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1773 lines (1715 loc) · 105 KB
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"""
Utils file for running NASH DDT AV analysis
"""
import pandas as pd
import numpy as np
from scipy import stats
from functools import reduce
import warnings
warnings.filterwarnings('ignore')
import pandas as pd
import numpy as np
import itertools
#from r_models import get_confintervals
from sklearn.utils import resample
#from av_cv_utils import AVSimulator, RepAgreement
import random
import pandas
import seaborn as sns
import matplotlib.pyplot as plt
from sklearn.metrics import cohen_kappa_score
from statsmodels.stats.inter_rater import cohens_kappa
import multiprocessing as mp
from functools import partial
from sklearn.metrics import confusion_matrix
import sys
sys.path.append("../../")
from r_models import get_confintervals
class AVPreprocess():
def __init__(self, na_list, cd_dict_m, sm_dict, special_slides, gt450_slides_df):
self.na_list = na_list
self.cd_dict_m = cd_dict_m
self.sm_dict = sm_dict
self.special_slides = special_slides
self.gt450_slides_df = gt450_slides_df
def _recode_na_cols(self, df, col):
for na_val in self.na_list:
df[col] = df[col].replace({na_val:np.nan})
return df
def get_gt_score(self, gs_df,gs_panel_df,deviation_df,manifest_df, param_key, drop_gt450_slides = True):
if param_key == "f":
stain_type = "Trichrome"
else:
stain_type = "H & E"
gs_panel_df = gs_panel_df[["slide ID", "Identifier", self.cd_dict_m[param_key]]].drop_duplicates()
gs_panel_df = gs_panel_df.dropna(subset = [self.cd_dict_m[param_key]])
gs_panel_df = self._recode_na_cols(gs_panel_df, self.cd_dict_m[param_key])
#print(len(gs_panel_df))
gs_df = gs_df.merge(manifest_df[["PathAI Subject ID", "slide ID", "stain"]].drop_duplicates(),
left_on = ["Identifier", "slide ID"],
right_on = ["PathAI Subject ID", "slide ID"],how = "inner")
gs_df = gs_df.loc[gs_df["stain"] == stain_type]
gs_df= gs_df[["slide ID","Identifier", "user_name","stain", self.cd_dict_m[param_key],
"NASH biopsy adequacy"]].drop_duplicates()
gs_df = gs_df.merge(deviation_df[["Identifier","Stain","analysis_type"]].drop_duplicates(),
left_on = ["Identifier","stain"],
right_on = ["Identifier","Stain"], how = "left")
#print(len(set(gs_df["slide ID"])))
all_slides = sorted(set(gs_df["slide ID"]))
panel_slides = sorted(set.intersection(set(all_slides), set(gs_panel_df["slide ID"])))
#print(len(panel_slides))
panel_slides_deviation_con = sorted(set(gs_df.loc[gs_df["analysis_type"] == "Consensus"]["slide ID"]))
panel_slides_deviation_maj = sorted(set(gs_df.loc[gs_df["analysis_type"] == "Majority"]["slide ID"]))
panel_slides = sorted(set(panel_slides) - set(panel_slides_deviation_maj))
#print(len(panel_slides))
panel_slides = sorted(set.union(set(panel_slides), set(panel_slides_deviation_con)))
if param_key in ["s", "i"]:
for r_slide in self.special_slides:
panel_slides.remove(r_slide)
#print(len(panel_slides))
nonpanel_slides = sorted(set(all_slides) - set(panel_slides))
#print(len(nonpanel_slides))
gt_score_df_panel = gs_panel_df.loc[gs_panel_df["slide ID"].isin(panel_slides)]
gt_score_df1 = gt_score_df_panel[["slide ID", self.cd_dict_m[param_key]]].drop_duplicates()
gt_score_df1["consensus_type"] = ["panel_consensus"] * len(gt_score_df1)
panel_adeq_list = []
for slide in list(gt_score_df1["slide ID"]):
g_df = gs_df.loc[gs_df["slide ID"] == slide]
adeq_list = list(g_df["NASH biopsy adequacy"])
a_score = stats.mode(adeq_list)[0][0]
panel_adeq_list.append(a_score)
gt_score_df1["NASH biopsy adequacy"] = panel_adeq_list
gs_df = gs_df.loc[gs_df["slide ID"].isin(nonpanel_slides)]
gs_df = self._recode_na_cols(gs_df, self.cd_dict_m[param_key])
gs_df[cd_dict_m[param_key]] = gs_df[cd_dict_m[param_key]].astype("float")
slide_list = sorted(set(gs_df["slide ID"]))
gt_score = []
for slide in slide_list:
g_df = gs_df.loc[gs_df["slide ID"] == slide]
score_arr = np.array(g_df[self.cd_dict_m[param_key]])
adeq_list = list(g_df["NASH biopsy adequacy"])
# if len(score_arr[np.isnan(score_arr)]) > 0:
# gt_score.append([slide, np.nan, np.nan, np.nan])
# else:
if len(score_arr) == 2:
if len(score_arr[np.isnan(score_arr)]) > 0:
g_score = np.nan
#gt_score.append([slide, np.nan, np.nan, np.nan])
else:
assert score_arr[0] == score_arr[1]
g_score = score_arr[0]
if adeq_list[0] == adeq_list[1] == "No":
gt_score.append([slide,g_score,"two_consensus","No"])
else:
gt_score.append([slide,g_score,"two_consensus", "Yes"])
else:
if len(score_arr[np.isnan(score_arr)]) > 1:
g_score = np.nan
#gt_score.append([slide, np.nan, np.nan, np.nan])
else:
assert len(score_arr) == 3
g_score = stats.mode(score_arr)[0][0]
a_score = stats.mode(adeq_list)[0][0]
gt_score.append([slide, g_score, "three_consensus", a_score])
gt_score_df2 = pd.DataFrame(gt_score)
gt_score_df2.columns = list(gt_score_df1)
gt_score_df_final = pd.concat([gt_score_df2,gt_score_df1])
gt_score_df_final= manifest_df[["PathAI Subject ID", "slide ID"]].drop_duplicates().merge(gt_score_df_final,
on = "slide ID", how = "inner")
if drop_gt450_slides:
gt450_slides_df = self.gt450_slides_df
gt450_slides = sorted(set(gt450_slides_df.loc[gt450_slides_df["Stain"] == stain_type]["Slide ID"]))
gt_score_df_final = gt_score_df_final.loc[~gt_score_df_final["slide ID"].isin(gt450_slides)]
gt_score_df_final = gt_score_df_final.rename(columns = {"slide ID": stain_type + " Slide"})
gt_score_df_final.loc[gt_score_df_final["NASH biopsy adequacy"] == "No", self.cd_dict_m[param_key]] = np.nan
return gt_score_df_final
def get_gt_scores_all_params(self,gs_df,gs_panel_df,deviation_df,manifest_df, drop_gt450_slides = True):
out_list = []
for param in list(["s", "b", "i"]):
o_df = self.get_gt_score(gs_df,gs_panel_df,deviation_df,manifest_df, param, drop_gt450_slides = drop_gt450_slides)
out_list.append(o_df)
he_df = reduce(lambda left,right: pd.merge(left,right,on=['PathAI Subject ID','H & E Slide'],
how='outer'), out_list)
he_df = he_df.rename(columns = {"consensus_type_x":"consensus_type_" + self.cd_dict_m["s"],
"consensus_type_y":"consensus_type_" + self.cd_dict_m["b"] ,
"consensus_type": "consensus_type_" + self.cd_dict_m["i"]})
tc_df = self.get_gt_score( gs_df,gs_panel_df,deviation_df,manifest_df, "f", drop_gt450_slides = drop_gt450_slides)
tc_df = tc_df.rename(columns = {"NASH biopsy adequacy": "NASH_biopsy_adequacy_" + self.cd_dict_m["f"]})
out_df = he_df.merge(tc_df, on = ["PathAI Subject ID"],how = "inner")
out_df = out_df.rename(columns = {"NASH biopsy adequacy_x":"NASH_biopsy_adequacy_" + self.cd_dict_m["s"],
"NASH biopsy adequacy_y":"NASH_biopsy_adequacy_" + self.cd_dict_m["b"] ,
"NASH biopsy adequacy": "NASH_biopsy_adequacy_" + self.cd_dict_m["i"]})
out_df= out_df.rename(columns = {"consensus_type": "consensus_type_" + self.cd_dict_m["f"]})
return out_df
def compare_sm_gs_table(self, np_df, sm_df, param_key):
if param_key == "f":
slide_col = "Trichrome Slide"
else:
slide_col = "H & E Slide"
sm_df = sm_df.loc[sm_df.use == "Yes"]
sm_df = sm_df[["slide_ID", "identifier", self.sm_dict[param_key], "param"]].drop_duplicates()
sm_df = sm_df.loc[sm_df.param == "Final Ground Truth"]
np_df = np_df[[slide_col, "PathAI Subject ID", self.cd_dict_m[param_key],
"consensus_type_" + self.cd_dict_m[param_key],
"NASH_biopsy_adequacy_" + self.cd_dict_m[param_key]]].drop_duplicates()
np_df[self.cd_dict_m[param_key]] = np_df[self.cd_dict_m[param_key]].astype("float")
merge_df = np_df.merge(sm_df, left_on = [slide_col, "PathAI Subject ID"],
right_on = ["slide_ID", "identifier"],how = "inner")
merge_df["diff_score_" + self.sm_dict[param_key]] = merge_df[self.cd_dict_m[param_key]] - merge_df[self.sm_dict[param_key]]
return merge_df
def process_ref_reads(self, ref_reads_in,drop_gt450_slides = True):
ref_reads_df = ref_reads_in.copy()
param_list = self.cd_dict_m.keys()
ref_reads_df["Identifier"] = ref_reads_df["Identifier"].str.rstrip(" ")
for param in param_list:
if param == "f":
ref_reads_df[self.cd_dict_m[param]] = ref_reads_df[self.cd_dict_m[param]].replace({'1a': 1, '1b': 1, '1c': 1})
ref_reads_df = self._recode_na_cols(ref_reads_df, self.cd_dict_m[param])
ref_reads_df[self.cd_dict_m[param]] = ref_reads_df[self.cd_dict_m[param]].astype("float")
if drop_gt450_slides:
drop_slides = sorted(set(self.gt450_slides_df["Slide ID"]))
ref_reads_df = ref_reads_df.loc[~ref_reads_df["slide ID"].isin(drop_slides)]
return ref_reads_df
# def recode_biopsy_cols(self, df, slide_col):
def compare_sm_ref_table(self, np_df, sm_df):
sm_slides = sorted(set(sm_df["slide_ID"]))
np_slides = sorted(set(np_df["slide ID"]))
assert len(sm_slides) == len(np_slides), "Inconsistent number of slides found"
assert len(set(sm_slides) - set(np_slides)) == 0, "Inconsistent set of slides found"
out_list = []
for param in list(self.cd_dict_m.keys()):
p_df_sm = sm_df[["slide_ID", "user_name", self.sm_dict[param]]].drop_duplicates()
p_df_np = np_df[["slide ID", "user_name", self.cd_dict_m[param]]].drop_duplicates()
merge_df_param = p_df_sm.merge(p_df_np, left_on = ["slide_ID", "user_name"], right_on = ["slide ID", "user_name"], how = "inner")
merge_df_param["diff_score_" + self.sm_dict[param]] = merge_df_param[self.cd_dict_m[param]] - merge_df_param[self.sm_dict[param]]
merge_df_param = merge_df_param.dropna(subset = [self.sm_dict[param], self.cd_dict_m[param]], how = "all")
out_list.append(merge_df_param)
return out_list
def _get_reproduce_rows(self, reproducibility_df, repeatability_df, accuracy_df):
reproducibility_df["Site"] = ["Site_" +str(1)]*len(reproducibility_df)
pai_ids= sorted(set(reproducibility_df.Participant))
a_participants = sorted(set.intersection(set(reproducibility_df.Participant), set(accuracy_df.Participant)))
r_participants = sorted(set.intersection(set(reproducibility_df.Participant), set(repeatability_df.Participant)))
repeatability_rows = []
accuracy_rows = []
for pai_id in r_participants:
r_row = repeatability_df.loc[repeatability_df.Participant == pai_id]
r_row = r_row.loc[r_row["Time Point"] == "Day 2"]
repeatability_rows.append(r_row)
for pai_id in a_participants:
accuracy_rows.append(accuracy_df.loc[accuracy_df.Participant == pai_id])
repeatability_rows = [r_row for r_row in repeatability_rows if len(r_row) > 0]
accuracy_rows = [a_row for a_row in accuracy_rows if len(a_row) > 0]
r_df = pd.concat(repeatability_rows)
a_df = pd.concat(accuracy_rows)
r_df["Site"] = ["Site_" +str(2)]*len(r_df)
a_df["Site"] = ["Site_" + str(3)]*len(a_df)
r_df = r_df[list(reproducibility_df)]
a_df = a_df[list(reproducibility_df)]
out_df = pd.concat([reproducibility_df, r_df, a_df])
grp_df = out_df[["Participant", "Site"]].groupby("Participant").count()
grp_df = grp_df.loc[grp_df.Site < 3]
non3_participants = list(grp_df.index)
out_df = out_df.loc[~out_df.Participant.isin(non3_participants)]
return out_df
class AVanalysis():
"""
This class is used for NASH DDT AV analysis.
Attributes:
cd_dict_m (dict): Dictionary of NASH components short forms and corresponding colnames in GT and Manual reads tables.
cd_dict_a (dict): Dictionary of NASH components short forms and corresponding colnames in AIM-NASH tables.
participant_col_name (str): Colname containing participant IDs in GT and Manual reads tables.
participant_col_name_aim (str): Colname containing participant IDs in AIM-NASH tables.
gs_df(pandas.core.frame.DataFrame): GT table containing ground truth scores from gold standard pathos.
manifest_df(pandas.core.frame.DataFrame): Manifest table containing all the metadata.
tp_dict(dict): Dictionary with timepoint values and keys to be used for analysis.
special_params(list): List of special parameters (NAS >= 4, F0+F1 and F4) to be used in results.
files_path(str): Local path to the files to be read in during the analysis.
exclude_participants(list): List of string participant ids to be excluded based on deviation log.
"""
def __init__(self,
cd_dict_m, cd_dict_a, participant_col_name, participant_col_name_aim,
gs_df, manifest_df, tp_dict, labels_dict, special_params,special_params_v2, files_path, exclude_participants):
self.cd_dict_m = cd_dict_m
self.cd_dict_a = cd_dict_a
self.participant_col_name= participant_col_name
self.participant_col_name_aim = participant_col_name_aim
self.gs_df = gs_df
self.manifest_df = manifest_df
self.tp_dict = tp_dict
self.labels_dict = labels_dict
self.special_params = special_params
self.files_path = files_path
self.exclude_participants = exclude_participants
self.special_params_v2 = special_params_v2
#self.expected_rr_length = expected_rr_length
def _rstrip_col(self,df, col_name):
"""
Function for striping blank spaces from a column name in a dataframe.
"""
df[col_name] = df[col_name].rstrip(" ")
return df
def _round_col(self,df, col_name, n_digits = 3):
"""
Function for rounding a given column of a dataframe to a set number of digits after the decimal point.
"""
df[col_name]= np.round(df[col_name],n_digits)
return df
def _distribution_table(self,df, gt= True):
"""
Get distribution table
"""
out_list = []
if gt:
cd_dict = self.cd_dict_m
participant_col = self.participant_col_name
else:
cd_dict = self.cd_dict_a
participant_col = self.participant_col_name_aim
for col_name in list(cd_dict.values()):
# df = df.dropna(subset = [col_name])
f_df = df[[participant_col, col_name]].groupby(col_name).count()
f_df = f_df.rename(columns = {participant_col: "Count"})
f_df["Total"] = f_df["Count"].sum()
f_df["Frequency"] = (f_df["Count"]/f_df["Total"]) * 100
f_df.insert(0, "Score", list(f_df.index))
f_df.insert(0,"Feature", [col_name] * len(f_df))
out_list.append(f_df)
return out_list
def get_distribution_table_score(self, df, gt = True):
# if df is None and gt == True:
# df = self.gs_df
# df = self.gs_df
out_df = pd.concat(self._distribution_table(df, gt = gt))
out_df = self._round_col(out_df, "Frequency")
return(out_df)
def get_slide_distribution_by_sponsor_score(self,sponsor_col,df,gt = True, extra_cols = []):
if gt:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", sponsor_col] + extra_cols].drop_duplicates(),
right_on = ["PathAI Subject ID"] + extra_cols,
left_on = [self.participant_col_name] + extra_cols,
how = "inner")
cd_dict = self.cd_dict_m
participant_col = self.participant_col_name
else:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", sponsor_col]+ extra_cols].drop_duplicates(),
right_on = ["PathAI Subject ID"] + extra_cols,
left_on = [self.participant_col_name_aim] + extra_cols,
how = "inner")
cd_dict = self.cd_dict_a
participant_col = self.participant_col_name_aim
out_list = []
for param in list(cd_dict.keys()):
param_df = in_df[[participant_col, cd_dict[param], sponsor_col]].drop_duplicates().dropna()
grp_df = param_df.groupby([cd_dict[param], sponsor_col]).count()
grp_df.insert(0,sponsor_col,[m_idx[1] for m_idx in list(grp_df.index)])
grp_df.insert(0,"Score",[m_idx[0] for m_idx in list(grp_df.index)])
grp_df["Score"] = grp_df["Score"].astype("int")
grp_df = grp_df.rename(columns = {participant_col:"Counts"})
grp_df = grp_df.reset_index(drop = True)
sum_df = pd.DataFrame()
n_cats = sorted(set(grp_df[sponsor_col]))
n_score = sorted(set(grp_df["Score"]))
sum_df = pd.DataFrame()
for idx,n_cat in list(enumerate(n_cats)):
# for idx, score in list(enumerate(n_score)):
sum_df.loc[idx, sponsor_col] = n_cat
sum_df.loc[idx, "total"] = grp_df.loc[grp_df[sponsor_col] == n_cat]["Counts"].sum()
grp_df = grp_df.merge(sum_df, on = sponsor_col, how = "inner")
grp_df["Percent"] = np.round(grp_df["Counts"]/grp_df["total"]*100,2)
grp_df.insert(0, "Parameter", [self.cd_dict_m[param]]*len(grp_df))
out_list.append(grp_df)
out_df = pd.concat(out_list)
return out_df
def _get_nas_sum_check(self,row, cd_dict,n_nas, n_sum ):
nas_params= [cd_dict[param] for param in ["s", "b", "i"]]
row_arr = row[nas_params].values.astype("float")
if len(row_arr[np.isnan(row_arr)]) > 0 :
out_val = np.nan
else:
if n_nas in row_arr and np.sum(row_arr) == n_sum:
out_val = 1
elif n_nas not in row_arr and np.sum(row_arr) == n_sum:
out_val = 2
else:
out_val= 0
return out_val
def get_distribution_table_nas(self, df, gt = True):
if gt:
cd_dict = self.cd_dict_m
participant_col = self.participant_col_name
else:
cd_dict = self.cd_dict_a
participant_col = self.participant_col_name_aim
nas_params = ["b", "s", "i"]
df["NAS_sum"] = df[[cd_dict[param] for param in nas_params]].sum(axis = 1)
df["NAS_sum_check_0_4"] = df.apply(self._get_nas_sum_check,args = (cd_dict,0, 4 ), axis = 1)
# df["NAS_sum_check_1_4"] = df.apply(self._get_nas_sum_check,args = (cd_dict,1, 4 ), axis = 1)
df["NAS_sum_check_0_5"] = df.apply(self._get_nas_sum_check,args = (cd_dict,0, 5), axis = 1)
df = df.dropna(subset = [cd_dict[param] for param in ["b", "s","i"]])
col_name = "NAS_sum"
f_df = df[[participant_col,col_name]].groupby(col_name).count()
f_df = f_df.rename(columns = {participant_col: "Count"})
f_df = f_df.drop([4,5])
f_df.loc["4; score of at least 0","Count"] = len(df.loc[df["NAS_sum_check_0_4"] == 1])
f_df.loc["NAS=4; score of at least 1","Count"] = len(df.loc[df["NAS_sum_check_0_4"] == 2])
f_df.loc["5; score of at least 0","Count"] = len(df.loc[df["NAS_sum_check_0_5"] == 1])
f_df.loc["5","Count"] = len(df.loc[df["NAS_sum_check_0_5"] == 2])
f_df["Total"] = f_df["Count"].sum()
f_df["Frequency"] = np.round((f_df["Count"]/f_df["Total"]) * 100, 2)
f_df.insert(0,"Feature", [col_name] * len(f_df))
f_df.insert(0, "Score", list(f_df.index))
# out_list.append(f_df)
return f_df.reset_index(drop = True)
def get_distribution_table_nas_by_sponsor(self,sponsor_col,df, gt = True, extra_cols = []):
if gt:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", sponsor_col] + extra_cols].drop_duplicates(),
right_on = ["PathAI Subject ID"] + extra_cols,
left_on = [self.participant_col_name] + extra_cols,
how = "inner")
cd_dict = self.cd_dict_m
participant_col = self.participant_col_name
else:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", sponsor_col] + extra_cols].drop_duplicates(),
right_on = ["PathAI Subject ID"] + extra_cols,
left_on = [self.participant_col_name_aim] + extra_cols,
how = "inner")
cd_dict = self.cd_dict_a
participant_col = self.participant_col_name_aim
out_list = []
for sponsor in sorted(set(in_df[sponsor_col])):
s_df = in_df.loc[in_df[sponsor_col] == sponsor]
s_df_count = self.get_distribution_table_nas(df = s_df, gt = gt)
s_df_count.insert(0, sponsor_col, [sponsor]*len(s_df_count))
out_list.append(s_df_count)
out_df = pd.concat(out_list)
return out_df
def get_slide_distribution_by_sponsor(self, sponsor_col,df, gt = True):
if gt:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", sponsor_col]].drop_duplicates(),
right_on = ["PathAI Subject ID"], left_on = [self.participant_col_name],
how = "inner")
else:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", sponsor_col]].drop_duplicates(),
right_on = ["PathAI Subject ID"], left_on = [self.participant_col_name_aim],
how = "inner")
freq_df = pd.DataFrame(in_df[sponsor_col].value_counts())
freq_df = freq_df.rename(columns = {sponsor_col: "Counts"})
freq_df["Total"] = [freq_df["Counts"].sum()] * len(freq_df)
freq_df.insert(0, sponsor_col, list(freq_df.index))
freq_df["Percent"] = np.round(freq_df["Counts"]/freq_df["Total"]*100,2)
freq_df = freq_df.reset_index(drop = True)
return freq_df
def get_slide_distribution_by_timepoint(self, time_col, df, gt = True):
if gt:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", time_col]].drop_duplicates(),
right_on = ["PathAI Subject ID"], left_on = [self.participant_col_name],
how = "inner")
else:
in_df = df.merge(self.manifest_df[["PathAI Subject ID", time_col]].drop_duplicates(),
left_on = ["PathAI Subject ID"], right_on = [self.participant_col_name_aim],
how = "inner")
tp_df1 = in_df.copy()
tp_df2 = in_df.copy()
tp_dict = self.tp_dict
for tp in list(tp_dict.keys()):
for tp_val in list(tp_dict[tp]):
tp_df1[time_col] = tp_df1[time_col].replace({tp_val:tp})
for tp_val in tp_dict["Baseline"]:
tp_df2[time_col] = tp_df2[time_col].replace({tp_val:"Baseline"})
out_list = []
for df in [tp_df1, tp_df2]:
freq_df = pd.DataFrame(df[time_col].value_counts())
freq_df = freq_df.rename(columns = {time_col: "Counts"})
freq_df["Total"] = [freq_df["Counts"].sum()] * len(freq_df)
freq_df.insert(0, time_col, list(freq_df.index))
freq_df["Percent"] = np.round(freq_df["Counts"]/freq_df["Total"]*100,2)
freq_df = freq_df.reset_index(drop = True)
out_list.append(freq_df)
return out_list
def get_per_scanner_distribution(self, df,gt = False):
manifest_df = self.manifest_df
if gt:
participant_col_name = self.participant_col_name
else:
participant_col_name = self.participant_col_name_aim
in_df = df.merge(manifest_df[["PathAI Subject ID", "Scanner"]].drop_duplicates(),
right_on = ["PathAI Subject ID"], left_on = [participant_col_name],
how = "inner")
out_list = []
out_list_sponsor = []
for scanner in sorted(set(in_df["Scanner"])):
s_df = in_df.loc[in_df.Scanner == scanner]
scr_df = self.get_distribution_table_score(s_df, gt = gt)
scr_df_nas = self.get_distribution_table_nas(s_df, gt = gt)
scr_df_sponsor = self.get_slide_distribution_by_sponsor_score("dataset",df = s_df, gt = gt, extra_cols = ["Scanner"])
scr_df_nas_sponsor = self.get_distribution_table_nas_by_sponsor( "dataset",df = s_df,gt = gt, extra_cols = ["Scanner"])
if not gt:
replace_dict= {}
for param, value in self.cd_dict_a.items():
replace_dict[value] = self.cd_dict_m[param]
scr_df["Feature"] = scr_df["Feature"].replace(replace_dict)
scr_df_nas = scr_df_nas[list(scr_df)]
scr_df_sponsor = scr_df_sponsor.rename(columns = {"Parameter":"Feature",
"total":"Total", "Counts":"Count",
"Percent":"Frequency"})
scr_df_nas_sponsor = scr_df_nas_sponsor[list(scr_df_sponsor)]
scanner_df_sponsor = pd.concat([scr_df_sponsor, scr_df_nas_sponsor])
scanner_df_sponsor.insert(0, "Scanner", [scanner]*len(scanner_df_sponsor))
scanner_df = pd.concat([scr_df, scr_df_nas])
scanner_df.insert(0, "Scanner", [scanner]*len(scanner_df))
out_list.append(scanner_df)
out_list_sponsor.append(scanner_df_sponsor)
# out_list_sponsor.append([scr_df_sponsor, scr_df_nas_sponsor])
# return out_list_sponsor
# return in_df
return pd.concat(out_list), pd.concat(out_list_sponsor)
def get_rr_slide_distribution(self, df, cat):
cd_dict = self.cd_dict_a
out_list = []
participant_col = self.participant_col_name_aim
if cat == "Site":
df[cat] = df[cat].replace({"Site_1":"Reproducibility", "Site_2":"Repeatability", "Site_3":"Accuracy"})
for param in list(cd_dict.keys()):
param_df =df.copy()
participants_to_drop = list(self.gs_df[self.gs_df["NASH_biopsy_adequacy_" + self.cd_dict_m[param]] == "No"][self.participant_col_name])
if cat == "Site":
participants_to_drop = participants_to_drop + self.exclude_participants
if param == "f":
slide_col = "Trichrome Slide"
else:
slide_col = "H&E Slide"
param_df = param_df.loc[param_df[self.participant_col_name_aim].isin(self.manifest_df["PathAI Subject ID"])]
param_df = param_df.loc[~param_df[self.participant_col_name_aim].isin(participants_to_drop)]
param_df = param_df[[participant_col, cd_dict[param], cat]].drop_duplicates().dropna()
grp_df = param_df.groupby([cd_dict[param], cat]).count()
grp_df.insert(0,cat,[m_idx[1] for m_idx in list(grp_df.index)])
grp_df.insert(0,"Score",[m_idx[0] for m_idx in list(grp_df.index)])
grp_df = grp_df.rename(columns = {participant_col:"Counts"})
grp_df = grp_df.reset_index(drop = True)
sum_df = pd.DataFrame()
n_cats = sorted(set(grp_df[cat]))
n_score = sorted(set(grp_df["Score"]))
sum_df = pd.DataFrame()
for idx,n_cat in list(enumerate(n_cats)):
# for idx, score in list(enumerate(n_score)):
sum_df.loc[idx, cat] = n_cat
sum_df.loc[idx, "total"] = grp_df.loc[grp_df[cat] == n_cat]["Counts"].sum()
grp_df = grp_df.merge(sum_df, on = cat, how = "inner")
grp_df["Percent"] = np.round(grp_df["Counts"]/grp_df["total"]*100,2)
grp_df.insert(0, "Parameter", [self.cd_dict_m[param]]*len(grp_df))
out_list.append(grp_df)
out_df = pd.concat(out_list)
return out_df
def _recode_cols(self, df, col, labels_list, alt_val = 9):
for label in labels_list:
df[col] = df[col].replace({label:alt_val})
return df
def get_bootstrap_samples_itr(self, input_df,metric,sample_col, drop_cols, itr):
if metric in ["accuracy_aim", "accuracy_aim_pp"]:
b_df = input_df.sample(len(input_df), replace = True)
else:
sample_list = sorted(set(input_df[sample_col]))
b_samples = random.choices(sample_list, k= len(sample_list))
b_df = pd.concat([input_df.loc[input_df[sample_col] == b] for b in b_samples])
b_df.insert(0, "Iteration", itr)
b_df = b_df.drop(drop_cols, axis = 1)
return b_df
def get_bootstrap_samples_df(self,input_df, metric, sample_col,drop_cols, n_iterations = 2000, write = True,
set_seed = True):
if set_seed:
random.seed(1234)
partial_func_bootstrap = partial(self.get_bootstrap_samples_itr, input_df, metric, sample_col,drop_cols)
pool = mp.Pool()
itr_list = list(range(n_iterations))
b_list = list(pool.map(partial_func_bootstrap, itr_list))
del(pool)
out_df = pd.concat(b_list)
if write:
out_df.to_csv(self.files_path + "NASH_DDT_AV_production_data_bootstrap_" + metric + "_030523.csv", index = False)
else:
return out_df
def _get_kappa(self, arr1,arr2, labels, weights = "linear"):
kappa = cohen_kappa_score(arr1, arr2,labels, weights= weights)
return kappa
def _get_p_proportion(self, in_list, endpoint = "Accuracy"):
if endpoint == "Accuracy":
out_p = len(np.where(np.array(in_list) < -0.1)[0])/len(in_list)
else:
out_p= len(np.where(np.array(in_list) <= 0.85)[0])/len(in_list)
return out_p
def get_accuracy_kappa(self, df, param_key, method = "AIM", drop_duplicates = True, per_score = False):
if method == "AIM":
if drop_duplicates:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a[param_key]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key]]].drop_duplicates()
else:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a[param_key]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key]]]
merge_df = a_df.merge(g_df, left_on = self.participant_col_name_aim,right_on = self.participant_col_name, how = "inner")
merge_df = merge_df.dropna()
if per_score:
labels_list = self.labels_dict[param_key]
o_list = []
for score in labels_list:
alt_labels = sorted(set(labels_list) - set([score]))
m_df = merge_df.copy()
m_df = self._recode_cols(m_df, self.cd_dict_a[param_key], alt_labels)
m_df = self._recode_cols(m_df, self.cd_dict_m[param_key], alt_labels)
kappa_p = self._get_kappa(m_df[self.cd_dict_a[param_key]], m_df[self.cd_dict_m[param_key]],None, weights = None)
num_score = len(m_df.loc[np.logical_and(m_df[self.cd_dict_a[param_key]] == score,
m_df[self.cd_dict_m[param_key]] == score)])
o_list.append([score, np.round(kappa_p,6),num_score])
else:
kappa_p = self._get_kappa(merge_df[self.cd_dict_a[param_key]], merge_df[self.cd_dict_m[param_key]],
self.labels_dict[param_key],weights = "linear")
n_samples = len(merge_df)
o_list = [np.round(kappa_p,6), n_samples]
else:
if param_key == "f":
gs_slide_col = "Trichrome Slide"
else:
gs_slide_col = "H & E Slide"
if drop_duplicates:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m[param_key]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key], gs_slide_col]].drop_duplicates()
else:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m[param_key]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key], gs_slide_col]]
merge_df = m_df.merge(g_df, left_on = [self.participant_col_name, "slide ID"],
right_on = [self.participant_col_name,gs_slide_col],
how = "inner")
merge_df = merge_df.dropna()
patho_list = sorted(set(merge_df.user_name))
if per_score:
o_list = []
labels_list = self.labels_dict[param_key]
for score in labels_list:
kappa_list = []
alt_labels = sorted(set(labels_list) - set([score]))
m_df1 = merge_df.copy()
n_score = len(set(m_df1.loc[np.logical_and(m_df1[self.cd_dict_m[param_key]+"_x"] == score,
m_df1[self.cd_dict_m[param_key]+"_y"] == score)][self.participant_col_name]))
m_df1 = self._recode_cols(m_df1, self.cd_dict_m[param_key]+ "_x", alt_labels)
m_df1 = self._recode_cols(m_df1, self.cd_dict_m[param_key]+ "_y", alt_labels)
for patho in patho_list:
p_df = m_df1.loc[m_df1.user_name == patho]
if drop_duplicates:
p_df = p_df.drop_duplicates()
kappa_p = self._get_kappa(p_df[self.cd_dict_m[param_key]+"_x"], p_df[self.cd_dict_m[param_key]+"_y"],None,
weights = None)
kappa_list.append(kappa_p)
kappa_list = [k for k in kappa_list if not np.isnan(k)]
kappa_p = np.mean(kappa_list)
o_list.append([score, np.round(kappa_p,6),n_score])
else:
kappa_list = []
for patho in patho_list:
p_df = merge_df.loc[merge_df.user_name == patho]
if drop_duplicates:
p_df = p_df.drop_duplicates()
kappa_list.append(self._get_kappa(p_df[self.cd_dict_m[param_key]+"_x"], p_df[self.cd_dict_m[param_key]+"_y"],
self.labels_dict[param_key],weights = "linear"))
kappa_list = [k for k in kappa_list if not np.isnan(k)]
kappa_p = np.mean(kappa_list)
n_samples = len(set(merge_df[self.participant_col_name]))
o_list = [np.round(kappa_p,6), n_samples]
return o_list
def get_f0_f1_accuracy_kappa(self, df,l1 = [0,1], method = "AIM", drop_duplicates = True):
param_key = "f"
labels_list = self.labels_dict[param_key]
l2 = sorted(set(labels_list) - set(l1))
if method == "AIM":
if drop_duplicates:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a[param_key]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key]]].drop_duplicates()
else:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a[param_key]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key]]]
merge_df = a_df.merge(g_df, left_on = self.participant_col_name_aim,right_on = self.participant_col_name, how = "inner")
merge_df = merge_df.dropna()
labels_list = self.labels_dict[param_key]
m_df = merge_df.copy()
m_df = self._recode_cols(m_df, self.cd_dict_a[param_key], l1, 8)
m_df = self._recode_cols(m_df, self.cd_dict_a[param_key], l2, 9)
m_df = self._recode_cols(m_df, self.cd_dict_m[param_key], l1, 8)
m_df = self._recode_cols(m_df, self.cd_dict_m[param_key], l2, 9)
kappa_p = self._get_kappa(m_df[self.cd_dict_a[param_key]], m_df[self.cd_dict_m[param_key]],None, weights = None)
num_score = len(m_df)
else:
gs_slide_col = "Trichrome Slide"
if drop_duplicates:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m[param_key]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key], gs_slide_col]].drop_duplicates()
else:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m[param_key]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m[param_key], gs_slide_col]]
merge_df = m_df.merge(g_df, left_on = [self.participant_col_name, "slide ID"],
right_on = [self.participant_col_name,gs_slide_col],
how = "inner")
merge_df = merge_df.dropna()
patho_list = sorted(set(merge_df.user_name))
alt_labels = sorted(set(labels_list) - set([0,1]))
kappa_list = []
merge_df = self._recode_cols(merge_df, self.cd_dict_m[param_key]+ "_x", l1,8)
merge_df = self._recode_cols(merge_df, self.cd_dict_m[param_key]+ "_y", l1,8)
merge_df = self._recode_cols(merge_df, self.cd_dict_m[param_key]+ "_x", l2, 9)
merge_df = self._recode_cols(merge_df, self.cd_dict_m[param_key]+ "_y", l2, 9)
for patho in patho_list:
p_df = merge_df.loc[merge_df.user_name == patho]
if drop_duplicates:
p_df = p_df.drop_duplicates()
kappa_p = self._get_kappa(p_df[self.cd_dict_m[param_key]+"_x"], p_df[self.cd_dict_m[param_key]+"_y"],None,
weights = None)
kappa_list.append(kappa_p)
kappa_list = [k for k in kappa_list if not np.isnan(k)]
kappa_p = np.mean(kappa_list)
num_score = len(set(merge_df[self.participant_col_name]))
return ["f0_f1", np.round(kappa_p,6),num_score]
def _get_nas_1(self,row, cd_dict, col_name):
nas_params= [cd_dict[param] for param in ["s", "b", "i"]]
row_arr = row[nas_params].values.astype("float")
if len(row_arr[np.isnan(row_arr)]) > 0 :
out_val = np.nan
elif 0 in row_arr or row[col_name] < 4:
out_val = 0
else:
out_val = 1
return out_val
def _get_nash_res(self,row, cd_dict, col_name):
nas_params= [cd_dict[param] for param in ["s", "b", "i"]]
row_arr = row[nas_params].values.astype("float")
if len(row_arr[np.isnan(row_arr)]) > 0 :
out_val = np.nan
elif row[cd_dict["b"]] == 0 and row[cd_dict["i"]] < 2:
out_val = 1
else:
out_val = 0
return out_val
def get_nas_kappa(self, df, method = "AIM", drop_duplicates = True, refactor = True):
if refactor:
l1 = list(range(4))
l2 = list(range(4,9))
if method == "AIM":
if drop_duplicates:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a["s"], self.cd_dict_a["b"],
self.cd_dict_a["i"]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"],
self.cd_dict_m["i"]]].drop_duplicates()
else:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a["s"], self.cd_dict_a["b"],
self.cd_dict_a["i"]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"],
self.cd_dict_m["i"]]]
merge_df = a_df.merge(g_df, left_on = self.participant_col_name_aim,right_on = self.participant_col_name, how = "inner")
merge_df = merge_df.dropna()
merge_df["NAS_AIM"] = merge_df[self.cd_dict_a["s"]] + merge_df[self.cd_dict_a["b"]] + merge_df[self.cd_dict_a["i"]]
merge_df["NAS_GT"] = merge_df[self.cd_dict_m["s"]] + merge_df[self.cd_dict_m["b"]] + merge_df[self.cd_dict_m["i"]]
m_df = merge_df.copy()
if refactor:
m_df = self._recode_cols(m_df, "NAS_AIM", l1,10)
m_df = self._recode_cols(m_df, "NAS_GT", l1, 10)
m_df = self._recode_cols(m_df, "NAS_AIM", l2, 11)
m_df = self._recode_cols(m_df, "NAS_GT", l2, 11)
kappa_p = self._get_kappa(m_df["NAS_AIM"], m_df["NAS_GT"],None, weights = None)
else:
kappa_p = self._get_kappa(m_df["NAS_AIM"], m_df["NAS_GT"],list(range(9)))
num_score = len(m_df)
else:
gs_slide_col = "H & E Slide"
if drop_duplicates:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"], gs_slide_col]].drop_duplicates()
else:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"], gs_slide_col]]
merge_df = m_df.merge(g_df, left_on = [self.participant_col_name, "slide ID"],
right_on = [self.participant_col_name,gs_slide_col],
how = "inner")
merge_df = merge_df.dropna()
merge_df["NAS_M"] = merge_df[self.cd_dict_m["s"] + "_x"] + merge_df[self.cd_dict_m["b"] + "_x"] + merge_df[self.cd_dict_m["i"] + "_x"]
merge_df["NAS_GT"] = merge_df[self.cd_dict_m["s"] + "_y"] + merge_df[self.cd_dict_m["b"] + "_y"] + merge_df[self.cd_dict_m["i"] + "_y"]
patho_list = sorted(set(merge_df.user_name))
kappa_list = []
if refactor:
merge_df = self._recode_cols(merge_df, "NAS_M", l1,10)
merge_df = self._recode_cols(merge_df, "NAS_GT",l1, 10)
merge_df = self._recode_cols(merge_df, "NAS_M", l2, 11)
merge_df = self._recode_cols(merge_df, "NAS_GT", l2, 11)
for patho in patho_list:
p_df = merge_df.loc[merge_df.user_name == patho]
if drop_duplicates:
p_df = p_df.drop_duplicates()
if refactor:
kappa_p = self._get_kappa(p_df["NAS_M"], p_df["NAS_GT"],None,
weights = None)
else:
kappa_p = self._get_kappa(p_df["NAS_M"], p_df["NAS_GT"],list(range(9)))
kappa_list.append(kappa_p)
kappa_list = [k for k in kappa_list if not np.isnan(k)]
kappa_p = np.mean(kappa_list)
num_score = len(set(merge_df[self.participant_col_name]))
# if refactor:
return ["NAS_4", np.round(kappa_p,6), num_score]
def get_nas_kappa_v2(self, df, method = "AIM", drop_duplicates = True):
l1 = list(range(4))
l2 = list(range(4,9))
if method == "AIM":
if drop_duplicates:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a["s"], self.cd_dict_a["b"],
self.cd_dict_a["i"]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"],
self.cd_dict_m["i"]]].drop_duplicates()
else:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a["s"], self.cd_dict_a["b"],
self.cd_dict_a["i"]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"],
self.cd_dict_m["i"]]]
merge_df = a_df.merge(g_df, left_on = self.participant_col_name_aim,right_on = self.participant_col_name, how = "inner")
merge_df = merge_df.dropna()
merge_df["NAS_AIM"] = merge_df[self.cd_dict_a["s"]] + merge_df[self.cd_dict_a["b"]] + merge_df[self.cd_dict_a["i"]]
merge_df["NAS_GT"] = merge_df[self.cd_dict_m["s"]] + merge_df[self.cd_dict_m["b"]] + merge_df[self.cd_dict_m["i"]]
m_df = merge_df.copy()
m_df["NASH_res_AIM"] = m_df.apply(self._get_nas_1, args = (self.cd_dict_a, "NAS_AIM"), axis =1)
m_df["NASH_res_GT"] = m_df.apply(self._get_nas_1, args = (self.cd_dict_m, "NAS_GT"), axis= 1)
kappa_p = self._get_kappa(m_df["NASH_res_AIM"], m_df["NASH_res_GT"],None, weights = None)
num_score = len(m_df)
else:
gs_slide_col = "H & E Slide"
if drop_duplicates:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"], gs_slide_col]].drop_duplicates()
else:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"], gs_slide_col]]
merge_df = m_df.merge(g_df, left_on = [self.participant_col_name, "slide ID"],
right_on = [self.participant_col_name,gs_slide_col],
how = "inner")
merge_df = merge_df.dropna()
merge_df["NAS_M"] = merge_df[self.cd_dict_m["s"] + "_x"] + merge_df[self.cd_dict_m["b"] + "_x"] + merge_df[self.cd_dict_m["i"] + "_x"]
merge_df["NAS_GT"] = merge_df[self.cd_dict_m["s"] + "_y"] + merge_df[self.cd_dict_m["b"] + "_y"] + merge_df[self.cd_dict_m["i"] + "_y"]
patho_list = sorted(set(merge_df.user_name))
kappa_list = []
dict1 = {}
dict2 = {}
for param in list(self.cd_dict_m.keys()):
dict1[param] = self.cd_dict_m[param] + "_x"
dict2[param] = self.cd_dict_m[param] + "_y"
merge_df["NASH_res_M"] = merge_df.apply(self._get_nas_1, args = (dict1, "NAS_M"), axis =1)
merge_df["NASH_res_GT"] = merge_df.apply(self._get_nas_1, args = (dict2, "NAS_GT"), axis= 1)
for patho in patho_list:
p_df = merge_df.loc[merge_df.user_name == patho]
if drop_duplicates:
p_df = p_df.drop_duplicates()
kappa_p = self._get_kappa(p_df["NASH_res_M"], p_df["NASH_res_GT"],None,
weights = None)
kappa_list.append(kappa_p)
kappa_list = [k for k in kappa_list if not np.isnan(k)]
kappa_p = np.mean(kappa_list)
num_score = len(set(merge_df[self.participant_col_name]))
return ["NAS_4", np.round(kappa_p,6), num_score]
def get_nash_res_kappa(self, df, method = "AIM", drop_duplicates = True):
if method == "AIM":
if drop_duplicates:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a["s"], self.cd_dict_a["b"],
self.cd_dict_a["i"]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"],
self.cd_dict_m["i"]]].drop_duplicates()
else:
a_df = df[[self.participant_col_name_aim, self.cd_dict_a["s"], self.cd_dict_a["b"],
self.cd_dict_a["i"]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"],
self.cd_dict_m["i"]]]
merge_df = a_df.merge(g_df, left_on = self.participant_col_name_aim,right_on = self.participant_col_name, how = "inner")
merge_df = merge_df.dropna()
merge_df["NAS_AIM"] = merge_df[self.cd_dict_a["s"]] + merge_df[self.cd_dict_a["b"]] + merge_df[self.cd_dict_a["i"]]
merge_df["NAS_GT"] = merge_df[self.cd_dict_m["s"]] + merge_df[self.cd_dict_m["b"]] + merge_df[self.cd_dict_m["i"]]
m_df = merge_df.copy()
m_df["NASH_res_AIM"] = m_df.apply(self._get_nash_res, args = (self.cd_dict_a, "NAS_AIM"), axis =1)
m_df["NASH_res_GT"] = m_df.apply(self._get_nash_res, args = (self.cd_dict_m, "NAS_GT"), axis= 1)
kappa_p = self._get_kappa(m_df["NASH_res_AIM"], m_df["NASH_res_GT"],None, weights = None)
num_score = len(m_df)
else:
gs_slide_col = "H & E Slide"
if drop_duplicates:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"]]].drop_duplicates()
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"], gs_slide_col]].drop_duplicates()
else:
m_df = df[[self.participant_col_name,"user_name", "slide ID",self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"]]]
g_df = self.gs_df[[self.participant_col_name, self.cd_dict_m["s"],self.cd_dict_m["b"], self.cd_dict_m["i"], gs_slide_col]]
merge_df = m_df.merge(g_df, left_on = [self.participant_col_name, "slide ID"],
right_on = [self.participant_col_name,gs_slide_col],
how = "inner")
merge_df = merge_df.dropna()
merge_df["NAS_M"] = merge_df[self.cd_dict_m["s"] + "_x"] + merge_df[self.cd_dict_m["b"] + "_x"] + merge_df[self.cd_dict_m["i"] + "_x"]
merge_df["NAS_GT"] = merge_df[self.cd_dict_m["s"] + "_y"] + merge_df[self.cd_dict_m["b"] + "_y"] + merge_df[self.cd_dict_m["i"] + "_y"]
patho_list = sorted(set(merge_df.user_name))
kappa_list = []
dict1 = {}
dict2 = {}
for param in list(self.cd_dict_m.keys()):
dict1[param] = self.cd_dict_m[param] + "_x"
dict2[param] = self.cd_dict_m[param] + "_y"
merge_df["NASH_res_M"] = merge_df.apply(self._get_nash_res, args = (dict1, "NAS_M"), axis =1)
merge_df["NASH_res_GT"] = merge_df.apply(self._get_nash_res, args = (dict2, "NAS_GT"), axis= 1)
for patho in patho_list:
p_df = merge_df.loc[merge_df.user_name == patho]
if drop_duplicates:
p_df = p_df.drop_duplicates()
kappa_p = self._get_kappa(p_df["NASH_res_M"], p_df["NASH_res_GT"],None,
weights = None)
kappa_list.append(kappa_p)
kappa_list = [k for k in kappa_list if not np.isnan(k)]
kappa_p = np.mean(kappa_list)
num_score = len(set(merge_df[self.participant_col_name]))
return ["NAS_4", np.round(kappa_p,6), num_score]
def get_accuracy_df(self, accuracy_df, manual_df, drop_duplicates = True, per_score = False):
param_list = sorted(self.cd_dict_m.keys())
out_list = []
for param in param_list:
if per_score:
a_list = self.get_accuracy_kappa(accuracy_df, param, method = "AIM", drop_duplicates = drop_duplicates, per_score = True)
m_list = self.get_accuracy_kappa(manual_df, param, method = "Manual", drop_duplicates = drop_duplicates, per_score = True)
labels_list = self.labels_dict[param]
kappa_list = list(itertools.chain.from_iterable([[a_list[i][1],m_list[i][1]] for i in range(len(a_list))]))
score_list = list(itertools.chain.from_iterable([[i] * 2 for i in labels_list]))
num_list = list(itertools.chain.from_iterable([[a_list[i][2],m_list[i][2]] for i in range(len(a_list))]))
diff_list = list(itertools.chain.from_iterable([[a_list[i][1] - m_list[i][1]]*2 for i in range(len(a_list))]))
param_df = pd.DataFrame({"Parameter": [self.cd_dict_m[param]]* int(len(a_list) *2),
"Method": ["AIM-NASH", "Manual pathologists"] * len(a_list),
"Score": score_list,
"Kappa": kappa_list,
"Difference": diff_list,
"N": num_list})
else:
a_list = self.get_accuracy_kappa(accuracy_df, param, method = "AIM", drop_duplicates = drop_duplicates)
m_list = self.get_accuracy_kappa(manual_df, param, method = "Manual", drop_duplicates = drop_duplicates)
param_df = pd.DataFrame({"Parameter":[self.cd_dict_m[param]]*2,
"Method": ["AIM-NASH", "Manual pathologists"],
"Kappa": [a_list[0], m_list[0]],
"Difference": [a_list[0] - m_list[0], np.nan],
"N": [a_list[1], m_list[1]]})
out_list.append(param_df)
out_df = pd.concat(out_list)
return out_df
def get_accuracy_df_special(self, accuracy_df, manual_df, drop_duplicates = True):
special_params = self.special_params
a_list_f0_f1 = self.get_f0_f1_accuracy_kappa(accuracy_df, method = "AIM", drop_duplicates = drop_duplicates)
m_list_f0_f1 = self.get_f0_f1_accuracy_kappa(manual_df, method = "Manual", drop_duplicates = drop_duplicates)
a_list_nas_4 = self.get_nas_kappa(accuracy_df, method = "AIM", drop_duplicates = drop_duplicates)
m_list_nas_4 = self.get_nas_kappa(manual_df, method = "Manual", drop_duplicates = drop_duplicates)
p_list = list(itertools.chain.from_iterable([[special_params[0]]*2, [special_params[1]]*2]))
d_list = list(itertools.chain.from_iterable([[a_list_f0_f1[1] - m_list_f0_f1[1]]*2, [a_list_nas_4[1] - m_list_nas_4[1]]* 2]))
out_df = pd.DataFrame({"Parameter": p_list,"Method": ["AIM-NASH", "Manual pathologists"] * 2, "Kappa":[a_list_f0_f1[1], m_list_f0_f1[1], a_list_nas_4[1], m_list_nas_4[1]],
"Difference": d_list, "N": [a_list_f0_f1[2], m_list_f0_f1[2], a_list_nas_4[2], m_list_nas_4[2]]})
return out_df
def get_accuracy_df_special_v2(self, accuracy_df, manual_df, drop_duplicates = True):
special_params = self.special_params_v2
a_list_f2_f3 = self.get_f0_f1_accuracy_kappa(accuracy_df,l1 = [2,3], method = "AIM", drop_duplicates = drop_duplicates)
m_list_f2_f3 = self.get_f0_f1_accuracy_kappa(manual_df,l1 = [2,3], method = "Manual", drop_duplicates = drop_duplicates)
a_list_nas_4 = self.get_nas_kappa_v2(accuracy_df, method = "AIM", drop_duplicates = drop_duplicates)
m_list_nas_4 = self.get_nas_kappa_v2(manual_df, method = "Manual", drop_duplicates = drop_duplicates)
a_list_nash_res = self.get_nash_res_kappa(accuracy_df, method = "AIM", drop_duplicates = drop_duplicates)
m_list_nash_res = self.get_nash_res_kappa(manual_df, method = "Manual", drop_duplicates = drop_duplicates)
p_list = list(itertools.chain.from_iterable([[special_params[0]]*2, [special_params[1]]*2, [special_params[2]]*2]))
d_list = list(itertools.chain.from_iterable([[a_list_f2_f3[1] - m_list_f2_f3[1]]*2, [a_list_nas_4[1] - m_list_nas_4[1]]* 2,
[a_list_nash_res[1] - m_list_nash_res[1]]*2]))
out_df = pd.DataFrame({"Parameter": p_list,"Method": ["AIM-NASH", "Manual pathologists"] * 3,
"Kappa":[a_list_f2_f3[1], m_list_f2_f3[1], a_list_nas_4[1], m_list_nas_4[1],a_list_nash_res[1], m_list_nash_res[1]],
"Difference": d_list, "N": [a_list_f2_f3[2], m_list_f2_f3[2], a_list_nas_4[2], m_list_nas_4[2],
a_list_nash_res[2],m_list_nash_res[2]]})
return out_df
def get_accuracy_df_nas(self, accuracy_df, manual_df, drop_duplicates = True):
a_list_nas = self.get_nas_kappa(accuracy_df, method = "AIM", drop_duplicates = drop_duplicates, refactor = False)
m_list_nas = self.get_nas_kappa(manual_df, method = "Manual", drop_duplicates = drop_duplicates,refactor = False)
p_list = ["NAS"]*2
d_list = [a_list_nas[1] - m_list_nas[1]]*2
out_df = pd.DataFrame({"Parameter": p_list,"Method": ["AIM-NASH", "Manual pathologists"],
"Kappa":[a_list_nas[1],m_list_nas[1]],
"Difference": d_list, "N":[a_list_nas[2],m_list_nas[2]]})
return out_df
def get_accuracy_df_iteration(self, accuracy_df_bootstrap, manual_df_bootstrap,analysis_type,itr):
iteration_accuracy_df = accuracy_df_bootstrap.loc[accuracy_df_bootstrap.Iteration == itr]
iteration_manual_df = manual_df_bootstrap.loc[manual_df_bootstrap.Iteration == itr]
if analysis_type == "all":
out_df = self.get_accuracy_df(iteration_accuracy_df, iteration_manual_df, drop_duplicates = False)
elif analysis_type == "per_sponsor":
out_df = self.get_per_sponsor_accuracy(iteration_accuracy_df, iteration_manual_df, drop_duplicates = False)
elif analysis_type == "per_timepoint":
out_df = self.get_per_timepoint_accuracy(iteration_accuracy_df, iteration_manual_df, drop_duplicates = False)
elif analysis_type == "per_score":
out_df = self.get_accuracy_df(iteration_accuracy_df, iteration_manual_df,drop_duplicates = False,per_score = True)
elif analysis_type == "special_v2":
out_df = self.get_accuracy_df_special_v2(iteration_accuracy_df, iteration_manual_df,drop_duplicates = False)
elif analysis_type == "nas":
out_df = self.get_accuracy_df_nas(iteration_accuracy_df, iteration_manual_df,drop_duplicates = False)
else:
out_df = self.get_accuracy_df_special(iteration_accuracy_df, iteration_manual_df,drop_duplicates = False)
out_df.insert(0, "Iteration", [itr] * len(out_df))
return out_df
def get_accuracy_df_bootstrap(self, accuracy_df_bootstrap, manual_df_bootstrap,analysis_type, n_iterations = 10):
partial_func = partial(self.get_accuracy_df_iteration, accuracy_df_bootstrap, manual_df_bootstrap, analysis_type)
pool = mp.Pool()
out_list = list(pool.map(partial_func, list(range(n_iterations))))
del(pool)
return out_list
def get_per_timepoint_accuracy(self, accuracy_df, manual_df, drop_duplicates = True):
manifest_df= self.manifest_df
tp_dict = self.tp_dict
out_list = []