**Daily update | 30 July, 2022**

# StackExchange

#### What is the derivation for "Partial Expectation"?

**Source:** stats**Views:** 167**Score:** 5**Tags:** distributions conditional-expectation lognormal-distribution partial-moments

#### How to simulate the St. Petersburg paradox

**Source:** stats**Views:** 42**Score:** 4**Tags:** expected-value simulation

#### What does it mean having 1 as best k parameter in K-NN?

**Source:** stats**Views:** 29**Score:** 2**Tags:** machine-learning python scikit-learn hyperparameter k-nearest-neighbour

#### Calculating "accuracy", "recall" etc. without classification

**Source:** stats**Views:** 26**Score:** 2**Tags:** model-evaluation accuracy precision-recall sensitivity-specificity

#### Playing with boxes: NP-hard? [Graph Theory]

**Source:** cs**Views:** 28**Score:** 2**Tags:** algorithms complexity-theory graphs sorting combinatorics