When we are interested in finding if there is a statistical difference in the mean of two groups we use the t test. When we have more than two groups we cannot use the t test, instead we have to use analysis of variance (ANOVA). In one way ANOVA we have one continuous dependent variable
In the first installment of this series, we scraped reviews from Goodreads. In the second one, we performed exploratory data analysis and created new variables. We are now ready...
H2O has recently released its steam AI engine, a fully open source engine that support the management and deployment of machine learning models. Both H2O on R and H2O steam...
My last post about telco churn prediction with R+H2O attracted unexpectedly high response. It seems that R+H2O combo has currently a very good momentum :). Therefore Wit...
I just got back from Atlanta, the host of the Microsoft Machine Learning and Data Science Summit. This was the first year for this new conference, and it was...
As a follow-up to my Primer On Universal Function Approximation with Deep Learning, I’ve created a project on Github that …Continue reading →
A pure maintenance release 0.2.6 of the gcbd package is now on CRAN. The gcbd proposes a benchmarking framework for LAPACK and BLAS operations (as the library can...
A new version of the RcppCNPy package arrived on CRAN a few days ago. RcppCNPy provides R with read and write access to NumPy files thanks to the cnpy...
In Joseph Sirosh's keynote presentation at the Data Science Summit on Monday, Wee Hyong Took demonstrated using R in SQL Server 2016 to detect fraud in real-time credit card...
Guest post by Maciej Beręsewicz. It has been a very active semester in Europe regarding R meetings. After two successful main events: satRday in Budapest, and EARL in London,...
The Simpsons needs no introduction. At 27 seasons and counting, it’s the longest-running scripted series in the history of American primetime television. The show’s longevity, and the fact that it’s...
Organize your data manipulation tasks in a standard way, write clean and efficient code, and build reproducible data management processes, using the most modern R tools: tidyr, dplyr and...
Warsaw R and Data Analytics Enthusiast group is an effort that aims at integrating users of the R language in Warsaw, Poland. Our group has over 970 members...
At the 2016 EARL London conference senior data-visualisation journalist John Burn-Murdoch, described how the Financial Times uses R to produce high-quality, striking data visualisations. Until recently, charts were the...
We are thrilled to announce our first batch of speakers for EARL Boston in November 2016. Keynotes Jenny Bryan and Ricardo Bion Jenny is the Associate Professor of Statistics...
We’re excited today to announce sparklyr, a new package that provides an interface between R and Apache Spark. Over the past couple of years we’ve heard time and time again...
This year’s conference was a great opportunity to catch up with friends and meet new people who are eager to talk about their work with R. We enjoyed the...
sjmisc-package: Working with labelled data A major update of my sjmisc-package was just released an CRAN. A major change (see changelog for all changes )is the support of the...
Last week the French National Institute of Health and Medical Research (Inserm) organised with the Stan Group a training programme on Bayesian Inference with Stan for Pharmacometrics in Paris....
I'll be in the UK next week doing three talks in three days: First, I'll be giving a talk at the London R-Ladies meetup on Monday October 3rd with...
Zachary Deane-Mayer, who collaborates on caret, has put together a DataCamp course on Machine Learning in R. Zach and DataCamp did a great job of developing a course that...
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...
BiclustGUI in R Ewoud De Troyer, University of Hasselt (CenStat) Biclustering in a GUI & Growing a GUI together! Introduction We are happy to announce the first release of the BiclustGUI on CRAN...
Wonderful, indeed, to have an RStan book in Japanese: Kentarou Matsuura. 2016. Bayesian Statistical Modeling Using Stan and R. Wonderful R Series, Volume 2. Kyoritsu Shuppan Co., Ltd. Google...
By Carson Sievert, lead Plotly R developer I’m excited to announce that plotly’s R package just sent its first CRAN update in nearly four months. To install the update,...
R’s boxplot function has a lot of useful parameters allowing us to change the behaviour and appearance of the boxplot graphs. In this exercise we will try to use...
We can use unsupervised machine learning to identify which drugs are associated with which adverse events. Specifically, machine learning can help us to create clusters based on gender, age,...
I’m sure many of my fellow Mexicans will remember the historically ill-advised (to say the least) decision by our President to invite Donald Trump for a meeting. Talking to some...
For quite some time now I have been using R’s caret package to choose the model for forecasting time series data. The approach is satisfactory as long as the...
