How to change the frequency of the data in a document?

Click on Series list and select the desired frequency from the frequency drop-down list.

You can also further adjust conversion method used in the file in Conversion settings tab.

This operation takes precedence before all other calculations, including formula functions in the Series list. If you wish to change the frequency as an intermediate step in the analysis, use the Frequency conversion analysis.

For more information:

Frequency conversion

Changing the frequency of a series