Matrix Calculations
Matrix calculations plugin is used to calculate column and row total scores for the Matrix questions. Row and column total scores will be calculated only for the open-ended fields in the question.
Add an additional scale element and answer option to store Totals for rows and columns.
Then insert Matrix calculations plugin and adjust the following parameters:
![](../../__attachments/44924938/image2022-1-18_15-39-36.png?inst-v=782736d0-8879-4791-b558-515790c9ddd1)
Question - Reference to a question for calculating totals using the Qx notation.
Formula - Select the statistics to calculate the score, which can be Sum or Average.
Calculate - Select whether you want to calculate totals for rows, columns or both.
![](../../__attachments/44924938/image2022-1-19_13-57-9.png?inst-v=782736d0-8879-4791-b558-515790c9ddd1)
After the plugin is applied, the total sum of the rows, columns or both will be automatically calculated.
![](../../__attachments/44924938/image2022-1-19_13-58-53.png?inst-v=782736d0-8879-4791-b558-515790c9ddd1)
If you fill the Matrix cells by the Set Value, the calculation will not be implemented automatically. You need to focus on the field to make the calculation done.