topic How to take the Frequency of an array in SAS Programming

How to take the Frequency of an array

drichmo1 — Fri, 02 Sep 2016 16:11:30 GMT

How would I be able to take the frequencies in matrix. For the data I am using I have colums A, B, C, D, E., however, they do not represent different variables, so I do not want to know the frequency of each unique entry per column, but rather, the frequency of each unique entry for the matrix as a whole.

Attatched is the matix.

Best,

Re: How to take the Frequency of an array

ballardw — Fri, 02 Sep 2016 16:24:02 GMT

And the output should look like what for that example data?

It isn't clear if you are looking for an overall frequency from the entire dataset or per row only.

Also are those the only values that will ever appear among the variables or do you have the possibility of practically unlimited actual values for A B C D and E?

Since you are using the word "matrix" this might be better as a SAS/IML question.

Re: How to take the Frequency of an array

drichmo1 — Sat, 03 Sep 2016 01:06:00 GMT

I want to take the frequency if the whole dataset and I do not want the output to give me the out put based on A B C D E. They mean nothing for my data.

Re: How to take the Frequency of an array

Ksharp — Sat, 03 Sep 2016 03:30:31 GMT

Yes. It is IML thing.


data have;
input a b c d e;
cards;
1 2 3 6 2
3 4 7 1 .
2 . . 3 6 
;
run;
proc iml;
use have;
read all var{a b c d e} into x;
close;

call tabulate(level,freq,x);

print (level`)[l='level'] (freq`)[l='freq'];
quit;

Re: How to take the Frequency of an array

drichmo1 — Tue, 06 Sep 2016 19:51:48 GMT

Thanks for your help! It worked!