**Daily update | 14 September, 2023**

# StackExchange

#### Relative variable importance/explained variation from a single model fit

**Source:** stats**Views:** 297**Score:** 4**Tags:** regression nonlinear-regression importance

#### Imbalanced logistic elasticnet regression

**Source:** stats**Views:** 38**Score:** 2**Tags:** elastic-net

#### Does P(Y|X)=const. in the whole P(Y,X) imply that P(X|Y) also remains constant? Or is covariate shift the same as label shift?

**Source:** stats**Views:** 37**Score:** 2**Tags:** machine-learning conditional-probability covariate-shift data-drift

#### Proportional hazard assumption: graphical approach vs subsampling

**Source:** stats**Views:** 13**Score:** 2**Tags:** survival data-visualization cox-model hazard proportional-hazards

#### What is the probability of $P(X>Y>0)$ where $X$ and $Y$ standard normal distribution with correlation $\rho$?

**Source:** stats**Views:** 75**Score:** 2**Tags:** probability normal-distribution