# plotbyfactor

## PURPOSE

## SYNOPSIS

function plotbyfactor(x,y,f)

## DESCRIPTION

     very simplistic version of plotbyfactor.
     no symbols, will crash if more than 8 levels.

## CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

- lfplot Plot (for one or two dimensions) a locfit() fit.

## SOURCE CODE

    0001 function plotbyfactor(x,y,f)
    0002 %
    0003 % very simplistic version of plotbyfactor.
    0004 % no symbols, will crash if more than 8 levels.
    0005 %
    0006
    0007 z = unique(f);
    0008 cols = ['b','r','g','m','c','y','k','w'];
    0009
    0010 for (i = 1:length(z))
    0011   u = find(f==z(i));
    0012   plot(x(u),y(u),'.','color',cols(i));
    0013   hold on;
    0014 end;
    0015 hold off;
    0016
    0017 return;