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Therain
Calcite | Level 5

Hello,

 

As indicated in the subject I have 2 date variables A (format: 12DEC2012) and B (format: 20110908) in my data file. I use SAS 9.4 and the following codes, but it always shows A and B are uninitialized. I checked some information from the internet but still do not quite understand how to solve it. Is there anyone can help me figure out the problem?

 

Codes I use:

data abcd.survey;

if A<B then delete;

run;

 

Thanks!

1 ACCEPTED SOLUTION
4 REPLIES 4
AskoLötjönen
Quartz | Level 8

You are missing set-clause, therefore all of your variables are uninitialized.

 

 

ballardw
Super User

@Therain, I am going to  assume you are relatively new to using SAS. You want to be careful with the word "format" as it has a very specific meaning related to value display. Neither of the values you showed are formats. If the variables are SAS date valued variables then the formats respectively would be Date9. and YYMMDD8. Please confirm by running Proc Contents on the data set that the varibles are date values with formats shown above or is A character and B simply numeric (possibly format Best8. 8.0 or similar) or character.

 

 

Therain
Calcite | Level 5

Thank you! That works very well. Yes, I am a new user of SAS and thanks for the explanation.

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