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ybz12003
Rhodochrosite | Level 12

Hello,

I have two data sets; set A is a large one with over 1000 columns, and set B is a small one with only 10 obs and 5 columns.  A and B have the same ID columns; in addition, all the five variables in Set B are from set A with updated values (numeric).  I would like to update set A with set B value with the same IDs.  That's why I think about merging two datasets.  Please let me know how to approach it, thanks.

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Quentin
Super User

Could you post a little example data?  So a dataset of 10 records with 3 variables, and a dataset with 5 records and 2 variables, and then show what you would want as a result of applying the updates?  Please post the data as DATA steps with the CARDS statement, so that people can run the code to create the example data.

 

You might want to look into the UPDATE statement, and see if that will do what you're looking for.

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Quentin
Super User

Could you post a little example data?  So a dataset of 10 records with 3 variables, and a dataset with 5 records and 2 variables, and then show what you would want as a result of applying the updates?  Please post the data as DATA steps with the CARDS statement, so that people can run the code to create the example data.

 

You might want to look into the UPDATE statement, and see if that will do what you're looking for.

The Boston Area SAS Users Group is hosting free webinars!
Next webinar will be in January 2025. Until then, check out our archives: https://www.basug.org/videos. And be sure to subscribe to our our email list.
ybz12003
Rhodochrosite | Level 12
I think I used update before but forgot how.

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