**Daily update | 20 March, 2023**

# StackExchange

#### How to interpret regression negative interaction coefficient

**Source:** stats**Views:** 64**Score:** 3**Tags:** regression multiple-regression interaction

#### L1 & L2 double role in Regularization and Cost functions?

**Source:** stats**Views:** 53**Score:** 3**Tags:** regularization loss-functions

#### Why is the Central Limit applicable in A/B testing?

**Source:** stats**Views:** 120**Score:** 3**Tags:** inference experiment-design central-limit-theorem random-allocation

#### Finding the smallest subset s.t. all elements satisfy condition, using as few tests as possible

**Source:** cs**Views:** 16**Score:** 2**Tags:** algorithms optimization search-problem

#### What are the methods to increase the dimension of a feature space?

**Source:** stats**Views:** 120**Score:** 2**Tags:** machine-learning feature-engineering