Clik here to view.
A segmented model of CRAN package growth
By Andrie de Vries by Andrie de Vries A few weeks ago I wrote about the growth of CRAN packages, where I demonstrated how to scrape CRAN archives to get an estimate of the number of packages over time....
View ArticleLe Monde puzzle [#960]
By xi’an (This article was originally published at R – Xi’an’s Og, and syndicated at StatsBlogs.) An arithmetic Le Monde mathematical puzzle: Given an integer k>1, consider the sequence defined by...
View ArticleClik here to view.
How to Install R on Linux Ubuntu 16.04 Xenial Xerus
By Kris Eberwein The long-awaited new Ubuntu LTS Xenial Xerus was released last week. I wrote a tutorial on installing R and R-Studio on the old 14.04 LTS, so I figured I’d update that document. Not...
View ArticleClik here to view.
On Nested Models
By John Mount We have been recently working on and presenting on nested modeling issues. These are situations where the output of one trained machine learning model is part of the input of a later...
View ArticleClik here to view.
Complex Tables – Exercises
By John Akwei The ftable() function combines Cross-Tabulation with the ability to format , or “flatten”, contingency tables of 3 or more dimensions. The resulting tables contain the combined counts of...
View ArticleA simple proof that the p-value distribution is uniform when the null...
By Shravan Vasishth Someone asked this question in my linear modeling class: why is it that the p-value has a uniform distribution when the null hypothesis is true? Proof is remarkably simple. First,...
View ArticleClik here to view.
The five element ninjas approach to teaching design matrices
By Maxwell B. Joseph Design matrices unite seemingly disparate statistical methods, including linear regression, ANOVA, multiple regression, ANCOVA, and generalized linear modeling.As part of a...
View ArticleNew R package to access World Bank data
By Markus Gesmann Staying on top of new CRAN packages is quite a challenge nowadays. However, thanks to Dirk’s CRANberries service I occasionally spot a new gem, such as wbstats, which appeared on CRAN...
View ArticleClik here to view.
Password Input with getPass
By wrathematics As of this morning, the getPass package version 0.1-1 is available on CRAN. The package offers a portable way to read user input without echoing the text, for the purposes of reading...
View ArticleClik here to view.
Last call for abstracts 29th April for EARL Conference London
By Angela Roberts EARL is a Conference for users and developers of the open source R programming language. The primary focus of the Conference is the commercial usage of R across a range of industry...
View ArticleClik here to view.
On Nested Models
By John Mount We have been recently working and presenting on nested modeling issues. These are situations where the output of one trained machine learning model is part of the input of a later model...
View ArticleA Data Scientist’s Perspective on Microsoft R
By Joseph Rickert by Lixun Zhang, Data Scientist at Microsoft As a data scientist, I have experience with R. Naturally, when I was first exposed to Microsoft R Open (MRO, formerly Revolution R Open)...
View ArticleA Data Scientist’s Perspective on Microsoft R
By Joseph Rickert by Lixun Zhang, Data Scientist at Microsoft As a data scientist, I have experience with R. Naturally, when I was first exposed to Microsoft R Open (MRO, formerly Revolution R Open)...
View ArticleMissing Value Treatment
By Selva Prabhakaran Missing values in data is a common phenomenon in real world problems. Knowing how to handle missing values effectively is a required step to reduce bias and to produce powerful...
View ArticleWebinar April 28: Effective Graphs with Microsoft R Open
By David Smith Naomi Robbins, author of Creating More Effective Graphs and Forbes contributor has teamed up with daughter Dr Joyce Robbins to present a new webinar this Thursday April 28, Creating...
View ArticleRcppMgsPack 0.1.0
By Thinking inside the box Over the last few months, I have been working casually on a new package to integrate MessagePack with R. What is MessagePack, you ask? To quote its website, “It’s like JSON,...
View ArticleCandlestick charts using Plotly and Quantmod
By Riddhiman This post is dedicated to creating candlestick charts using Plotly’s R-API. For more information on candlestick charts visit www.stockcharts.com. We’ll also showcase Plotly’s awesome new...
View ArticleClik here to view.
Simulating Continuous-Time Markov Chains with simmer (part 2)
By FishyOperations In part one, we simulated a simple CTMC. Now, let us complicate things a bit. Remember the example problem there: A gas station has a single pump and no space for vehicles to wait...
View ArticleClik here to view.
The one machine learning concept you need to know
By Sharp Sight Labs Machine learning is hard. Some people spend weeks, months, even years trying to learn machine learning without any success. They play around with datasets, buy books, compete on...
View ArticleClik here to view.
Learning R for Data Visualization [Video]
By Fabio Veronesi Last year Packt asked me to develop a video course to teach various techniques of data visualization in R. Since I love the idea of video courses and tutorials, and I also enjoy...
View Article
![[imports/adg/photos/213899875_Police-Car-Lights-2.jpg]](http://wehco.media.clients.ellingtoncms.com/imports/adg/photos/213899875_Police-Car-Lights-2_t600.jpg?4326734cdb8e39baa3579048ef63ad7b451e7676)
