Hi all,
I'm a new user of SAS so there is likely to be a very straightforward answer to my question. i have a dataset which has dates of diagnosis in the format DDMMYY. i'm trying to replace some implausible dates, so those observations that occurred at a time that was impossible, and replace them with a missing value ("."). Can anybody let me know the statements that would do this for me.
i have tried IF THEN, but it hasn't seemed to have worked...
Please help!
Thanks
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