**Daily update | 10 July, 2023**

# StackExchange

#### Understanding Why (or Why Not) a T-Test Require Normally Distributed Data?

**Source:** stats**Views:** 151**Score:** 4**Tags:** hypothesis-testing t-test convergence normality-assumption

#### Using regression where the ultimate goal is classification

**Source:** stats**Views:** 177**Score:** 3**Tags:** regression classification multi-class

#### calculation of standard deviation of the mean changes from the p-value or z-value of the Wilcoxon test

**Source:** stats**Views:** 74**Score:** 3**Tags:** standard-deviation meta-analysis effect-size wilcoxon-signed-rank z-statistic

#### PCA Derivation with maximizing projection length

**Source:** stats**Views:** 58**Score:** 2**Tags:** pca matrix

#### Poisson regression with small denominators/counts

**Source:** stats**Views:** 49**Score:** 2**Tags:** r generalized-linear-model poisson-regression count-data