by Joseph Rickert One of the remarkable features of the R language is its adaptability. Motivated by R’s popularity and helped by R’s expressive power and transparency developers working on other platforms display what looks like inexhaustible creativity in providing seamless interfaces to software that complements R’s strengths. The H2O R package that connects to 0xdata’s H2O software (Apache...
Myfxbook provides an interface to your FOREX trading accounts as well as an active trading community. It has a broad range of functionality including a responsive interface to the...
Editor's note: This is a guest post from Matt Sundquist form the Plot.ly team.You can access the source code for this post at https://gist.github.com/sckott/10991885Ggplotly and
Ethan Siegel wrote a post entitled The Math of the Fastest Human Alive five years ago, using regressions. An alternative is too use extreme value models (I wrote a post a...
BitsanityThe awesome folks at Quandl (an amazing data collection and distribution service) have been so kind as to allow me to write for their blog.In my first post for...
As a language for statistical computing, R has always had a bias towards linear algebra, and is optimized for operations dealing in complete vectors and matrixes. This can be...
This is a follow-up blog-post to an earlier introductory post by Steven Brey: Using R: Working with Geospatial Data. In this post, we’ll learn how to plot geospatial data in...
I’m pleased to announce that a rewrite of my first chapter of “Modeling Data With Functional Programming In R” is …Continue reading →
Here are my notes from a recent talk I gave on vectorization at a Davis R Users’ Group meeting. Thanks to Vince Buffalo, John...
Dear geomorph users,version 2.0 of geomorph brings new developments in how shape deformations from 3D coordinate shape data can be viewed. We have implemented warping of 3D surface files...
Geomorph users,We have uploaded version 2.0 to CRAN. The windows and mac binaries have been compiled and the tarball is available.Version 2.0 comes with substantial changes and new features: New function...
Dear R users, the May 2014 public training course schedule for Milano (Italy) based courses is as follows: Web Applications with R and Shiny May 15, 2014 Reports in...
The MAPE (mean absolute percentage error) is a popular measure for forecast accuracy and is defined as where denotes an observation and denotes its forecast, and the...
(Generalized) Linear models make some strong assumptions concerning the data structure: Independance of each data points Correct distribution of the residuals Correct specification of the variance structure Linear relationship...
Editor's note: This is the first in a series of posts from rOpenSci's recent hackathon.I recently had the pleasure of participating in rOpenSci's hackathon. To be honest,...
As I mentioned in my previous blog post, Government of India have started an Open Data Portal for making various data public. Most of the data-sets on the portal...
I recently posted on the addition of ageKeyPlot() to the FSA package for visualizing age-length keys. Since that post, I have added one more type of plot as illustrated...
At Oracle our goal is to enable you to get timely insight from all of your data. We continuously enhance Oracle Database to allow workloads that have traditionally required...
Image by Ennio Pozzetti In this post I will explore some of the movements in markets in recent years, these movements have caught many by surprise resulting in...
I enjoyed talking to University of Alabama students this morning about wealth, skill, and luck. I tried to synthesize a whole lot of research into something meaningful. Of course,...
by Daniel Hanson Last time, we looked at the four-parameter Generalized Lambda Distribution, as a method of incorporating skew and kurtosis into an estimated distribution of market returns, and...
GoogleVis 0.5.1 was released on CRAN yesterday. New Features New functions gvisSankey, gvisAnnotationChart, gvisHistogram,gvisCalendar and gvisTimeline to support the new Google charts of the same names (without 'gvis'). New...
This is the third in my series of three posts on my package freqparcoord with Yingkang Xie. (My next post after this will show how to use R to...
This post shares the video from the talk presented in 2014 by Eu Jin Lok on mining tweets with R presented at Melbourne R Users. Twitter is currently ranked...
Yesterday's release of RcppBDT 0.2.3 lead to an odd build error. If one used at the same time a 32-bit OS, a compiler as recent as g++ 4.7 and the Boost...
A new Task View on CRAN will be of anyone who needs to connect R with Web-based applications. The Web Technologies and Services Task View lists R functions and...
Kevin Cartier writes: I’ve been happily using R for a number of years now and recently came across Stan. Looks big and powerful, so I’d like to pick an...
Rick Wicklin showed how to make a Hilbert matrix in SAS/IML. Rick has a nice discussion of these matrices and why they might be interesting; the value of...
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