The mixed effects model for binary responses due to Conaway (1990, A Random Effects Model for Binary Data) is extended to accommodate ordinal responses in general and discrete time survival data with ...

Several graphical techniques for checking the proportional-hazards assumption of Cox's semiparametric regression model for censored survival data are discussed, and some numerical tests to support the ...

The Long Term Growth Model (LTGM) is an Excel-based tool to analyze long-term growth scenarios building on the celebrated Solow-Swan Growth Model. The tool can also be used to assess the implications ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

The Detroit Lions were one of the NFL's most dynamic offenses last season, with Dan Campbell's stars quickly becoming Fantasy football staples. Jared Goff, Jahmyr Gibbs, David Montgomery, and Amon-Ra ...

History has proven that elite quarterbacks can make or break your fantasy football championship run. One big-name quarterback drawing mixed fantasy football reviews once again is Patrick Mahomes of ...

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 ...

Getting the most out of A/B and other controlled tests by Ron Kohavi and Stefan Thomke In 2012 a Microsoft employee working on Bing had an idea about changing the way the search engine displayed ad ...