Tim Plante, MD MHS

Using Stata’s Frames feature to build an analytical dataset

Stata 16 introduced the new Frames functionality, which allows multiple datasets to be stored in memory, with each dataset stored in its own “Frame”. This allows for dynamic manipulation of multiple datasets across multiple Frames. Stata is still simplest to use when manipulating a single dataset (or, frame). So, Stata users will probably be interested …

Mediation analysis in Stata using IORW (inverse odds ratio-weighted mediation)

Mediation is a commonly-used tool in epidemiology. Inverse odds ratio-weighted (IORW) mediation was described in 2013 by Eric J. Tchetgen Tchetgen in this publication. It’s a robust mediation technique that can be used in many sorts of analyses, including logistic regression, modified Poisson regression, etc. It is also considered valid if there is an observed …

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