- find-histogram pixmap maxvalprocedure
- histogram-mean histogram iprocedure
- histogram-variance histogram mu iprocedure
- normalised-histogram histogram valprocedure
- weighted-histogram histogramprocedure
- cumulative-histogram histogramprocedure
- find-between-class-variances omegas mus mu-totalprocedure
Compute histograms from a matrix.