ndrean
Calculate a division with Nx?
I want to calculate the ratio COV(X,Y) / VAR(X) of two vectors. Each function returns a Tensor of singleton type. There is no Nx.div and I didn’t find how to cast a (1,1) tensor into a float.
Any clue?
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polvalente
There are Nx.divide and Nx.quotient. You also probably don’t need to explicitly cast to float, although you can with Nx.as_type.
Finally, Scholar has a covariance function (https://github.com/elixir-nx/scholar/blob/main/lib/scholar/covariance.ex) which might be useful. You have to install from github, though.
Nx.variance is there already, though.
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ndrean
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