[Numpy-discussion] cov

Alan G Isaac aisaac@american....
Mon Feb 15 10:46:40 CST 2010


> On Mon, Feb 15, 2010 at 8:42 AM, Alan G Isaac<aisaac@american.edu>  wrote:
>> >  1. Should `numpy.cov` use `ddof` instead of `bias`,
>> >  like `std` and `mean`?


On 2/15/2010 9:31 AM, josef.pktd@gmail.com wrote:
> +1
>
> (I just checked scipy stats and the usage of bias versus ddof is also
> inconsistent. Is there an interpretation for a general ddof for skew
> and kurtosis, or does only the binary choice bias=True/False make
> sense?)



So then this should get into 2.0 and not wait, right?

Should I open a ticket for this?

As for the SciPy functions, I also thought they should change
to the new keyword, but this seems less pressing at the moment.

Alan



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