Stat > Reliability/Survival > Warranty Analysis > Pre-Process Warranty Data
Use to process raw field data in the triangular matrix format to a regular time-to-failure data format in order to run any life data analysis.
Data format: Choose the data format. You can enter the number of sales in a column (Shipment values in a column) or enter the number of sales in the first row of each return column (Shipment values in first row of return columns).
Shipment (sale) column: If you chose to enter shipment values in a column, enter the column containing the number of units produced and/or shipped in specific time periods.
Return (failure) columns: Enter the columns containing the resulting failures or returns for the production lots in subsequent time periods.