**Daily update | 12 April, 2023**

# StackExchange

#### What can we do in order to find customers that follow a specific pre-defined pattern?

**Source:** datascience**Views:** 7**Score:** 2**Tags:** machine-learning clustering statistics optimization hypothesis-testing

#### Evaluation of a recommendation system. How can I do that?

**Source:** stats**Views:** 16**Score:** 2**Tags:** machine-learning model-evaluation recommender-system

#### Inspecting and modeling residual autocorrelation with gaps in linear mixed effects models

**Source:** stats**Views:** 13**Score:** 1**Tags:** r regression mixed-model lme4-nlme autocorrelation

#### Structural equivalence of self-referential structures

**Source:** cs**Views:** 21**Score:** 1**Tags:** programming-languages directed-graphs

#### How to use control variate method to estimate $\theta = \int_{1}^{\infty}\frac{x^2}{\sqrt{2\pi}}e^{-x^2/2}dx$

**Source:** stats**Views:** 28**Score:** 1**Tags:** monte-carlo numerical-integration