A Comprehensive Guide to Dimensionality Reduction

An exhaustive compilation of dimensionality reduction techniques.

You are performing predictive analytics with 100s of features, and your model is taking an exceptionally long time to train, and the results are still not satisfactory!!!

Looks like an issue we all face at one point or another, so what approach should we take to handle the problem?

The first step is to explore the input features to check if you need all of the input features or if you…