Output Tall Data Set Specify a name for the tall output data set. The default name is the Input Wide Data Set name with “_tal” appended as a suffix. For detailed information about the files and data sets used or created by JMP Life Sciences software, see Files and Data Sets. To Specify an Output Tall Data Set Name: Type the name into the Output Tall Data Set field. If you change your mind and would like to reset the field, click Clear.