**Daily update | 15 January, 2023**

# StackExchange

#### Reject null hypothesis and alternative hypothesis simultaneously?

**Source:** stats**Views:** 72**Score:** 5**Tags:** hypothesis-testing chi-squared-test

#### Ideas for a loss function to use for a cost sensitive problem setting?

**Source:** stats**Views:** 11**Score:** 3**Tags:** loss-functions mse

#### Can we consider the loadings as a proxy for correlation, in a Principal Component Analysis (PCA)?

**Source:** stats**Views:** 14**Score:** 2**Tags:** correlation pca multivariate-analysis definition

#### Finding existence(or non existence) of spanning tree with a specific degree on a specific vertex

**Source:** cs**Views:** 44**Score:** 1**Tags:** graphs spanning-trees

#### How to combine two integrals containing the PDFs of a variable and its linear transform?

**Source:** stats**Views:** 32**Score:** 1**Tags:** random-variable density-function cumulative-distribution-function integral