Extending accessibility of open-source statistical software to the masses: A shiny case study Brandon LeBeau University of Iowa R R is an open source statistical programming language. Pros: Common statistical procedures are found... [Read more...]

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After having “succesfully” launched my blog I felt the time had come to create some identity for it (and by extension, me). What better way to do this than create a logo? This thought didn’t suddenly appear in my mind - if you’ve read the ann... [Read more...]

Introducing text2vec 0.4 Today I’m pleased to announce new major release of text2vec - text2vec 0.4 which is already on CRAN. For those readers who is not familiar with text2vec - it is an R package which provides an efficient framework with a concise API for text ... [Read more...]

In this post, I will talk about the presentation of R that I did today, in the first week of my PhD. Usually, it is a team-only presentation. Yet, other people came because they were interested in learning more about R. How I get this idea? I get the idea ... [Read more...]

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Regardless of the tool you use to analyse data, you'll often have to access data living in file formats generated by other tools. The "haven" package from RStudio allows you to import and export data in SAS, SPSS and Stata formats. Version 1.0 was released on October 4, and is now available ... [Read more...]

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Raccoon is a free web-book about Statistical Models with R. Raccoon is the collection of twenty years of notes, exercises and concepts working with statistics and R, and it is part of our web-book project, together with Rabbit: Introduction to R and Ramarro: R for Developers. The post Raccoon: Statistical ... [Read more...]

You have a matrix in R, and you want to visualise it – say, for example, with each cell coloured according to the value in the cell.  Not a heatmap, per se, as that requires clustering; just a simple, visual image. Well, the answer is image() – however, there is the slightly ... [Read more...]

You want to get started on text mining, but most of the tutorials you start, get pretty complex very quickly? Or you can’t find a proper data set to work on? DataCamp’s latest post will walk you through 8 tips and tricks that will help you to star... [Read more...]

Whether you are an environmental scientist, a pollution expert or just concerned about the air you breathe when cycling in the United Kingdom, the ropensci rdefra package can help find the information you need. This package gives you access to the UK-AIR database, hosted by the Department for Environment, Food & ... [Read more...]

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Science is hard. Why make it harder? Scientists and researchers spend a lot of time on data preparation and analysis, and some of these analyses are quite computationally intensive. The amount of time required to conduct an analysis grows for the increased complexity of calculations, amount of data, and number ... [Read more...]

Hadley Wickham’s popular R developer course is coming to Melbourne on 12-13 December 2016. Bookings can be made via Eventbrite.Hadley, of course, is the developer of the wonderful tidyverse set of R packages including ggplot2, dplyr, tidyr, readr, purrr, tibble, and many more. He is the author of several ... [Read more...]

Hadley Wickham’s popular R developer course is coming to Melbourne on 12-13 December 2016. Bookings can be made via Eventbrite. Hadley, of course, is the developer of the wonderful tidyverse set of R packages including ggplot2, dplyr, tidyr, readr, purrr, tibble, and many more. He is the author of several ... [Read more...]

The results of many scientific papers are wrong. There are many reasons for this, including p-hacking, publication bias, and the general inability to replicate results. But there's another, more mundane cause: incorrect calculation of p-values in statistical tests. This could be caused by simple transcription errors when plugging numbers into ... [Read more...]

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In the last few years, I’ve been using ggplot2 quite a lot. While the ggplot2 default theme is quite slick, I started tweaking the theme to fit my own taste and/or that of the target audience. artyfarty is a collection of a few themes that I have us... [Read more...]