Regression & R²

About this app

Least-squares line on lecture data: errors as squares, SST = SSR + SSE as a right triangle, SSE as a bowl over slope and position; Anscombe, a parabola and a confounder show what R² does not reveal.

Subject: Probability & statistics

More from Probability & statistics

• Curve-fitting playground
• Galton board
• Covariance & Regression
• Covariance & regression 2.0
• Coin flips: law of large numbers
• Spray a Point Cloud
• Monty Hall problem

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