[Matplotlib-users] Setting the whisker range for box plots

[Derek H. <DH...@cs...>]

I would like to have the extreme end of the upper whisker
on the box plot co-incide with the 98% of the data.
 
According to the documents:
whis (default 1.5) defines the length of the whiskers as        
a function of the inner quartile range.  They extend to the        
most extreme data point within ( whis*(75%-25%) ) data range.

So, in theory, a value of whis=1.9 should be what is needed
but this seems to produce a much lower point - what value 
do I need to use?

Thanks
Derek

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