SAS
When performing data analysis, we often need to "reshape" our data from wide format to long format. A common example of wide data is a data structure with one record per subject and multiple columns for repeated measures. For example:
Library services change around the winter holidays. See all service status and closure information.
When performing data analysis, we often need to "reshape" our data from wide format to long format. A common example of wide data is a data structure with one record per subject and multiple columns for repeated measures. For example: