Page 338 - Introduction to Statistical Pattern Recognition

320 Introduction to Statistical Pattern Recognition

I --- -- 30%
BAYES
ZNN(%) ERROR

_----
40 ---

I I I b 81
0.0 .01 .02
t t t t t

00 1280 640 320 160 + N (for n=8)
Fig. 7-6 NN errors for normal data.

(1) Change the sample size N as N,, N2,. . . ,NZ. For each Ni, calculate PI
A
(using the intrinsic dimensionality) and measure ENN empirically. It is
preferable to repeat the experiment several times independently and to
A
average the measured ENN’s.