matrix_dataset::add_histogram

Source: dataset/matrix/matrix_dataset__add_histogram.pro

 matrix_dataset::add_histogram
        Add a histogram to a matrix dataset.

 Usage:
        dsref -> add_histogram, <keys>

 Keywords:
        group   long    Widget ID of a group leader for a menu. This
                        keyword implies the generation of a menu to
                        set the histogram options, any other keys are
                        ignored.
        <others>        Any keywords or combination thereof accepted
                        by matrix_histogram::init (qv).

 History:
        Original: 9/8/00; SJT