mrafi wrote:
Hey All,
I am working with numpy
I have a data set with a lot of nan values, and i want to calculate standard
deviation
is there a direct function to do it for example nansum(or something like
this),
to calculate standard deviation ignoring nan values??
You will want to ask numpy questions on the numpy-discussion mailing list.
http://www.scipy.org/Mailing_Lists
scipy.stats.nanstd() implements this. Additionally, data[~isnan(data)].std()
works unless if you need to apply the std() along just one axis.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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