The R User Conference, useR! 2014 is scheduled for July 1-3, 2014 at the University of California, Los Angeles. Before the official program, half-day tutorials will be offered on Monday, June 30. We invite R users to submit proposals for three hour tutorials on special topics regarding R. The proposals should include: 1) A brief description (abstract) of the...
In an ZDNet article published this morning, Revolution Analytics CTO Greg Todd surveys the landscape for IT archietcture and tools to bring the insights of data scientists to business...
I was really impressed by the very smooth process through which my paper on cost-effectiveness analysis in the presence of structural zero costs (which I've already mentioned for example here...
by Max Marchi and Jim Albert (2014, CRC Press)The Sabermetric bookshelf, #3Here we have the perfect book for anyone who stumbles across this blog--the intersection of R and baseball...
Here is a comparison of lmer vs Stan output on a mildly complicated dataset from a psychology expt. (Kliegl et al 2011). The data are here: https://www.dropbox.com/s/pwuz1g7rtwy17p1/KWDYZ_test.rda.The data and...
A new version 0.3 of HistogramTools is now on CRAN. HistogramTools provides a number of methods for manipulating histograms, measuring the distance between histograms, calculating the information loss...
This week, I spend some time at the Workshop on Nonparametric Curve Smoothing conference at Concordia. Yesterday afternoon, Noël Veraverbeke show an interesting graph, to illustrate conditional copulas (and the...
This is a data only package containing all injury intent deaths (accidents, suicides, homicides, legal interventions, and deaths of unspecified intent) registered by the SSA/INEGI from 2004 to 2012....
Last week's Cologne R user group meeting was the best attended so far. Well, we had a great line up indeed. Matt Dowle came over from London to give...
This week I’ve been feeling tired of excessive fanaticism (or zealotry) of open source and R in general. I do use a fair amount of OSS and pushed for...
Yesterday I said that I'd carry on with the monte carlo simulation of insurance data. I'm not going to as I don't think I've got enough time and mental...
Naming Rules in R How are objects allowed to be named in R? As it turns out, this is a very different question from how should objects be named....
Now that the limited availability period is complete, we're pleased to announce that Revolution R Enterprise 7 is now generally available for all customers on the following platforms (see...
(Guest post by Matt Sundquist on a lovely new service which is pro-actively supporting an API for R) The Plotly R graphing library allows you to create and share...
A new version 0.3.2 of RProtoBuf, is now on CRAN. RProtoBuf provides GNU R bindings for the Google Protobuf data encoding library used and released by Google. As for the last few releases, Murray took charge...
As part of my course in bayesian data analysis, I have put up some common linear mixed models that we fit in psycholinguistics. These are written in JAGS and...
I got quite inspired by the EXIF with R post on the Timely Portfolio blog and decided to do a similar analysis with my photographic database. The Data The...
Over the course of the next few days, I'm going to try to find enough time to build up a reasonably simple simulation of insurance exposure and claims. I'll...
This is a lecture post for my students in the CUNY MS Data Analytics program. In this series of lectures …Continue reading »
At the end of the last post, the reader was left assuming respondent homogeneity without any means for discovering if all of our customers adopted the same feature prioritization....
Sometimes I have the desire to plot both on the linear and on the log scale. To save space just two figures is not my solution. I want to...
Introduction Today, I will begin a series of posts on numerical integration, which has a wide range of applications in many fields, including statistics. I will introduce with trapezoidal...
In this post, I look at crime rates (per 100,000 people) in 2012 for different crimes in different states. Data from FBI's Uniform Crime Reports site were used for...
I've had a statistical question that I've wanted to answer for more than 20 years. In college, I often played the strategy game “Axis & Allies” with friends. (Hi...
A maintenance release (now at version 0.1.2) of my RcppDE package (previously described in these two posts) is now CRAN. More details about the package are available in the vignette also included in the RcppDE...
A maintenance release of my random package for truly (hardware-based) random numbers (pulled from random.org) is now on CRAN. It's been a while since previous releases. The package is described in a detailed vignette as well as in a essay by...
A maintenance release (now at version 0.2.5) of my gcbd package (described only in these two posts) is now CRAN. More details about the package are available in the paper which is also included...
I am busy working on a project which uses data from the World Wide Lightning Location Network (WWLLN). Specifically, I am trying to reproduce some of the results from...
In this post, I'll look at a very quick way to look at the relationships in a database. I had a bit of fun with my first network graph...
