**Daily update | 11 August, 2022**

# StackExchange

#### Unbiasing estimator of $\|\Sigma\|_F^2$

**Source:** stats**Views:** 55**Score:** 3**Tags:** normal-distribution estimation unbiased-estimator moments

#### Can I use Pearson correlation for discrete variables?

**Source:** stats**Views:** 23**Score:** 3**Tags:** correlation

#### General form of the distribution of distances to a fixed point in rectangle

**Source:** stats**Views:** 15**Score:** 3**Tags:** probability distributions uniform-distribution

#### Are coordinates (e.g. Point(123, -123)) considered interval data?

**Source:** stats**Views:** 72**Score:** 3**Tags:** categorical-data data-visualization data-transformation dataset exploratory-data-analysis

#### ARIMA predictions look shifted by one unit of time

**Source:** datascience**Views:** 16**Score:** 2**Tags:** time-series forecasting arima statsmodels pacf