Thanks to Ontario Open Data, a survey dataset was recently made public containing peoples’ responses to questions about Ontario’s Long Term Energy Plan (LTEP). The survey did fairly well in terms of raw response numbers, with 7,889 responses in total … Continue reading →
Today, I'm going to finally dip my toe in the water of something I've wanted to do for a long time. I'd wanted to do this with Michael Caine...
While in Warwick last week, one evening after having exhausted my laptop battery, I tried the following Sudoku (from Libération): and could not even start. As it happened, this...
by Joseph Rickert For a knitty gritty look at what’s new with R there is no better place to start than Dirk Eddelbuettel’s CRANberries site. Since 2007, the site...
Last week I taught part of a workshop for the Minnesota Chapter of the American Fisheries Society on “Analyzing Age Data in R” (materials are here). I like doing...
I don't know how often Michael Caine appeared in a Shakespearean work, but I'm sure that he has and I'm sure that he was excellent. A bit pressed for...
Tomorrow at 11AM Pacific Time, Revolution Analytics' Chief Scientist Mario Inchiosa will present a live webinar on Scalable Cross-Platform R-Based Predictive Analytics. Here's the abstract: In this webinar we...
If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in January and April. If you...
It was several time I was thinking about developing a web application with R and Shiny. In these days I realize my first application with Shiny. You can find...
How often is someone nominated for an academy award? Who has been nominated most often? Is there a difference between leading and supporting roles? Important questions. To answer them,...
Creating custom CDF for Affy chips in R / Bioconductor What? For those who don't know, CDF files are chip definition format files that define which probes belong to which probesets,...
In case you missed them, here are some articles from October of particular interest to R users: A recap of the Strata Hadoop World conference, including presentations from Monsanto...
Measuring the Power of Product Features to Generate Increased DemandProduct management requires more from feature prioritization than a rank ordering. It is simply not enough to know the "best"...
Writing papers using R Markdown I have been watching the activity in RStudio and knitr for a while, and have even been using Rmd (R markdown) files in my...
A new Armadillo release 3.930 came out a few days ago, with a very nice set of changes (see below). I rolled this into RcppArmadillo 0.3.930.0. However, one of...
Quick reminder: The next Cologne R user group meeting is scheduled for this Friday, 13 December 2013. We are delighted to welcome:
Matt Dowle and Arun Srinivasan: Introduction to
Version 0.3 of my R package of miscellaneous code has been released, this time with substantial contributions from Jason Becker via GitHub. Progress continues toward the ultimate goal for eeptools to...
This will be the third time I've tried to write this post. I had started out presuming that I would uncover something fascinating about applying Bayesian inference to a...
(This article was first published on Deciphering life: One bit at a time :: R, and kindly contributed to R-bloggers) I found out about HivePlots this past summer, and...
This is a lecture post for my students in the CUNY MS Data Analytics program. In this series of lectures …Continue reading »
GoalBring consistency and transparency to the analyses of publicly available Tornado datasets using an R-based open source analysis.IssuesTornado data available from the NOAA Storm Prediction Center and other government agencies...
Sometimes intentionally writing bad code can be a lot of fun. Now here, when I say "bad", I mean something that's functional but completely incoherent to anything but the...
When I was working as a digital analytics consultant, no question quite had the ability to cause belly laughs AND angst as, “Can you send me an updated copy...
We’re pleased to announce a new version of roxygen2. The biggest news is that you can painlessly document your S4 classes, S4 methods and RC classes with roxygen2 –...
Course description This two-day course provides an overview of several advanced R topics, such as: R environments, object oriented programming, functional programming and debugging. Who should attend this course...
Storing package data in custom environments If you do R package development, sometimes you want to be able to store variables specific to your package, without cluttering up the users...
Below are two functions for producing stacked area plots. The first is the more typical approach where sequential series are stacked on top of another (function: plot.stacked), while the...
The ubiquitous LAPACK library provides several implementations for the singular-value decomposition (SVD). We will illustrate possible speed gains from using the divide-and-conquer method by comparing it to the...
