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How to calculate ratio with PROC TABULATE?

Occasional Contributor
Posts: 10

How to calculate ratio with PROC TABULATE?


is there any way to create a user-defined column either with "Summary Tables" Report in SAS Enterprise Guide or with SAS PROC TABULATE procedure?

I didn't find the solution so far.

What I would like to get, is following:


I have two variables TOTAL and ERRORS, I am looking for an option in SAS EG to implement my column RATIO, that would show ratio values.

I tried the possibility to calculate this column in a data set, and then to implement it as a separate value, Works OK, apart from the TOTAL value for RATIO. (I do not want this value to be summarized. It should show the ratio between SUM(Errors) / SUM(Total))

Thanks in advance for your ideas!


Super User
Posts: 23,661

Re: How to calculate ratio with PROC TABULATE?

What does your input data look like.

Super User
Super User
Posts: 8,068

Re: How to calculate ratio with PROC TABULATE?

Easy enough to do with PROC REPORT. Not sure how to get EG to do it.

data have;

input year total errors;


2010 1000 10

2011 3000 25

2012 2000 32


proc report nofs ;

  column year total errors ratio ;

  define year / order order=internal ;

  define total / sum ;

  define errors / sum ;

  define ratio / computed format=percent8.2;

  compute ratio ;

    ratio = errors.sum / total.sum ;


  rbreak after / ol summarize ;


      year      total     errors     ratio

       2010       1000         10    1.00%

       2011       3000         25    0.83%

       2012       2000         32    1.60%

             ---------  ---------  --------

                  6000         67    1.12%

Posts: 9,364

Re: How to calculate ratio with PROC TABULATE?

Hi, Tom:

  Your method is the only way with REPORT. The challenge with the List Report Wizard in EG is that you cannot do a COMPUTE block. So while it's good for getting the basic report structure down, the code in the COMPUTE block has to be added. Which means you have to export the REPORT code and add the COMPUTE block. (which means you have to understand the compute block).

  There is also a way to do this with TABULATE (using your data), but it requires using a special denominator definition -- so also needs code.


proc format;

  picture pct (round) low-high='009.99%';



proc tabulate data=have;

  class year;

  var total errors;

  table year all,

        total errors errors*pctsum<total>*f=pct.;


Occasional Contributor
Posts: 10

Re: How to calculate ratio with PROC TABULATE?

Posted in reply to Cynthia_sas

Thanks Cynthia,

it is a very helpful solution as well. I ,personally, find the solution with PROC REPORT a bit strightforward.

Thank you all for proposed solutions!


Occasional Contributor
Posts: 10

Re: How to calculate ratio with PROC TABULATE?

Thank you Tom!

That's exactly what I was looking for! As Cynthia mentioned, you do not have the COMPUTE block option in EG, so I wrote a code instead!

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