Stat 216,                  Wednesday, April 5, 2000

1.  Demonstrate how to use Xlisp-Stat :
     1.a download data
       (  show it to me now using Irish data set)

     1.b  simple regression : (regression-model x y)
      1.c plotting functions :  (plot-points x y),   (spin-plot x) (scatterplot-matrix x)
                       link, highlight, select, ...

     (show it to me now using Rubber data set in Rice's book)

 2. Discuss Principal Component Analysis.

Download PCA-Model

  2.1 PCA as a dimension reduction tool. Ilustration using pca-model.lsp

  2.2 Data version.  For details,  click here to see pca-section2.

  2.3. Population version.  For details, click here to see pca-section 3.

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Slides for today   Warning:

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