Monthly Archives: March 2016

Unit testing with R

March 30, 2016
By

I've been introduced to unit testing while working with colleagues on quite a big project for which we use Python. At first I was a bit skeptical about the need of writing unit tests, but now I must admit that I am seduced by the idea and by the huge time savings it allows. Naturally, I was wondering...

Read more »

List of useful RStudio addins made by useRs

March 30, 2016
By

RStudio’s new feature of supporting addins is great. It’s about 2 months old now, and I think one of the main problems right now is discoverability: there’s just no easy way to find addins or publish your own. As a first attempt at making addins more discoverable, I started a GitHub repo listing some addins, with the hope that other...

Read more »

Swedish Real Estate Prices | rvest, RSelenium, ggplot2

March 30, 2016
By
Swedish Real Estate Prices | rvest, RSelenium, ggplot2

Finally got myself an internet connection at home, so i can start with another scraping project. This time i thought it would be nice to try a non-English site that also has coordinate data in each post. Settled on a … Continue reading →

Read more »

Jupyter Notebooks with R in Azure Machine Learning Studio

March 30, 2016
By
Jupyter Notebooks with R in Azure Machine Learning Studio

by Andrie de Vries Earlier today Microsoft announced that Jupyter Notebooks are now available with the R Kernel as a service in Azure Machine Learning (ML) Studio. I wrote about Jupyter Notebooks in September 2015 (Using R with Jupyter Notebooks), where I noted some of the great benefits of using notebooks: Jupyter is an easy to use and convenient...

Read more »

Introducing a Weekly R / Python / JS / etc Vis Challenge!

March 30, 2016
By
Introducing a Weekly R / Python / JS / etc Vis Challenge!

Per a suggestion, I’m going to try to find a neat data set (prbly one from @jsvine) to feature each week and toss up some sample code (99% of the time prbly in R) and offer up a vis challenge. Just reply in the comments with a link to a gist/repo/rpub/blog/etc (or post directly, though

Read more »

An awesome RStudio addin for selecting colours, and another for adding marginal density plots to ggplot2

March 30, 2016
By
An awesome RStudio addin for selecting colours, and another for adding marginal density plots to ggplot2

TL;DR: There’s a colour picker addin in shinyjs and a ggplot2 marginal plots addin in ggExtra. Any R user who hasn’t been spending the past 2 months under a rock should know by now about RStudio’s new exciting features: addins and gadgets. (In case you don’t know, here’s a summary: Gadgets are simply Shiny apps that return a value,...

Read more »

How to check Likert scale summaries for plausibility

March 30, 2016
By

Suppose you are reading a paper that uses Likert scale responses. The paper reports the mean, standard deviation, and number of responses. If we are -- for some reason -- suspicious of a paper, we might ask, "Are these summary statistics possible for t...

Read more »

european R users meeting (eRum) 2016 – Call for Workshops deadline (by 15th of April)

March 30, 2016
By
european R users meeting (eRum) 2016 – Call for Workshops deadline (by  15th of April)

deadline: 15th of April   submission form and details: https://docs.google.com/forms/d/1ZZwSPUB4-31nUYOhjdhArOF1kjdXrQW_XPWpfd0nqWU/viewform Info about the conference: eRum 2016 will take place in the beautiful city of Poznań, Poland, betweenOctober 12th and 14th, and we already have confirmed invited speakers such asRasmus Bååth, Romain Francois,  Ulrike Grömping, Matthias Templ, andHeather Turner, as well as high-level local R users. European R users meeting (eRum)...

Read more »

GTC 2016

March 29, 2016
By
GTC 2016

I will be an invited speaker at GTC 2016, a large conference on GPU computation. The main topic will be usage of GPU in conjunction with R, and I will also speak on my Software Alchemy method, especially in relation to GPU computing.. GTC asked me to notify my “network” about the event, and this … Continue reading...

Read more »

Election tRends: An interactive US election tracker (using Shiny and Plotly)

March 29, 2016
By

Guest post by Jonathan Sidi Introduction The US primaries are coming on fast with almost 120 days left until the conventions. After building a shinyapp for the Israeli Elections I decided to update features in the app tried out plotly in the shiny framework. As a casual voter trying to gauge the true temperature of … Continue reading...

Read more »

Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)