Transpose long to wide in SAS

Question

I have a very large data set (18 million observations) that I would like to transpose by subsetting based on one variable and creating 900 new variables out of those sub/ets. Ex

Answer 1

Here are links to well tested in battle macros from the book "Data Preparation for Analytics"

From the sas community wiki you can download macro definitions.

Goto http://support.sas.com/kb/32/121.html for transposing from WIDE to LONG and http://support.sas.com/kb/32/122.html for transposing from LONG to WIDE.

More Details on "Data Preparation for Analytics" can be found under http://www.sascommunity.org/wiki/Data_Preparation_for_Analytics, where you can download all macros, programs and datasets for the book.

Hope this help