**Daily update | 18 February, 2022**

# StackExchange

#### Does it make sense to interact two uncorrelated independent variables in linear regression?

**Source:** stats**Views:** 115**Score:** 6**Tags:** regression correlation interaction panel-data

#### How can you evaluate the representativeness of a sample for a given distribution?

**Source:** stats**Views:** 15**Score:** 3**Tags:** distributions mathematical-statistics dataset likelihood representative

#### What is the name for this minimal satisfying set covering problem?

**Source:** cs**Views:** 37**Score:** 3**Tags:** algorithms np-complete combinatorics minimum-spanning-tree set-cover

#### Why are parametric models usually robust to mild misspecification?

**Source:** stats**Views:** 19**Score:** 2**Tags:** mathematical-statistics maximum-likelihood misspecification parametric

#### $k$-Opt TSP Local Search is exact when $k = |V| - 1$

**Source:** cs**Views:** 39**Score:** 2**Tags:** algorithms graphs traveling-salesman hamiltonian-circuit