**Daily update | 13 May, 2022**

# StackExchange

#### Why rectangle packing is NP-hard but maybe not in NP?

**Source:** cs**Views:** 566**Score:** 4**Tags:** np-hard np decision-problem

#### Testing sequence of ones and zeros for randomness

**Source:** stats**Views:** 19**Score:** 2**Tags:** hypothesis-testing binomial-distribution normal-approximation

#### Gauss-Markov with $p>n$

**Source:** stats**Views:** 22**Score:** 2**Tags:** regression mathematical-statistics linear underdetermined gauss-markov-theorem

#### How to plot a ROC curve for object detection without classification?

**Source:** stats**Views:** 16**Score:** 2**Tags:** neural-networks roc yolo

#### A misspecification error with linear models that can complete reverse the direction of an effect, has this been described, has this a name?

**Source:** stats**Views:** 27**Score:** 2**Tags:** regression linear-model history philosophical misspecification