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Data Visualization
Sanjay Matange 0
Graphs at WUSS - Part 2

Last week I covered some of the interesting graph-related papers presented at WUSS.  There were quite a few, so I broke up the report into two parts.  Here is the second installment. In the paper  Creating Graphical Patient Profiles using SAS by William Garner of Gilead Sciences, the author describes how to create

Rick Wicklin 0
Visualize a matrix in SAS by using a discrete heat map

A heat map is a graphical representation of a matrix that uses colors to represent values in the matrix cells. Heat maps often reveal the structure of a matrix. There are three common applications of visualizing matrices with heat maps: Visualizing a correlation or covariance matrix reveals relationships between variables.