you will want to fit a scaler (mean / standard deviation) https://scikit-learn.org/stable/modules/preprocessing.html --- on the training data, and then use that scaling model on the test/validation
Because you will not have test data available at training time... but you are using the data in the scaling currently.
you will want to fit a scaler (mean / standard deviation) https://scikit-learn.org/stable/modules/preprocessing.html --- on the training data, and then use that scaling model on the test/validation
Because you will not have test data available at training time... but you are using the data in the scaling currently.