Changing the legend title

[gioarma]

Problem

When I have a DataFrame df with 2 or more columns and plot it with df.hvplot() I get a legend for all my columns and the title of the legend is 'Variable'.

Solution I'd like

I would like to have the possibility to set the legend title, or to disable it, because most of the times 'Variable' is not the best way to describe the elements in the legend.

I tried to look into the holoviews opts, but I didn't find something like legend_title or similar, which I think would be the best solution.

Did I miss something? Is there already a way to do this?

[philippjfr]

There is indeed setting the group_label will change that title.

[gioarma]

Yes, thanks! This should definitely be written in the user guide

[florentbr]

Is it possible to hide this 'Variable' group_label ? Packages like mathplotlib, bokeh and hollowview don't show a group label by defaut. Is there a reason to display it when it's not even specified in the options ?

[jbednar]

I think I agree; the label "Variable" doesn't seem to add anything to what a user can already see is a legend.

[gioarma]

I completely agree, I would remove as well the default legend title "Variable"