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se-jaeger merged 3 commits into from
Jan 19, 2026
Merged

chore: Remove py39, add py313 and 314 #26

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9c1fe71
chore: add python 3.13 and 3.14, remove python 3.9
se-jaeger Jan 2, 2026
deb6459
chore: update github action versions
se-jaeger Jan 2, 2026
86d255a
minor
se-jaeger Jan 2, 2026
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9 changes: 4 additions & 5 deletions .github/workflows/mypy.yaml
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Expand Up @@ -14,28 +14,27 @@ jobs:
fail-fast: true
matrix:
os: ["ubuntu-latest", "macos-latest", "windows-latest"]
python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
runs-on: ${{ matrix.os }}
steps:
#----------------------------------------------
# check-out repo and set-up python
#----------------------------------------------
- name: Check out repository
uses: actions/checkout@v4
uses: actions/checkout@v6
- name: Set up python ${{ matrix.python-version }}
id: setup-python
uses: actions/setup-python@v5
uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python-version }}

#----------------------------------------------
# ----- install uv -----
#----------------------------------------------
- name: Install uv
uses: astral-sh/setup-uv@v5
uses: astral-sh/setup-uv@v7
with:
enable-cache: true
version: "0.7.3"

#----------------------------------------------
# ----- setup matchers & run mypy -----
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12 changes: 5 additions & 7 deletions .github/workflows/publish.yaml
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Expand Up @@ -30,19 +30,17 @@ jobs:
# check-out repo and set-up python
#----------------------------------------------
- name: Checkout code
uses: actions/checkout@v4
- name: Set up Python 3.9
uses: actions/setup-python@v5
uses: actions/checkout@v6
- name: Set up Python 3.10
uses: actions/setup-python@v6
with:
python-version: "3.9"
python-version: "3.10"

#----------------------------------------------
# ----- install uv -----
#----------------------------------------------
- name: Install uv
uses: astral-sh/setup-uv@v5
with:
version: "0.7.3"
uses: astral-sh/setup-uv@v7

#----------------------------------------------
# install dependencies and build packages
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6 changes: 3 additions & 3 deletions .github/workflows/ruff.yaml
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Expand Up @@ -14,17 +14,17 @@ jobs:
fail-fast: true
matrix:
os: ["ubuntu-latest", "macos-latest", "windows-latest"]
python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
runs-on: ${{ matrix.os }}
steps:
#----------------------------------------------
# check-out repo and set-up python
#----------------------------------------------
- name: Check out repository
uses: actions/checkout@v4
uses: actions/checkout@v6
- name: Set up python ${{ matrix.python-version }}
id: setup-python
uses: actions/setup-python@v5
uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python-version }}

Expand Down
7 changes: 3 additions & 4 deletions .github/workflows/tests.yaml
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Expand Up @@ -22,22 +22,21 @@ jobs:
# Check out repo and set up Python
#----------------------------------------------
- name: Check out repository
uses: actions/checkout@v4
uses: actions/checkout@v6

- name: Set up Python ${{ matrix.python-version }}
id: setup-python
uses: actions/setup-python@v5
uses: actions/setup-python@v6
with:
python-version: ${{ matrix.python-version }}

#----------------------------------------------
# Install uv
#----------------------------------------------
- name: Install uv
uses: astral-sh/setup-uv@v5
uses: astral-sh/setup-uv@v7
with:
enable-cache: true
version: "0.7.3"

#----------------------------------------------
# Run Pytest
Expand Down
4 changes: 2 additions & 2 deletions .pre-commit-config.yaml
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
default_language_version:
python: python3.9
python: python3.10

repos:
- repo: https://github.com/astral-sh/ruff-pre-commit
rev: v0.8.0
rev: v0.9.21
hooks:
# Run the linter and fix issues ...
- id: ruff
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47 changes: 25 additions & 22 deletions README.md
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@@ -1,4 +1,5 @@
# `tab_err`

<h1 align="center">
Inject Realistic Errors Into Tables
</h1>
Expand All @@ -18,7 +19,6 @@
[![pytest](https://github.com/calgo-lab/tab_err/actions/workflows/tests.yaml/badge.svg?branch=main)](https://github.com/calgo-lab/tab_err/actions/workflows/tests.yaml)
[![Ruff](https://github.com/calgo-lab/tab_err/actions/workflows/ruff.yaml/badge.svg?branch=main)](https://github.com/calgo-lab/tab_err/actions/workflows/ruff.yaml)


`tab_err` injects realistic errors into tabular data such as database tables and DataFrames.
The library is developed and maintained by the [Cognitive Algorithms Lab](https://calgo-lab.de/) at BHT Berlin.

Expand All @@ -28,13 +28,15 @@ Researchers and data practitioners can generate errors in a controlled way, eval
## How it Works

The library's building blocks are `ErrorMechanism`s, `ErrorType`s, and `ErrorModel`s.
- An `ErrorMechanism` describes the error's distribution - that's *where* incorrect cells appear in the table. We support *erroneous at random* (EAR), *erroneous not at random* (ENAR) and *erroneous completely at random* (ECAR).
- An `ErrorType` describes *how* the value is wrong: a typo, an outlier, a category swap, and so on. Read the documentation for a [full list of supported error types](https://tab-err.readthedocs.io/latest/api/tab_err/error_type/index.html).

- An `ErrorMechanism` describes the error's distribution - that's _where_ incorrect cells appear in the table. We support _erroneous at random_ (EAR), _erroneous not at random_ (ENAR) and _erroneous completely at random_ (ECAR).
- An `ErrorType` describes _how_ the value is wrong: a typo, an outlier, a category swap, and so on. Read the documentation for a [full list of supported error types](https://tab-err.readthedocs.io/latest/api/tab_err/error_type/index.html).
- An `ErrorModel` is a set of mechanisms and types to perturb existing data with realistic errors. It is shareable as metadata.

`tab_err` is supported by a `pandas` backend.

## Examples

```python
from sklearn.datasets import load_iris

Expand Down Expand Up @@ -77,7 +79,7 @@ For a detailed guide and more examples, see our [Getting Started Notebook](https

## Where to get it

The source code is hosted on GitHub at <https://github.com/calgo-lab/tab_err>.
The source code is hosted on GitHub at <https://github.com/calgo-lab/tab_err>.
Binary installers for the latest releases are available at the Python Package Index (PyPI) <https://pypi.org/project/tab-err>.

```sh
Expand All @@ -96,25 +98,26 @@ Develop on feature branches and open pull requests when you're ready.
Make sure that your changes are tested, documented, and clearly described in the pull request.

## Citation

If you use the error model that's underlying `tab_err` for a scientific publication, we would appreciate your citation.

```
```bib
@article{10.1145/3774914,
author = {Jung, Philipp and J\"{a}ger, Sebastian and Chandler, Nicholas and Biessmann, Felix},
title = {Towards Realistic Error Models for Tabular Data},
year = {2025},
issue_date = {December 2025},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
volume = {17},
number = {4},
issn = {1936-1955},
url = {https://doi.org/10.1145/3774914},
doi = {10.1145/3774914},
journal = {J. Data and Information Quality},
month = dec,
articleno = {28},
numpages = {27},
keywords = {Tabular data, data quality, data errors, data error generation, error model, realistic error model, error type}
author = {Jung, Philipp and J\"{a}ger, Sebastian and Chandler, Nicholas and Biessmann, Felix},
title = {Towards Realistic Error Models for Tabular Data},
year = {2025},
issue_date = {December 2025},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
volume = {17},
number = {4},
issn = {1936-1955},
url = {https://doi.org/10.1145/3774914},
doi = {10.1145/3774914},
journal = {J. Data and Information Quality},
month = dec,
articleno = {28},
numpages = {27},
keywords = {Tabular data, data quality, data errors, data error generation, error model, realistic error model, error type}
}
```
```
2 changes: 1 addition & 1 deletion examples/1-Getting-Started.ipynb
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@philipp-jung philipp-jung Jan 2, 2026

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No changes here - maybe consider removing from PR

Original file line number Diff line number Diff line change
Expand Up @@ -343,7 +343,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.20"
"version": "3.10.19"
}
},
"nbformat": 4,
Expand Down
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