**Daily update | 25 February, 2022**

# StackExchange

#### Bernoulli random variables and correlation coefficient

**Source:** stats**Views:** 25**Score:** 3**Tags:** probability correlation binomial-distribution

#### How to show the Hansen-Hurwitz estimator is unbiased?

**Source:** stats**Views:** 17**Score:** 2**Tags:** mathematical-statistics sampling unbiased-estimator

#### Definition of autocorrelation?

**Source:** stats**Views:** 14**Score:** 2**Tags:** time-series correlation covariance

#### Why is $\mathsf{P} \subseteq \oplus \mathsf{P}$?

**Source:** cs**Views:** 30**Score:** 1**Tags:** complexity-theory complexity-classes

#### If going with the opposite prediction of a bad predictor gives good predictions, why not do that?

**Source:** stats**Views:** 20**Score:** 1**Tags:** machine-learning probability predictive-models binary-data auc