List questions from regression | MathQA

What statistical test should I use to test the impact of Debt ratios (has 4 types of ratios) on Liquidity ratios (has 5 types of ratios) of 5 sectors?

Published on 01 Apr 2026 - 10:24

Hypothesis Test on variance in regression

Published on 30 Mar 2026 - 8:54

Uniqueness of MLE for Poisson Regression

Published on 31 Mar 2026 - 10:36

Probability Distribution of simple linear regression outcomes

Published on 12 Jan 2021 - 14:34

Linear and logistic regression

Published on 26 Mar 2026 - 21:13

LASSO: Dual form problem.

Published on 18 Jan 2021 - 0:03

How to derive the kth coefficient standard error?

Published on 23 Feb 2026 - 6:35

Orthogonal projection onto affine subspaces formula

Published on 18 Jan 2021 - 10:59

Taylor series expansion or polynomial regression which is the correct term here for finding an analytical estimate for an unknown function?

Published on 19 Jan 2021 - 8:40

n samples all sampled from N(mu,1), the sampling process is NOT i.i.d, how to estimate mu?

Published on 02 Apr 2026 - 1:24

Show that if $||Y - X_j\hat{\beta}_j||^2_2 < ||Y - X_{j^}\hat{\beta}_{j}||^2_2$ then $X_j^TY/||X_j||_2 \geq \pm X_{j}^TY/||X_{j}||_2$

Published on 19 Jan 2021 - 19:41

Where does the Normal Distribution of Error terms come from, and why?

Published on 21 Jan 2021 - 10:34

Making sense of GLM's problem setting

Published on 30 Mar 2026 - 9:02

Singular value decomposition on a polynomial

Published on 01 Apr 2026 - 5:40

Norm of regularized least square estimator

Published on 23 Feb 2026 - 8:28