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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

Advanced Analytics | Machine Learning
Susan Kahler 0
Four machine learning strategies for solving real-world problems

There are four widely recognized styles of machine learning: supervised, unsupervised, semi-supervised and reinforcement learning. These styles have been discussed in great depth in the literature and are included in most introductory lectures on machine learning algorithms. As a recap, the table below summarizes these styles. For a comprehensive mapping

Work & Life at SAS
Celeste Cooper 0
Yoga for Bone Loss

Have you noticed the commercials about medication for bone loss?  Maybe I’m noticing more as I am in my 50s.  Many don’t think a great deal about bone loss until something breaks!  I know this was the case with a relative.  After breaking her leg, she learned she had osteoporosis. 

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