Covariance matrix syntax

[Markos]

Hi Meghna,

I organized some tutorials about Machine Learning for Chemistry with Python.

Where you can find some info about the use of Covariance Matrix that may 
help you.

The originals are in Portugueese, but you can read using Google Translator:

https://tinyurl.com/yybazx9n

https://tinyurl.com/y29mule6

https://tinyurl.com/yxtg4tce

Best Regards,
Markos

Em 19-10-2020 02:23, Meghna Karkera escreveu:
> Dear Sir
>
> I am unable to find the *formula for covariance* used in np.cov syntax in
> PYTHON given in link
> https://numpy.org/doc/stable/reference/generated/numpy.cov.html.  Could you
> please help me out.
>
> Thanks
> Meghna
>
> On Tue, Oct 13, 2020 at 11:46 AM Christian Gollwitzer <auriocus at gmx.de>
> wrote:
>
>> Am 13.10.20 um 06:52 schrieb Meghna Karkera:
>>> Could you let me know what is the back end calculation of this covariance
>>> matrix syntax np.cov
>>>
>> You can look it up yourself: Go to the docs
>> https://numpy.org/doc/stable/reference/generated/numpy.cov.html
>>
>> At the right hand side, just right of the function signature, there is a
>> link [source]. Click there and it takes you to the implementation.
>>
>> Apparently it is done in straightforward Python.
>>
>>          Christian
>>
>> PS: Snipped a lot of unrelated citation at the bottom
>>
>>> On Tue, Oct 13, 2020, 10:14 Bruno P. Kinoshita <
>> brunodepaulak at yahoo.com.br>
>>> wrote:
>>> [...]
>>>> I think the np.cov is from the numpy module (imported/aliased as np?).
>> --
>> https://mail.python.org/mailman/listinfo/python-list
>>