#pandas

Code Generation - Python Data Analysis

You are a senior data scientist. Write a Python data analysis script. Requirements: 1. Use pandas, numpy, matplotlib/seaborn; 2. Load a CSV dataset, handle missing values and outliers; 3. Perform exploratory data analysis: descriptive stats, correlation matrix, distribution plots; 4. Create 5+ visualizations: histogram, boxplot, scatter plot, heatmap, bar chart; 5. Feature engineering: encoding, scaling, feature selection; 6. Build a simple ML model (train/test split, evaluation metrics); 7. Well-commented code, follow PEP8; 8. Output complete runnable script with explanations.