Get ready for R/Finance 2016
By Joseph Rickert by Joseph Rickert R/Finance 2016 is less than a month away and, as always, I am very much looking forward to it. In past years, I have elaborated on what puts it among my favorite...
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New: Spanish and French Translations of Introduction to R
By DataCamp Blog The team here at DataCamp is thrilled to announce that we now offer free Spanish and French translations of our most popular course, Introduction to R. Best of all, the courses are...
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WrightMap Tutorial 4 – More Flexibility Using the person and item side…
By R Snippets for IRT Introduction Version 1.2 of the WrightMap package allows you to directly access the functions used for drawing the person and item sides of the map in order to allow more flexible...
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Principal curves example (Elements of Statistical Learning)
By BioStatMatt The bit of R code below illustrates the principal curves methods as described in The Elements of Statistical Learning, by Hastie, Tibshirani, and Friedman (Ch. 14; the book is freely...
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yorkr crashes the IPL party! – Part 3!
By Tinniam V Ganesh Introduction “I’m sorry, if you were right, I’d agree with you.” Robin Williams Get your facts first. Then you can distort them as you please. Mark Twain Do not take life too...
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Create Amazing Looking Backtests With This One Wrong–I Mean Weird–Trick! (And...
By Ilya Kipnis This post will outline an easy-to-make mistake in writing vectorized backtests–namely in using a signal obtained at the end of a period to enter (or exit) a position in that same period....
View ArticleBecause it’s Friday: Abbreviated Discourse
By David Smith England and America have been called “two countries separated by a common language”, but if the befuddled looks I get sometimes are anything to go by the same can be said of Australia...
View ArticleR Courses at Newcastle
By csgillespie Over the next two months I’m running a number of R courses at Newcastle University. May 2016 May 10th, 11th: Predictive Analytics May 16th – 20th: Bioconductor May 23rd, 24th: Advanced...
View ArticleMicrosoft R Open 3.2.4 now available
By David Smith Microsoft R Open 3.2.4, Microsoft’s enhanced distribution of R, is now available for download from mran.microsoft.com. This update is based on R 3.2.4-revised, and includes several...
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Fast csv writing for R
By Tal Galili R has traditionally been very slow at reading and writing csv files of, say, 1 million rows or more. Getting data into R is often the first task a user needs to do and if they have a poor...
View ArticleMicrosoft R Open 3.2.4 now available
By David Smith Microsoft R Open 3.2.4, Microsoft’s enhanced distribution of R, is now available for download from mran.microsoft.com. This update is based on R 3.2.4-revised, and includes several...
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 ArticleJust plot this…
By Sascha W. png(“goodbye.png”, height = 625, width = 500) par(col = “purple”) plot(1, 1, xlim = c(0,800), ylim = c(0,1600), type = “n”, bty = “n”, xaxt = “n”, yaxt = “n”, xlab = “”, ylab = “”)...
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Bring Your Data to Life with googleVis and R – Tutorial
By DataCamp Blog In this new demonstration, you will learn how to use the googleVis package in R to create a some beautiful interactive charts. The charts created here are inspired by the work of data...
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Free Workshop: Mapping Open Data in R
By Ari Lamstein On May 17 I will be running a free workshop titled Mapping Open Data in R. The workshop will be in Berkeley, CA and is open to the public. If you have an interest in the subject matter...
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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...
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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...
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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 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 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,...
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