**Daily update | 11 March, 2022**

# StackExchange

#### Density function of a dependent sum of products of normal random variables

**Source:** stats**Views:** 16**Score:** 3**Tags:** density-function joint-distribution mixed-random-variable

#### Probability of finding an object on the beach: Bayes theorem

**Source:** stats**Views:** 20**Score:** 1**Tags:** bayesian inference conditional-probability prior environmental-data

#### Matrix inverse step in SVD & ridge regression

**Source:** stats**Views:** 36**Score:** 1**Tags:** least-squares matrix linear-algebra svd

#### Propensity Score Matching with Covariates pre-treatment

**Source:** stats**Views:** 16**Score:** 1**Tags:** regression statistical-significance econometrics difference-in-difference propensity-scores

#### What to do about a predictor with a feature importance so high above the others that it is the only determining factor in my machine learning model?

**Source:** datascience**Views:** 13**Score:** 1**Tags:** machine-learning classification logistic-regression feature-engineering