I am pretty new on SAS and I am not getting to create a new variable in SAS based on a date variable with the format monname9. I want to add the year season for each month in the monname9. date, for example, I want to create a variable called Year Season for December, January and February I want to put "winter" March, April and May I want to call "spring" June, July and August call "summer" and the other 3 months "fall" this should repeat for some years in my data. Any thoughts how I could do that? Thanks
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