1. Introduction When you have two data files, you can combine them by merging them side by side, matching up observations based on an identifier. For example, below we have…
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1. Introduction This module will explore missing data in SAS, focusing on numeric missing data. It will describe how to indicate missing data in your raw data files, how missing…
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This module will illustrate some of the system options offered by the SAS system. 1. SAS system options System options are global instructions that affect the entire SAS session and…
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1. Introduction This module demonstrates how to select variables using the keep and drop statements, using keep and drop data step options records, and using the subsetting if and delete…
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Basic reshaping data wide to long This link will take you to a SAS macro called %tolong for reshaping data from wide format to long format.  This link will take…
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Basic reshaping data long to wide This link will take you to a SAS macro called %towide for reshaping data from long format to wide format.  This link will take…
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There are several ways to reshape data. You can reshape the data using proc transpose or reshape the data in a data step.  The following will illustrate how to reshape…
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SAS is a powerful statistical package that runs on many platforms, including Windows and Unix. This class is designed for people who are just getting started using SAS. The students…
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SAS Textbook Examples Generalized Estimating Equations by James W. Hardin and Joseph M. Hilbe Chapter 2 Model Construction and Estimating Equations Model on page 35 using data set https://stats.idre.ucla.edu/wp-content/uploads/2016/02/ship.sas7bdat. proc…
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SAS Textbook Examples Generalized Estimating Equations by James W. Hardin and Joseph M. Hilbe Chapter 2 Model Construction and Estimating Equations Model on page 35 using data set https://stats.idre.ucla.edu/wp-content/uploads/2016/02/ship.sas7bdat. proc…
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