**Daily update | 22 January, 2023**

# StackExchange

#### Asymptotic variance of a single parameter in linear regression

**Source:** stats**Views:** 33**Score:** 2**Tags:** regression econometrics asymptotics

#### Heteroscedasticity robust variance-covariance matrix for weighted multivariate regression

**Source:** stats**Views:** 13**Score:** 1**Tags:** r heteroscedasticity covariance-matrix weighted-regression multivariate-regression

#### Does it make sense to transform a feature containing hours (24h) into two features with xy-coordinates of each hour in the space?

**Source:** stats**Views:** 10**Score:** 1**Tags:** clustering feature-engineering euclidean feature-scaling

#### Problems with proof of NP-completness of SAT following Cooks original paper

**Source:** cs**Views:** 11**Score:** 1**Tags:** complexity-theory np-complete np-hard satisfiability

#### Fitting ARMA(p, q) parameters simultaneously vs. sequentially

**Source:** stats**Views:** 17**Score:** 1**Tags:** estimation arima optimization moving-average