Leverage Effect in Regression Simulation

This program visualizes the effects of outliers to regression lines. The user may pick up a point with the mouse and move it across the chart. The resulting regression line is automatically adjusted after each movement, showing the effect in an immediate and impressive way. The program Leverage allows one to experiment with the leverage effect. You can create a random sample of data noisy points on a line. Dragging one of the points away from the regression line immediately shows the effect, as the regression line is recalculated and moves according to the current data set. Not online: user has to download the program.

Alternate Title: 
Learning by Simulations
Email Address: 
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Author Name: 
Hans Lohninger
Technical Requirements: 
Unizzping utility
Source Code Available: 
Source Code Not Available
Resource Type: 
Free for All

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