SAS Blogs

Students & Educators

Nadja YoungJune 27, 2012 0

NC teachers’ voices regarding use of student growth in educator evaluations

In 2011-2012, North Carolina became one of many states to restructure their educator evaluation system to incorporate student growth. The NC Department of Public Instruction commissioned the external expertise of WestEd to evaluate various growth models and recommend value-added technology that would help them best meet their mission of using meaningful evaluation to

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Education | Government

Advanced Analytics

Rick WicklinJune 27, 2012 0

Create an ID vector for repeated measurements

I often use the SAS/IML language for simulating data with certain known properties. In fact, I'm writing a book called Simulating Data with SAS. When I simulate repeated measurements (sometimes called replicated data), I often want to generate an ID variable that identifies which measurement is associated with which subject

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June 26, 2012 0

The specifics of analytics in data quality

We just published Gerhard Svolba’s Data Quality for Analytics Using SAS. When I first heard about it, I thought we’d have a tome covering such topics as standardizing data, cleaning it up, removing duplicates, and so on. However, as Gerhard says in his Introduction, “There are many aspects of data

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