**Daily update | 25 February, 2023**

# StackExchange

#### How to fix the problem in this XKCD comic?

**Source:** stats**Views:** 1125**Score:** 11**Tags:** r lme4-nlme clustered-standard-errors

#### Optimize the number of individuals inside a sample

**Source:** stats**Views:** 55**Score:** 6**Tags:** estimation optimization loss-functions

#### Show that the two random variables with F-distribution are independent

**Source:** stats**Views:** 144**Score:** 3**Tags:** probability self-study independence f-distribution

#### What would it take for the omitted-variable bias from multiple omitted variables to cancel out?

**Source:** stats**Views:** 30**Score:** 2**Tags:** regression mathematical-statistics regression-coefficients bias omitted-variable-bias

#### How does multicollinearity between some variables affect non-collinear ones?

**Source:** stats**Views:** 14**Score:** 2**Tags:** multicollinearity