**Daily update | 03 July, 2022**

# StackExchange

#### Why are my test data R-squared's identical despite using different training data?

**Source:** stats**Views:** 112**Score:** 3**Tags:** r lm

#### PCA followed by UMAP then go into Random Forest

**Source:** datascience**Views:** 76**Score:** 2**Tags:** pca python-3.x

#### Why do we find evidence against null hypothesis in hypothesis testing?

**Source:** stats**Views:** 32**Score:** 1**Tags:** hypothesis-testing inference

#### Can a simple distance to a few nearest data points be used a measure of the uncertainty of a prediction?

**Source:** datascience**Views:** 6**Score:** 1**Tags:** regression gaussian-process uncertainty

#### Python/numpy - conditional sampling of variables, distribution of subsequent value is based on result of previous value

**Source:** stats**Views:** 19**Score:** 1**Tags:** distributions python sampling random-generation numpy