**Daily update | 10 May, 2023**

# StackExchange

#### Should I pool multiple observations from the same experimental unit, or use mixed effects models

**Source:** stats**Views:** 36**Score:** 4**Tags:** mixed-model mixed-type-data

#### Incorrectly Using the Word "Causal" to Describe a Regression Model?

**Source:** stats**Views:** 444**Score:** 4**Tags:** regression terminology causality

#### Why feature scaling does not affect prediction output in regression?

**Source:** stats**Views:** 137**Score:** 3**Tags:** regression least-squares feature-scaling

#### Identical output for unadjusted and adjusted mixed effect model with lme4 in R

**Source:** stats**Views:** 22**Score:** 3**Tags:** r mixed-model lme4-nlme

#### When is an instrument too strong in the first stage?

**Source:** stats**Views:** 18**Score:** 3**Tags:** r instrumental-variables 2sls