Important EDA tools

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LECTURE 30
Explanations via S-PLUS demo of the topics. No
other lecture material. See reading material.

• Important EDA tools
• Smoothers, particularly loess and spline
  smoothers
• Reading
  S-PLUS On-Line Guide to Statistics,
• 
  Vol. 1, pp. 290-292, 295-300
• Kernel density estimates
• Reading Text,
  pp. 314 316
• QQ-plots
• Reading Text, pp.
  88-91
• The Robust Library in S-PLUS
• The power of outlier-resistant methods and quick
  visual comparison of classical vs robust model
  fit. Demo.

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QUIZ 1 SCORES     Maximum score 45 N 107
Median 34 Quartiles 25, 39   Stem and Leaf
Display   0 6 1 4 1 67777899 2
002222233444 2 5555566777889999 3
000022222333334444 3 555555666666677788888899
999 4 000012222223344 4
555555555 (Decimal point is 1 place to the
right of the colon)
3
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