**Daily update | 30 August, 2022**

# StackExchange

#### Does it ever make sense to use the sum of the pre and post measure means?

**Source:** stats**Views:** 41**Score:** 3**Tags:** experiment-design descriptive-statistics pre-post-comparison

#### Why is the denominator in a conditional probability the probability of the conditioning event?

**Source:** stats**Views:** 71**Score:** 3**Tags:** probability conditional-probability

#### R and Stata show different results when I run zero-inflated Poisson in each program. Why does this occur?

**Source:** stats**Views:** 12**Score:** 2**Tags:** r regression regression-coefficients stata zero-inflation

#### Flip test and control group in causal inference to get sufficient sample sizes for synthetic control

**Source:** stats**Views:** 7**Score:** 2**Tags:** hypothesis-testing experiment-design causality design-based-inference

#### Multinomial mixed effect regression?

**Source:** stats**Views:** 21**Score:** 2**Tags:** mixed-model multinomial-distribution