//
//Bar plot command
//
//this plot command draws bar graph.

//syntax when x axis variable is defined. 
plot bar [variable] by [variable]

//Syntax when x axis is record number.
plot bar [variables];

//Option
title=title //tilte strings
xlabel=x    //x axis strings
ylabel=y    //y axis strings
zlabel=z    //z axis strings
xrange=[xmin:xmax]
yrange=[ymin:ymax]
zrange=[zmin:zmax]
color:color //example:black,red,blue,green,yellow
xrotate=90  //vertical x tics


//Example 
get iris.csv@;

plot SepalW PetalW/ color=blue ;

//summary by Species sumup SepalW PetalW by Species/ method=average ; anaput result; get result; plot bar SepalW PetalW by Species;