| APPLET | SOURCE | DESCRIPTION |
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| RegFit (Fitting a Regression Line) | Seeing Statistics with Bolder Stats | Guided by individual and total errors, users try to find best fit line before displaying actual regression line. more |
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| RegDecomp (Decomposition of Fit in Regression) | Seeing Statistics with Bolder Stats | Guided by total error, users try to find best fit line before displaying actual regression line. more |
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| Regression | Interactivate | Displays a user-estimated regression line and/or the actual regression line along with sample correlation as users place and move points on a plot. more |
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| Confidence and Prediction Bands | Wolfram Demonstrations Project | Shows visual representation of confidence and prediction bands based on observations and confidence level that can both be varied. Requires download of Mathematica Player as well as demo itself, good for classroom demonstration. more |
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| Least Absolute Deviation Regression | Java Applets for the Visualization of Statistical Concepts (VESTAC) | Generates multiple samples and shows least absolute deviation regression line compared to ordinary least squares regression line. more |
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