How to calculate (average) hazard ratios for parametric survival models based on the R/flexsurv package

This tutorial [PDF] aims to support the interpretation of parametric time-to-event models by explaining how to calculate the hazard ratio, which is a conventional effect size to evaluate clinical relevance of treatment effects. The following distributions, which are considered most important for health economic analyses, are implemented in the flexsurv package (cf ?flexsurvreg): exp: exponential…

Facial feature representation: The Code for Facial Identity in the Primate Brain

The following paper is a breakthrough in facial feature recognition and numeric representation of facial features and may be helpful to understand the genomic basis of facial features (once the relevant dimensions of the phenome are identified), but also to help to recognize the emotional expression in human faces [1,2]. [1] http://www.cell.com/cell/fulltext/S0092-8674(17)30538-X [2] http://www.bbc.co.uk/news/science-environment-4013124

Inspiring talk by David Spiegelhalter at PSI 2017, London

David Spiegelhalter gave inspiring and entertaining talk on “Engaging  without manipulating: the balanced communication of statistics” at PSI 2017 conference in London. Obviously, scientific results are often miscommunicated by mass media to boost the novelity  and relevance of scientific results. After David’s talk I raised the question whether addressing the questions who owns the results…

Rstudio Connect for deployment of software and reports

Rstudio has recently released (2017-01) their Rstudio connect platform for deployment of software and reports, which I am currently evaluating: Quote: RStudio Connect is a new publishing platform for the work your teams create in R. Share Shiny applications, R Markdown reports, dashboards, plots, and more in one convenient place. Use push-button publishing from the…