The DO Loop

Statistical programming in SAS with an emphasis on SAS/IML programs
Programming Tips
Rick Wicklin 0
Transpose blocks to reshape data

A SAS programmer asked how to rearrange elements of a matrix. The rearrangement he wanted was rather complicated: certain blocks of data needed to move relative to other blocks, but the values within each block were to remain unchanged. It turned out that the mathematical operation he needed is called

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