Recent questions tagged Numpy

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Q: How to split data into 3 sets (train, validation and test)?

I wish to divide pandas dataframe to 3 separate sets. I know by using train_test_split from sklearn.cross_validation, ... ? kindly help Select the correct answer from above options...

asked Jan 22, 2022 in Education by JackTerrance

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Q: Convert array of indices to 1-hot encoded numpy array

I want to encode a 1-D numpy array: x = array([1,0,3]) As a 2-D 1-hot array y = array([ ... some faster technique other than looping. Select the correct answer from above options...

asked Jan 22, 2022 in Education by JackTerrance

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Q: What is the difference between size and count in pandas?

What exactly is the difference between groupby("x").count and groupby("x").size in Pandas? Select the correct answer from above options...

asked Jan 21, 2022 in Education by JackTerrance

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