Programming the statistical procedures from SAS

PROC MIXED first introduced?

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PROC MIXED first introduced?

Hi, I have been trying to find out when PROC MIXED was first introduced to SAS but haven't been able to find anything. Just wondering if this information was avaliable. Thank you.

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Posts: 1,125

Re: PROC MIXED first introduced?

Hi @as00502,


Googling for "PROC MIXED was introduced" I obtained this hit saying that in section 26.2.1 of this book the authors state that "SAS/PROC MIXED was introduced in 1992."

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Posts: 684

Re: PROC MIXED first introduced?

Posted in reply to FreelanceReinhard

Yes, most sources say that MIXED was introduced in 1992.It was greatly changed, expanded, and improved over the following few years.

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