The New York Times

Calley Means, a Kennedy Adviser, Has Left the White House

Mr. Means quietly departed his federal role about a month ago. His sister has been nominated for surgeon general. By Benjamin Mueller Calley Means, an influential adviser to Health Secretary Robert F.
Nature

What is the expectation maximization algorithm?

Probabilistic models, such as hidden Markov models or Bayesian networks, are commonly used to model biological data. Much of their popularity can be attributed to the existence of efficient and robust ...
Investopedia

T-Test: What It Is With Multiple Formulas and When to Use Them

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...
Investopedia

Tax Credit: What It Is, How It Works, What Qualifies, 3 Types

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Andy Smith is a Certified Financial Planner (CFP®), licensed ...