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Programming Tips

Strengthen your programming skills with tips and techniques from the experts

Robert AllisonJanuary 29, 2019 0

Visualizing unemployment data, with a band plot

Many areas of the US are experiencing record low unemployment. This is great at the national level, and also great at a personal level (for example, I now have fewer unemployed friends asking to borrow money!) But just how low is the US unemployment rate, and how does it compare

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Government

Learn SAS | Programming Tips

Parameter estimates for synthetic (simulated) data that follows a regression model.

Rick WicklinJanuary 28, 2019 0

Simulate data for a regression model with categorical and continuous variables

This article shows how to use SAS to simulate data that fits a linear regression model that has categorical regressors (also called explanatory or CLASS variables). Simulating data is a useful skill for both researchers and statistical programmers. You can use simulation for answering research questions, but you can also

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Analytics | Programming Tips

Rick WicklinJanuary 23, 2019 0

Coding and simulating categorical variables in regression models

Recently I was asked to explain the result of an ANOVA analysis that I posted to a statistical discussion forum. My program included some simulated data for an ANOVA model and a call to the GLM procedure to estimate the parameters. I was asked why the parameter estimates from PROC

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