Re: [Matplotlib-users] heatmap and masked values

[Christian M. <mee...@im...>]

> Christian:  That should work, if you created the masked array 
> correctly.  Why are you creating the mask with data=='NA'?  I suspect 
> that this always evaluates to False, so you don't get a mask.  You 
> probably want to check for a numeric value, not a string.  For example:
Thanks a lot, Jeff!

Yes, the non-numerical comparison was indeed causing problems - although
I don't understand why.

However, I can easily inject numerical non-sense values into the array.
As to the 'NA': The data are an R output file. As I don't like R too
much, I'm falling back to Python.

Christian