Check kwargs description for all df and series plot submethods

[dukebody]

After the Pandas Sprint we have had many changes, see in a week or so if they are consistent. See #20155 (comment)

The description of this parameter for all df/series.plot.* methods should be

Additional keywords are documented in :meth:`pandas.Series.plot`

(respectively with pandas.DataFrame.plot)

Assign to myself.

[jorisvandenbossche]

Yes, good idea. Also some others things varied a bit between PRs (the see also's, the return value (whether ndarray was explained), the summary line), those probably can use a clean-up as well when all plotting PRs are in.

[dukebody]

Cool. I have the list of df.plot method my local chapter (BCN) worked on so I can check this.

Apart from the kwargs description, can you comment on the rest of sections do you think that need consolidation? I'm not sure about what are the divergences in the "see also" and summary line that we would need to unify.

[jorisvandenbossche]

I would check some general things like:

• Are the summary lines a bit consistent in format (like "draw" vs "genererate" vs "make" as verb)
• In the See also, use somewhat consistent explanations. Eg DataFrame.plots is explained as " Make plots of a DataFrame." or "Make plots of DataFrame using matplotlib." (I don't think the matplotlib is needed), and in some cases not linked.
• The returns section: sometimes the ndarray is explained, and sometimes not