**Daily update | 02 May, 2023**

# StackExchange

#### If the null hypothesis is never really true, is there a point to using a statistical test without a priori power analysis?

**Source:** stats**Views:** 365**Score:** 7**Tags:** hypothesis-testing statistical-significance statistical-power

#### Is there such a thing as $coW[1]$-hardness?

**Source:** cs**Views:** 26**Score:** 3**Tags:** complexity-theory reductions complexity-classes parameterized-complexity

#### Upper bound on risk in structural risk minimization

**Source:** stats**Views:** 18**Score:** 2**Tags:** machine-learning

#### How do you estimate multiple poisson rates simultaneously?

**Source:** stats**Views:** 28**Score:** 2**Tags:** multivariate-analysis poisson-regression multinomial-distribution

#### Wilcoxon Rank Test Pre/Post By gender

**Source:** stats**Views:** 18**Score:** 2**Tags:** wilcoxon-signed-rank pre-post-comparison