It would be awesome if box- and violinplot accept an alpha value

[habi]

Sometimes I would like to make very subdued box- or violinplots.
It would be nice if they would accept an alpha-value as for example barplot does.

violinplot just does nothing with the parameter, while boxplot fails with a TypeError about the unexpected keyword argument 'alpha'.

[habi]

Sorry, forgot to mention:

• seaborn version 0.7.1
• matplotlib version 1.5.3
• running in Jupypter under Python '3.5.2 |Anaconda 4.2.0 (64-bit)| (default, Jul 5 2016, 11:41:13) [MSC v.1900 64 bit (AMD64)]'

[mwaskom]

It may be awesome, but there are enough complexities that it isn't going to happen; sorry. See also #979

[habi]

OK. I just found it strange that barplot accepts alpha and the other two don't. I'll use the workaround mentioned in the other issue, thanks.

[mwaskom]

If you look at the function signature you'll see that alpha isn't a parameter of barplot. But barplot passes its kwargs to the underlying matplotlib function plt.bar. The underlying matplotlib function for boxplot doesn't do anything with an alpha parameter and there's no single underlying matplotlib function for violinplot, hence the behavior that you see.