Exclude/hide rows in a dataset
mda.exclrows(x, ind)
dataset (data frame or matrix).
indices of rows to exclude (numbers, names or logical values)
dataset with excluded rows
The method assign attribute 'exclrows', which contains number of rows, which should be excluded/hidden
from calculations and plots (without removing them physically). The argument ind
should contain
rows numbers (excluding already hidden), names or logical values.