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Analytics
Mike Gilliland 0
Can you identify a trend?

So you think you are smarter than the average forecaster, and can identify a trend in time series data? You now have a chance to put your trend detection skills (aka trendar) to the test, and help the cause of forecasting research in the process. Nikos Kourentzes, Associate Professor at

Data Visualization
Sanjay Matange 0
Box plot legend

A grouped box plot created by SGPLOT VBOX / HBOX statement or GTL BOXPLOT statement will display groups within categories using group colors and puts the color swatches representing the group values in the legend.  This works well for a color graph created as shown below. title 'Distribution of Cholesterol

Analytics | Programming Tips
Rick Wicklin 0
Quadratic optimization in SAS

At SAS Global Forum last week, I saw a poster that used SAS/IML to optimized a quadratic objective function that arises in financial portfolio management (Xia, Eberhardt, and Kastin, 2017). The authors used the Newton-Raphson optimizer (NLPNRA routine) in SAS/IML to optimize a hypothetical portfolio of assets. The Newton-Raphson algorithm

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