**Daily update | 17 January, 2023**

# StackExchange

#### In OLS, does the uncorrelatedness between regressors and residuals require a constant?

**Source:** stats**Views:** 100**Score:** 6**Tags:** least-squares residuals estimators

#### On distribution of angle $Z$ for a random triangle

**Source:** stats**Views:** 47**Score:** 4**Tags:** probability conditional-probability

#### In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices?

**Source:** cs**Views:** 32**Score:** 3**Tags:** algorithms time-complexity matrices multiplication

#### Self referential hash function possible?

**Source:** cs**Views:** 19**Score:** 2**Tags:** algorithms computability hash cryptography fixed-point

#### Meta-Analysis: Summarizing several effects of a study

**Source:** stats**Views:** 6**Score:** 2**Tags:** r mixed-model meta-analysis metafor forest-plot