Line of Least(?) Squares
- Scott Farrar
twitter: @farrarscott web: www.scottfarrar.com 1. Drag points P_1 and P_2 to try to find a line of best fit. 2. Check "Show Squared Residuals" to reveal extra information. 3. Check "Show Line of Least Squares" to see the answer. 4. Check "Show Squared y deviations" to observe a piece of how R^2 is calculated. 5. data points A, B, C, D, E can be dragged as well to observe other cases.