By default, Weibull++ life data folio data sheets include a Subset ID column for logging any pertinent information or comments about the data. The column can contain values or text up to 30 characters, including spaces.
The information in the subset ID column do not affect the calculations in the folio unless you select to use analysis methods that categorize data based on their subset IDs. The following is a list of analysis methods in Weibull++ that are affected by subset IDs:
To insert additional subset ID columns to a data sheet, choose Life Data > Format and View > Add/Remove Columns.
In the window, click the Add Subset ID Column button. To remove a subset ID column from the list, clear the check box next to the column's name.