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📊 Superstore Sales Analysis Dashboard

📌 Project Overview

This project focuses on analyzing the Sample Superstore dataset using Python and Power BI. The objective is to perform data cleaning, exploratory data analysis (EDA), and create an interactive dashboard to uncover meaningful business insights.

The project was completed as part of the Week 1 Data Analytics Internship Task.


🛠️ Tools & Technologies Used

  • Python
  • Pandas
  • Power BI
  • VS Code
  • Git & GitHub

📂 Dataset Information

Dataset: Sample Superstore Dataset

Total Records: 9,994

Features Included:

  • Category
  • Sub-Category
  • Sales
  • Profit
  • Quantity
  • State
  • Region
  • Segment
  • Discount
  • Ship Mode

🧹 Data Cleaning & Preparation

The following data quality checks were performed:

  • Checked for missing values
  • Checked duplicate records
  • Validated data types
  • Verified dataset structure

Results

  • Missing Values Found: 0
  • Duplicate Records Found: 17

📈 Exploratory Data Analysis (EDA)

The analysis included:

Descriptive Statistics

  • Mean
  • Median
  • Standard Deviation
  • Minimum & Maximum Values

Univariate Analysis

  • Sales Distribution
  • Profit Distribution
  • Quantity Analysis

Bivariate Analysis

  • Sales vs Profit
  • Category-wise Performance
  • Region-wise Profit Analysis

📊 Power BI Dashboard Features

KPI Cards

  • Total Sales: $2.30M
  • Total Profit: $286.40K
  • Total Quantity: 38K

Visualizations

  • Sales by Category (Bar Chart)
  • Category Distribution (Pie Chart)
  • Profit by Region (Bar Chart)
  • Sales by State (Bar Chart)
  • Geographic Sales Map
  • Sales vs Profit Scatter Plot

Interactive Filters

  • Category Filter
  • Region Filter

🔍 Key Business Insights

  1. Technology category generated the highest sales ($836K).
  2. West region generated the highest profit ($108K).
  3. California contributed the highest sales among all states.
  4. The dataset contains no missing values.
  5. A total of 17 duplicate records were identified.
  6. Average sales per transaction are approximately $230.
  7. Higher discounts often reduce profitability.

📁 Project Files

SampleSuperstore.csv
eda.py
Superstore_Sales_Dashboard.pbix
Dashboard_Screenshot.png
README.md

🎯 Project Outcome

Successfully performed data cleaning, exploratory data analysis, and dashboard development to transform raw sales data into actionable business insights.


👨‍💻 Author

Devansh Gautam

Data Analytics Internship – Week 1 Project image

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