R package, implementing a three steps variable selection procedure based on random forests. Initially developed to handle high dimensional data (for which number of variables largely exceeds number of ...

Abstract: We derive the characteristic function (CF) for two product distributions—first for the product of two Gaussian random variables (RVs), where one has zero mean and unity variance, and the ...

Abstract: It is well known that the entropy H(X) of a discrete random variable X is always greater than or equal to the entropy H(f(X)) of a function f of X, with equality if and only if f is ...

You have probably heard the term “rewiring” and felt a little alarmed about it happening to your child. But the fact is that our brains are always rewiring themselves because this is how brains grow ...

ABSTRACT: Background: The gut microbiota, as a vital “microbial organ” in the human body, has attracted increasing attention for its close relationship with cardiovascular diseases (CVDs). This study ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...