**Daily update | 21 March, 2023**

# StackExchange

#### find the difference between the expected sales and the actual sales

**Source:** stats**Views:** 197**Score:** 4**Tags:** time-series

#### How should interactions be modeled in mixed-models?

**Source:** stats**Views:** 153**Score:** 3**Tags:** mixed-model lme4-nlme

#### How could I estimate a transition probability matrix that varies over time?

**Source:** stats**Views:** 20**Score:** 2**Tags:** r econometrics markov-process transition-matrix

#### What exactly needs to be independent in GLMs?

**Source:** stats**Views:** 29**Score:** 2**Tags:** regression poisson-distribution poisson-regression

#### How can the pooled slope be outside the sample-specific slopes

**Source:** stats**Views:** 26**Score:** 2**Tags:** interaction