We introduce the matrix multivariate auto-distance covariance and correlation functions for time series, discuss their interpretation and develop consistent estimators for practical implementation. We ...

In a previous post, I wrote about how to get started with website testing, both choosing which pages to test and how to define which elements will contribute the most to profits. However, there are ...

Multivariate testing, with its many combinations, creative needs, and more demanding implementation, is a great place for larger organizations to implement more rigorous processes. Testing helps build ...

Multivariate statistical inference encompasses methods that evaluate multiple outcomes or parameters jointly, allowing researchers to understand complex interdependencies within data. Permutation ...

A/B testing is nothing new. So why do so many businesses still fail to do it? Conducting online A/B and multivariate testing is nothing new. The practice has been around for decades now, with Google ...

This is a preview. Log in through your library . Abstract In this paper, we argue that claims of necessity and sufficiency involve a type of asymmetric causal claim that is useful in many social ...