**Daily update | 15 March, 2023**

# StackExchange

#### What does it mean for $\hat\beta_1$ and $\hat\beta_0$ to have a variance?

**Source:** stats**Views:** 62**Score:** 5**Tags:** regression variance least-squares econometrics regression-coefficients

#### Relationship between z-score and the normal distribution

**Source:** stats**Views:** 317**Score:** 5**Tags:** mathematical-statistics normal-distribution z-score

#### Warnings for confint() in lme4

**Source:** stats**Views:** 20**Score:** 3**Tags:** r regression mixed-model lme4-nlme singular-matrix

#### Regression and sampling issues : risk of selection bias when estimating gender gap?

**Source:** stats**Views:** 7**Score:** 2**Tags:** regression sampling bias

#### forecasting with future/advanced booking data

**Source:** stats**Views:** 7**Score:** 2**Tags:** time-series forecasting