How to create loop for every month updated 12 months data?

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New Contributor
Posts: 4

How to create loop for every month updated 12 months data?

I have master data of 12 months. I am caluclating value of one varible based on previous months values. I have calculated Feb values based on Jan values. Now, I want to calculate March value based on Jan and New Feb values; April value based on Jan, New Feb, New March values and so on...The new monthly value has to go in master dataset everytime. I have to use updated master file everytime. 

Can you please help me to write the loop? 

Trusted Advisor
Posts: 1,683

Re: How to create loop for every month updated 12 months data?

Posted in reply to sasuser1031

The answer to your question depends on your dataset format.

 

Please provide a sample data with the 12 month in it.

New Contributor
Posts: 4

Re: How to create loop for every month updated 12 months data?

I have caluclated it  for Feb and  applied back on master dataset I am just trying to iterative process for 12 months.  

 

Respected Advisor
Posts: 2,174

Re: How to create loop for every month updated 12 months data?

[ Edited ]
Posted in reply to sasuser1031

sasuser1031 wrote:

I have caluclated it  for Feb and  applied back on master dataset I am just trying to iterative process for 12 months.  

 


This completely avoids answering the question.

 

We still don't know what the calculation is that you are doing.

 

And you haven't provided an example, as was also requested.

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Paige Miller
Respected Advisor
Posts: 2,174

Re: How to create loop for every month updated 12 months data?

Posted in reply to sasuser1031

Now, I want to calculate March value based on Jan and New Feb values;

 

Explain. What is the calculation? Sum? Average? Delta? Time series prediction? arc-cosine?

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Paige Miller
New Contributor
Posts: 4

Re: How to create loop for every month updated 12 months data?

Posted in reply to PaigeMiller

I have caluclated it  for Feb and  applied back on master dataset I am just trying to iterative process for 12 months.  

Trusted Advisor
Posts: 1,683

Re: How to create loop for every month updated 12 months data?

Posted in reply to sasuser1031

Does this answers your question:

do i = 1 to 12;
    if i > 2 then do j=1 to i;
       <calculate month(j) depending on month(i)>
   end;
end;
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