| cmpquar | Compute a histogram for a field |
| -d1 <base-data> | base data |
| -d2 <data> | data to be compared |
| -dout <trgdata> | target data for portions |
This operation compares the specified <data> with <base-data> and replaces each value by perceptual portions that describe, how big part of the values of <base-data> is less than that particular value. The data frames are compared field by field.