About ewen.harrison

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So far ewen.harrison has created 9 blog entries.

P-values from random effects linear regression models

lme4::lmer is a useful frequentist approach to hierarchical/multilevel linear regression modelling. For good reason, the model output only includes t-values and doesn’t include p-values (partly due to the difficulty [...]

Radical but conservative liver surgery

Cutting-edge liver surgery is often associated with modern technology such as the robot. In this edition of HPB, Torzilli and colleagues provide a fascinating account of 12 years of [...]

All the transplant statistics you need

If you have a hunger for statistics on organ transplantation, check out NHS Blood and Transplant. There are regularly updated and reflect what is actually happening in UK transplant [...]

RStudio and GitHub

Version control has become essential for me keeping track of projects, as well as collaborating. It allows backup of scripts and easy collaboration on complex projects. RStudio works really [...]

Journal bans p-values

Editors from the journal Basic and Applied Social Psychology have banned p-values. Or rather null hypothesis significance testing – which includes all the common statistical tests usually reported in [...]