Data_2d = data.reshape(-1, 1)

M4. Linear Models M4. Exercise M4.02
#1

reshape(-1,1) ??? it works, but why?

#2

I answer myself:
from stackoverflow

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#3

It creates a second dimension and therefore gets a data matrix of shape (n_samples, 1) from a 1d-vector of shape (n_samples,).

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#4

thanks for sharing! This is a great thread with detailed explanation. Clarified how reshape works to me.