**Daily update | 01 November, 2022**

# StackExchange

#### How bad is stepwise regression at pure prediction?

**Source:** stats**Views:** 27**Score:** 4**Tags:** regression predictive-models stepwise-regression

#### Why do people use log(x+1) or log(y+1) as their independent/dependent variable?

**Source:** stats**Views:** 179**Score:** 3**Tags:** regression logarithm

#### Least squares fit of a rational function

**Source:** cs**Views:** 33**Score:** 2**Tags:** computational-geometry modelling least-squares

#### Which non-parametric test should i use to compare 2 independent groups when i have several ties (Wilcoxon not good for this weird sample)?

**Source:** stats**Views:** 15**Score:** 2**Tags:** hypothesis-testing nonparametric wilcoxon-mann-whitney-test

#### How to derive OLS estimator in matrix term

**Source:** stats**Views:** 33**Score:** 1**Tags:** least-squares