Doing an expression in panda instead of numpy


This Content is from Stack Overflow. Question asked by Walid

I hope you’re doing well,

I was actually doing this expression :

<class 'numpy.ndarray'>
np.array(w[0] + w[1]*np.array(X[:,0]) + w[2]*np.array(X[:,1]))

Now I have a Panda array and I wanna do it the same way but without converting it to numpy, so what is the equivalent of this expression in pandas

<class 'pandas.core.frame.DataFrame'>

Thank you very much in advance


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