Add numeric_only=True in remaining pandas functions

[raphaelvallat]

See https://pandas.pydata.org/pandas-docs/version/1.5/whatsnew/v1.5.0.html?highlight=numeric_only

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (fdb3c60) 98.54% compared to head (947e420) 98.54%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #396 +/- ## ======================================= Coverage 98.54% 98.54% ======================================= Files 19 19 Lines 3359 3359 Branches 547 547 ======================================= Hits 3310 3310 Misses 26 26 Partials 23 23 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.