When I can split my dataset into training and validation set before PCA or after PCA?

user_12860924 0
Viewed 106

I want to split my dataset to training and validation sets I don't know whether I should split the dataset before applying pca dimensionality reduction or after pca to avoid leakage of data.

Any help would be appreciated.

conv-neural-network deep-learning training-data validation python
1 Answers

The dataset should split before applying PCA to avoid leakage of data

user_128609240
Related