abtester

Theory and implementatuon of various A/B experiments

Currently
Added examples for:

Standard T-test
Mann-Whitney U-test
Bootstrapped testing

Added theory for:

Standard tests
CUPED

Upcoming: A/B tests speed up

Stratification
Time dependency (A/B on WoW Changes, not raw values)
Linearization
CUPED
Bucketing

Interesting articles:

How to check A/B splitting systems, article
A/B at Avito
A/B framework at Airbnb
Presentation from Yandex
Technique for multiple A/B tests at Google
Comparison of various test statistics power from VK