FindMasks-func
Returns a dataset that contains the indexes of the masked data points.
dataset FindMasks(dataset vd)
vd
Returns a dataset that contains the indexes of the masked data points in vd.
newbook; Col(a)=normal(30); worksheet -s 1 5 1 10; // set range to rows 5 - 10 in col(1) mark -w1; mark -sw col(a); Col(b)=findmasks(Col(a));