**Daily update | 19 November, 2022**

# StackExchange

#### What is "one" in leave-one-out cross validation

**Source:** stats**Views:** 44**Score:** 3**Tags:** cross-validation information-theory

#### Correlation coefficient percentage is low considering relationship between variables

**Source:** stats**Views:** 24**Score:** 3**Tags:** regression correlation linear r-squared

#### Understanding StatQuest video: why cross entropy is used over Sum Squared Error

**Source:** stats**Views:** 93**Score:** 3**Tags:** machine-learning loss-functions cross-entropy

#### Algorithm: Optimal selection of subset of nodes in undirected graph to minimize score

**Source:** cs**Views:** 39**Score:** 2**Tags:** algorithms graphs optimization

#### How to prove $\mathcal{I}_{1}(\eta) = \mathcal{I}_{1}(\theta)[h'(\eta)]^{2}$ where $\mathcal{I}_{1}$ is the Fisher information and $\theta = h(\eta)$?

**Source:** stats**Views:** 45**Score:** 2**Tags:** self-study mathematical-statistics fisher-information