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README.md
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NBA Player Performance Analysis (1990–2024)
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This project analyzes NBA player performance trends from 1990 to 2024 using season-level data. The goal was to clean, explore, visualize, and interpret long-term changes in scoring, assists, 3-point shooting, and player height. The dataset was filtered to include only NBA players, and the selected features were Season_Year, PTS, AST, 3PM, and height_cm. After cleaning, the final dataset contained 7,633 rows and 6 columns.
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Visualizations and Insights
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Average Points and Assists per Player (1990–2024)
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Points remained consistently high, while assists grew gradually. This indicates an increase in offensive efficiency and ball movement across the league.
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Average 3-Point Shots Made per Player
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A major increase occurred after 2010, representing the shift toward perimeter play and analytics-driven shooting strategies.
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Average Player Height Over Time
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Player height remained mostly constant, showing that strategic evolution, not physical change, drove the transformation of NBA play style.
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Points vs Assists Over Time
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There is a clear positive relationship between assists and points. Newer seasons tend to appear higher on the trendline, indicating improvements in teamwork and shot creation.
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Points-to-Assists Ratio
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The ratio shows fluctuations across eras, reflecting tactical shifts between isolation-heavy scoring and team-oriented offenses.
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Correlation Matrix
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Key correlations:
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- Points and assists: strongly positive
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- Height and 3PM: moderately negative
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- Height and points: slightly negative
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- 3PM and points: weakly positive
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Summary of Findings
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1. Average points per player increased slightly over time.
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2. Assists per player grew steadily, indicating improved teamwork and spacing.
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3. Three-point shooting
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4. Player height remained stable, suggesting
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5. The points-to-assists ratio
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Overall Result
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The NBA evolved from slower, isolation-heavy basketball into a modern, fast-paced, perimeter-oriented, analytics-driven style of play.
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Files Included
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- Copy_of_Assignment_1.ipynb
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- cleaned_nba_data.csv
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- players_stats_by_season_full_details.csv
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- Visualization files (img 1.png, img 2.png, img 3.png, img 4.png, img 5.png, img 6.png)
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- README.md
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NBA Player Performance Analysis (1990–2024)
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This project analyzes NBA player performance trends from 1990 to 2024 using season-level data. The goal was to clean, explore, visualize, and interpret long-term changes in scoring, assists, 3-point shooting, and player height. The dataset was filtered to include only NBA players, and the selected features were Season_Year, PTS, AST, 3PM, and height_cm. After cleaning, the final dataset contained 7,633 rows and 6 columns.
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Visualizations and Insights
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Average Points and Assists per Player (1990–2024)
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Average 3-Point Shots Made per Player
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Average Player Height Over Time
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Points vs Assists Over Time
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Points-to-Assists Ratio
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Correlation Matrix
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Summary of Findings
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1. Average points per player increased slightly over time.
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2. Assists per player grew steadily, indicating improved teamwork and spacing.
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3. Three-point shooting increased significantly after 2010.
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4. Player height remained stable, suggesting strategy and spacing mattered more than size.
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5. The points-to-assists ratio reveals tactical differences across eras.
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Overall Result
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The NBA evolved from slower, isolation-heavy basketball into a modern, fast-paced, perimeter-oriented, analytics-driven style of play.
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