next up previous contents
Next: Axis for each dimension Up: Setting a structure over Previous: Creating contours

The U-matrix presentation

 

umat Set a U-matrix to be used while visualizing a graphic structure
<graphic> name of the graphic structure
-umat <umat> name of the U-matrix data to be used
umat <graphic> -rm Clear the U-matrix presentation

This command sets a U-matrix to be used while visualizing the specified graphic structure. The distances between neurons are illustrated as distances between the rectangles in a graphical presentation. See the umat command (section 5.1.7) for information about how U-matrices are calculated.

Example (ex7.10): Three weights, rm_w, zn_w and age_w, are selected to be the basis of distance computing. Then a U-matrix is computed and selected into graphic structure grp1.

...
NDA> somtr -d boston -sout s1 -l 5
...
NDA> mkgrp grp1 -s s1
...
NDA> select umatflds -f s1_W.rm_w s1_W.zn_w s1_W.age_w
NDA> calcumat -s s1 -d umatflds -umat umat1
NDA> umat grp1 -umat umat1

figure3194


next up previous contents
Next: Axis for each dimension Up: Setting a structure over Previous: Creating contours

Anssi Lensu
Tue Jul 23 11:58:18 EET DST 2002