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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.
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Alternate Title Learning by Simulations
Date Issued 2002
Resource Type
Email Address
Date Of Record Creation 2005-05-12 15:54:41
Date Of Record Release 2005-05-12 16:05:01
Date Last Modified 2005-05-12 16:58:30
Statistical Topic
Material Type
Author Name Hans Lohninger
Author Organization Inst. of Chemical Technologies and Analytics; Vienna University of Technology
Technical Requirements Unizzping utility
Supplemental (Evidence)
Intended User Role
Cost involved with use
Math Level

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