How to convert one-hot encodings into integers?

Question

I have a numpy array data set with shape (100,10). Each row is a one-hot encoding. I want to transfer it into a nd-array with shape (100,) such that I transferred each vecto

Answer 1

While I strongly suggest to use numpy for speed, mpu.ml.one_hot2indices(one_hots) shows how to do it without numpy. Simply pip install mpu --user --upgrade.

Then you can do

>>> one_hot2indices([[1, 0], [1, 0], [0, 1]])
[0, 0, 1]