You can change selections during data analysis. You change the selections in the selections bar.
Do the following:
Switch to sheet view.
In the selections bar above the sheet, click the selection that you want to edit.
A popup window with the selection appears.
In the popup window, select the values that you want to add or clear.
You can search and filter your selections using the special characters, operators, wildcards, and methods described in Searching within selections or visualizations.
Confirm your selection.
The selection is updated.