Category Archives: Tutorial

A tutorial is a how-to for performing a task

Deep learning with torch-dataframe – a gentle introduction to Torch

Handling [tabular data](https://en.wikipedia.org/wiki/Table_(information)) is generally at the heart of most research projects. As I started exploring [Torch](http://torch.ch/) that uses the [Lua](https://www.lua.org/) language for [deep learning](https://en.wikipedia.org/wiki/Deep_learning) I was surprised that there was no package that would correspond to the functionality available … Continue reading

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Dealing with non-proportional hazards in R

Since I’m frequently working with large datasets and survival data I often find that the proportional hazards assumption for the Cox regressions doesn’t hold. In my most recent study on cardiovascular deaths after total hip arthroplasty the coefficient was close … Continue reading

Posted in Orthopaedic surgery, R, Research, Tutorial | Tagged , , , | Leave a comment

Fast-track publishing using the new R markdown – a tutorial and a quick look behind the scenes

The new R Markdown (rmarkdown-package) introduced in Rstudio 0.98.978 provides some neat features by combining the awesome knitr-package and the pandoc-system. The system allows for some neat simplifications of the fast-track-publishing (ftp) idea using so called formats. I’ve created a … Continue reading

Posted in R, Tutorial | Tagged , | 23 Comments