Predict churn and derive actionable strategies to retain users in a highly competitive telecom environment.
This repository showcases two foundational data analysis projects using SQL and Python. Each project demonstrates data preparation, analysis, and visualization for real-world business scenarios.
File: SQL analysis.sql
A simple relational schema simulating a sales environment with customer and order data. The project includes:
- Schema creation (
Customers
,Orders
tables) - Sample data insertion
- JOIN queries to combine data
- Aggregate functions (
SUM
,GROUP BY
) for regional sales analysis
- SQL Joins
- Data aggregation
- Database normalization
- Query optimization (basic)
File: EDA OF TELECOM CHURN.ipynb
This Jupyter Notebook performs Exploratory Data Analysis on a telecom churn dataset to understand customer behavior and identify churn patterns.
- Data cleaning and preprocessing
- Univariate and bivariate analysis
- Visualizations using Seaborn/Matplotlib
- Insights on factors contributing to customer churn
- Python (Pandas, NumPy)
- Data visualization
- Feature interpretation
- Business insights from churn analysis
- Python 3.8+
- Jupyter Notebook
- Libraries:
pandas
,matplotlib
,seaborn
,numpy
- MySQL or any compatible SQL environment for the SQL project
- Clone the repo:
git clone https://github.com/your-username/data-analysis-portfolio.git cd data-analysis-portfolio
jupyter notebook "EDA OF TELECOM CHURN.ipynb" Contact If you have any questions or feedback, feel free to connect: