To check the homogeneity of a data series, use the menu Quality Control ‣ Homogeneity Test  . This menu allows you to detect if there are multiple changepoints or shifts in a data series, and adjust the shifts found from the data series.
It will display a tabbed widget on the left panel, allows to enter the inputs data and parameters.

The tab   Data     allows to enter the inputs data and set the parameters for the test.