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Data Visualization
Sanjay Matange 0
Two-in-one Graphs

A large variety of graphs fall in the category of what I call a "Single-Cell" graph.  This type of graph consists of a single data region along with titles, footnotes, legends and other ancillary objects.  Legends and text entries can be included in the data area.   The data itself is displayed

Learn SAS
Rick Wicklin 0
How to vectorize time series computations

Vector languages such as SAS/IML, MATLAB, and R are powerful because they enable you to use high-level matrix operations (matrix multiplication, dot products, etc) rather than loops that perform scalar operations. In general, vectorized programs are more efficient (and therefore run faster) than programs that contain loops. For an example

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