Articles by Keith Goldfeld

Who knew likelihood functions could be so pretty?

October 22, 2017 | Keith Goldfeld

I just released a new iteration of simstudy (version 0.1.6), which fixes a bug or two and adds several spline related routines (available on CRAN). The previous post focused on using spline curves to generate data, so I won’t repeat myself here. And, apropos of nothing really - I thought ...
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Be careful not to control for a post-exposure covariate

August 20, 2017 | Keith Goldfeld

A researcher was presenting an analysis of the impact various types of childhood trauma might have on subsequent substance abuse in adulthood. Obviously, a very interesting and challenging research question. The statistical model included adjustments for several factors that are plausible confounders of the relationship between trauma and substance use, ...
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