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### OLS loss function 3-d surface plot

I was trying to plot the OLS loss function as a function of coefficients $\beta_0$, $\beta_1$. As far as I know it should be a convex function with one local minimum which is also a global minimum. I'...
43 views

### Why is L2 regression good for handling multicollinearity? [duplicate]

Looking for an intuitive explanation, thanks.
80 views

### What modeling problem does ridge regression solve?

If your modeling problem is that you have too many features, a solution to this problem is LASSO regularization. By forcing some feature coefficients to be zero, you remove them, thus reducing the ...
28 views

### Ridge regression algorithm [duplicate]

Could someone explain how ridge regression algorithm works, step by step? Without focusing too much on formulas but rather how the mechanism works.