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Programming Tips

Strengthen your programming skills with tips and techniques from the experts

Rick WicklinAugust 8, 2018 0

Plot curves for levels of two categorical variables in SAS

The SGPLOT procedure in SAS makes it easy to create graphs that overlay various groups in the data. Many statements support the GROUP= option, which specifies that the graph should overlay group information. For example, you can create side-by-side bar charts and box plots, and you can overlay multiple scatter

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Data Visualization | Programming Tips

Robert AllisonAugust 6, 2018 0

Choose your markers carefully! (for scatter plots, that is)

There are many quotes with words of wisdom to help you live your life. But sometimes one quote seems to contradict another. For example, "Don't sweat the small stuff." ... and "The devil is in the details." When it comes to creating graphs (and perhaps living my life in general),

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Analytics | Programming Tips

Rick WicklinAugust 6, 2018 0

How to score and graph a quantile regression model in SAS

This article shows how to score (evaluate) a quantile regression model on new data. SAS supports several procedures for quantile regression, including the QUANTREG, QUANTSELECT, and HPQUANTSELECT procedures. The first two procedures do not support any of the modern methods for scoring regression models, so you must use the "missing

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