Calculating variance of each ID within a data step

Super User

Re: Calculating variance of each ID within a data step

Posted 09-27-2016 07:40 PM (564 views) | In reply to CheerfulChu

Rolling/Moving stats are quite easy. I recommend an array approach.

See the sample here. Rather than mean you can use the variance function.

https://gist.github.com/statgeek/27e23c015eae7953eff2

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