**Daily update | 03 June, 2022**

# StackExchange

#### Strange definition of coefficient of determination

**Source:** stats**Views:** 106**Score:** 3**Tags:** regression time-series linear-model r-squared pearson-r

#### How to interpret a low level of classification?

**Source:** stats**Views:** 24**Score:** 2**Tags:** machine-learning classification unbalanced-classes

#### LASSO and duality theorem

**Source:** stats**Views:** 14**Score:** 2**Tags:** optimization lasso regularization constrained-optimization duality

#### Two-sample Kolmogorov-Smirnov discrete distributions

**Source:** stats**Views:** 32**Score:** 2**Tags:** hypothesis-testing discrete-data two-sample

#### Is $\min(k_1(x, y), k_2(x, y))$ a positive definite kernel?

**Source:** stats**Views:** 21**Score:** 2**Tags:** kernel-trick