by Matt Sundquist co-founder of Plotly Domino's new R Notebook and Plotly's R API let you code, make interactive R and ggplot2 graphs, and collaborate entirely online. Here is the Notebook in action: Published R Notebook To execute this Notebook, or to build your own, head to Domino's Plotly Project. ... [Read more...]

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A Sharp Sight Labs reader (and now student), Jason P. recently started learning data science. He has a background in data analysis (primarily with Excel and related tools in the Microsoft ecosystem) but he wanted to start learning some of the harder skills of data science. He contacted me after ... [Read more...]

The next Cologne R user group meeting is scheduled for this Friday, 6 March 2014 and we have an exciting agenda with two talks, followed by networking drinks:Using R in Excel via R.NETGünter Faes and Matthias SpixMS Office and Excel are the 'de-facto' standards in many industries. Using R ... [Read more...]

We will start, in our Data Science course,  to discuss classification techniques (in the context of supervised models). Consider the following case, with 10 points, and two classes (red and blue) __ clr1 clr2 x y z df plot(x,y,pch=19,cex=2,col=clr1[z+1]) To get a prediction, i.e. ... [Read more...]

For the newcomers; scheduleR is a framework to deploy/schedule R tasks, reports and Shiny apps. The tool has an integrated logging and notification system to ease the maintenance of scheduled R related jobs. After a lot of refactoring the tasks have been separated into tasks (e.g. ETL scripts) ... [Read more...]

Computerworld's Sharon Machlis has done a great service for the R community — and R especially novices — by creating the on-line Beginner's Guide to R. You can read our overview of her guide from 2013 here, but it's been regularly updated since then. As an added bonus, the guide is now available ... [Read more...]

The APS Observer has just published a profile of JASP, a graphical user interface designed to make statistics easier. It includes Bayesian procedures by means of the R and the BayesFactor package. From the article: JASP distinguishes itself from S... [Read more...]

Last night I spotted this tweet about the R package TSclust. Thank you Pablo and Jose for #TSclust - time series clustering package in #rstats ! http://t.co/GBQtQnQ8Lr— Pasha Roberts (@pasharoberts) March 2, 2015 I should start by saying that I really don’t know what I’m doing, so ... [Read more...]

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A few weeks ago we introduced the drat package. Its name stands for drat R Archive Template, and it helps with easy-to-create and easy-to-use repositories for R packages. Two early blog posts describe drat: First Steps Towards Lightweight Repositorie... [Read more...]

Since I drive quite a lot, I have some interest in getting the most km out every Euro spent on fuel. One thing to change is the fuel. The oil companies have a premium fuel, which is supposed to be better for both engine and fuel consumption. On the oth... [Read more...]