data.table data.table is a fast, efficient data format built upon data frames/tibbles designed to work with large data sets. It comes with its own set of syntax …

One of the most attractive features of the REDCap API over other survey tools like Qualtrics, Google Forms and SurveyMonkey is the fact that the API playground supports GUI-style selection …

Sometimes we don't need to deploy R Shiny dashboards to a server, and it is ok to just run them locally. In these cases, we can make it easier for …

Annotated heatmaps in R with ComplexHeatmap A plethora of custom heatmap packages exist for R, but the one capable of building some of the most complex, publication-ready heatmaps is called …

Function with arbitrary arguments using ellipsis (...) Let's define a function which takes in arbitrary arguments and evaluates an expression on those arguments: eval_expres <- function(expres, ...){ #this part gets all the …

If you're building a package in R it's highly likely that you'll have to eventually rely on functions from external packages (unless you enjoy rebuilding the wheel, or can't/don't …

The problem: losing data The dplyr package has some very useful tools for creating summaries of your data through functions like dplyr::count(), as well as the more powerful dplyr …

Table of contents: Brief introduction to profiling, and why we might want to do it Methods to measure function speed/performance Ways to generate function profiles Visualizing and analaysing profiles …

The R maintainers have made some changes to how R is built on Mac OS for R 4.0+: this should make some packages like Stan easier to use, however …

This is not really a tech tidbit in itself, but is something that would be helpful for many of us when we need it, so I'm reposting/adapting it from …