Preprocessing in scikit learn – single sample – Depreciation warning

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Just listen to what the warning is telling you:

Reshape your data either X.reshape(-1, 1) if your data has a single feature/column
and X.reshape(1, -1) if it contains a single sample.

For your example type(if you have more than one feature/column):

temp = temp.reshape(1,-1)

For one feature/column:

temp = temp.reshape(-1,1)

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