Machine Learning, Data Science, Programming.
linear relationship between them. E.g. If X_2 = λ*X_1, then we say that X_1 and X_2 are colinear. If you’re using derived features in your regressions, it’s likely that you’ve introduced collinearity. E.g adding another predictor X_3 = X1**2. Occasionally, collinearity exists in naturally in the