Gradient-plot of a set of frequency distributions. Requires the 'color' function from config.kg. See the figure files (tps*.kg) for examples.
r::0;{color(r);barplot(x);r::r+1}'S1
S1::{((10#,0):=(x@4),4):=(x@5),5}'S1
r::P%W;{color(r);barplot(x);r::r-1}'|S1