Wordclouds are one of the most visually straightforward, compelling ways of displaying text info in a graph. Of course, we have a lot of web pages (and even apps) that, given an input text, will plot you some nice tagclouds. However, when you need reproducible results, or getting done complex tasks -like combined wordclouds from several files-, a programming environment may be the best option. In R, there are (as always), several alternatives to get this done, such as tagcloud and wordcloud.

Continue reading

One of the things I most like from R + Shiny is that it enables me to serve the power and flexibility of R in small “chunks” to cover different needs, allowing people not used to R to benefit from it. However, what I like most is that’s really fun and easy to program those utilities for a person without any specific programming background. Here’s a small hack done in R/Shiny: it covered an urgent need for a study involving patient randomisation to two branches of treatment, in what is commonly known as a clinical trial.

Continue reading

Playing with my tablet some time ago, I wondered if installing R could be possible. You know, a small android device “to the power of R”… After searching on Google from time to time, I came across some interesting possibilities: R Instructor, created “to bridge the gap between authoritative (but expensive) reference textbooks and free but often technical and difficult to understand help files”. R Console Free. provides the necessary C, C++ and Fortran compilers to build and install R packages.

Continue reading

Author's picture

aurora-mareviv

Anesthesiologist, MD, postdoc. Utter Rstats geek

Universidade de Santiago de Compostela

Spain