columns contain a set of random data of different types e.g. uniform continuous, normal, binomial, multinomial. in grouping 1 there is 100 items in grouping 2 there are 1000 items
columns contain a set of random data of different types e.g. uniform continuous, normal, binomial, multinomial. in grouping 1 there is 100 items in grouping 2 there are 1000 items