March 2017

Learning Scrabble strategy from robots, using R

March 30, 2017 | David Smith

While you might think of Scrabble as that game you play with your grandparents on a rainy Sunday, some people take it very seriously. There's an international competition devoted to Scrabble, and no end of guides and strategies for competitive play. James Curley, a psychology professor at Columbia University, has ... [Read more...]

R-Lab #2: Shiny & maps + earthquakes | Milan, April 11th

March 30, 2017 | MilanoR

The R-Labs are monthly evening meetings where we co-work together on a real data science problem, hands on code. We are ready for the R-Lab#2, on April 11th! With the help of EarthCloud, we will try to map the earthquakes that happened over a specific fault, to study the fault ... [Read more...]

The most business-friendly countries in 2016

March 30, 2017 | jprimav

Which is the most business-friendly country, according to World Bank? Reading about the internazionalization of italian SMEs (Small and Medium … More The post The most business-friendly countries in 2016 appeared first on SLOW DATA.

[Read more...]

R Weekly Bulletin Vol – II

March 30, 2017 | R programming

This week’s R bulletin will cover functions calls, sorting data frame, creating time series object, and functions like is.na, na.omit, paste, help, rep, and seq function. Hope you like this R weekly bulletin. Enjoy reading! Shortcut Keys 1. To show files – Ctrl+5 2. To show plots – Ctrl+6 3. To show ...

[Read more...]

Are you fluent in R?

March 30, 2017 | Sharp Sight

Do you want a data science job? You need to become fluent at writing data science code ... The post Are you fluent in R? appeared first on SHARP SIGHT LABS. [Read more...]

Most Popular Learners in mlr

March 29, 2017 | Jakob Richter

For the development of mlr as well as for an “machine learning expert” it can be handy to know what are the most popular learners used. Not necessarily to see, what are the top notch performing methods but to see what is used “out there” in the real world. Thanks ... [Read more...]

Data Pseudo-Science: Developing a Biorhythm Calculator

March 29, 2017 | Peter Prevos

Data science is a pretty serious occupation. What about data pseudoscience? This blog post shows how to calculate your biorhythm using R. Continue reading → The post Data Pseudo-Science: Developing a Biorhythm Calculator appeared first on The Devil is in the Data.

[Read more...]

Massively-parallel computations on Azure clusters with R, made easy with doAzureParallel

March 29, 2017 | Guest Blogger

by JS Tan (Program Manager, Microsoft) For users of the R language, scaling up their work to take advantage of cloud-based computing has generally been a complex undertaking. We are therefore excited to announce doAzureParallel, a lightweight R package built on Azure Batch that allows you to easily use Azure’... [Read more...]

R and Singularity

March 29, 2017 | Bryan Lewis

by Bryan Lewis R (https://www.r-project.org) is a premier system for statistical and scientific computing and data science. At its core, R is a very carefully curated high-level interface to low-level numerical libraries. True to this principle, R packages have greatly expanded the scope and number of these ... [Read more...]

Coordinatized Data: A Fluid Data Specification

March 29, 2017 | John Mount

Authors: John Mount and Nina Zumel. Introduction It’s been our experience when teaching the data wrangling part of data science that students often have difficulty understanding the conversion to and from row-oriented and column-oriented data formats (what is commonly called pivoting and un-pivoting). Boris Artzybasheff illustration Real trust and ...

[Read more...]

R Improvements for Bio7 2.5

March 29, 2017 | » R

31.03.2017 The next release of Bio7 comes with many new R features and improvements which were integrated since the last release. In this post I like to present a subset of some new R documentation features of the upcoming Bio7 2.5 release. 1. R Markdown Editor: I improved the R markdown editor of ... [Read more...]

#1: Easy Package Registration

March 29, 2017 | Thinking inside the box

Welcome to the first actual post in the R4 series, following the short announcement earlier this week. Context Last month, Brian Ripley announced on r-devel that registration of routines would now be tested for by R CMD check in r-devel (which by next month will become R 3.4.0). A NOTE will ... [Read more...]

Burtin’s Antibiotics visualization in Plotly and R

March 29, 2017 | Riddhiman

In this post, we’ll try to re-create Burtin’s antibiotics visualization using Plotly. The post follows Mike Bostock’s original re-creation in Protovis. See here. [crayon-58dc993934e8b225151869/] [Read more...]

Creating custom Sankey diagrams using R

March 28, 2017 | Tim Bock

I have previously shown how Sankey diagrams can easily be used to visualize response patterns in surveys and to display decision trees. Following on from these posts, I will now be getting a bit more technical,... [Read more...]

Make ggplot2 purrr

March 28, 2017 | Econometrics and Free Software

Update: I’ve included another way of saving a separate plot by group in this article, as pointed out by @monitus. Actually, this is the preferred solution; using dplyr::do() is deprecated, according to Hadley Wickham himself. I’ll be honest: the title is a bit misleading. I will not ... [Read more...]

Make ggplot2 purrr

March 28, 2017 | Econometrics and Free Software

I’ll be honest: the title is a bit misleading. I will not use purrr that much in this blog post. Actually, I will use one single purrr function, at the very end. I use dplyr much more. However Make ggplot2 purrr sounds better than Make ggplot dplyr or whatever ... [Read more...]

UK government using R to modernize reporting of official statistics

March 28, 2017 | David Smith

Like all governments, the UK government is responsible for producing reports of official statistics on an ongoing basis. That process has traditionally been a highly manual one: extract data from government systems, load it into a mainframe statistical analysis tool and run models and forecasts, extract the results to a ... [Read more...]

ggiraph 0.3.3 is out

March 28, 2017 | ArData

I am excited to announce the release of ggiraph version 0.3.3. The package did not evolved that much within the last months as I was busy on other projects. I finally found time last week to work on it. The new version fixes an issue with pan effect (that was not ... [Read more...]

R and Singularity

March 28, 2017 | R Views

R (https://www.r-project.org) is a premier system for statistical and scientific computing and data science. At its core, R is a very carefully curated high-level interface to low-level numerical libraries. True to this principle, R packages have greatly expanded the scope and number of these interfaces over the ...