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Tag: Missing Data

Programming Tips

Count the number of missing values in each variable in SAS

Rick WicklinSeptember 19, 2011 46

Count the number of missing values for each variable

The other day I encountered a SAS Knowledge Base article that shows how to count the number of missing and nonmissing values for each variable in a data set. However, the code is a complicated macro that is difficult for a beginning SAS programmer to understand. (Well, it was hard

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Advanced Analytics

Rick WicklinSeptember 15, 2010 7

Remove Observations with Missing Values

Missing values are a fact of life. Many statistical analyses, such as regression, exclude observations that contain missing values prior to forming matrix equations that are used in the analysis. This post shows how to find rows of a data matrix that contain missing values and how to remove those

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