October 2015

RcppArmadillo 0.6.200.2.0

October 31, 2015 | Thinking inside the box

Yet another monthly upstream Armadillo update gets us the first changes to the new the 6.* series. This was preceded by two uploads of test released to GitHub-only. These two were tested both against all reverse-dependencies as usual. A matching upload to Debian will follow shortly. Armadillo is a powerful and ... [Read more...]

Don’t use stats::aggregate()

October 31, 2015 | John Mount

When working with an analysis system (such as R) there are usually good reasons to prefer using functions from the “base” system over using functions from extension packages. However, base functions are sometimes locked into unfortunate design compromises that can now be avoided. In R’s case I would say: ... [Read more...]

Why bother with magrittr

October 31, 2015 | civilstat

I’ve seen R users swooning over the magrittr package for a while now, but I couldn’t make heads or tails of all these scary %__% symbols. Finally I had time for a closer look, and it seems potentially handy indeed. … Continue reading → [Read more...]

Competing views on Argentina’s Frontrunner

October 30, 2015 | » R

It might be too early to state anything solid, but the few polls prospecting the runoff election in Argentina seem to be telling two distinct histories. Hugo Haime and IPSOS suggest Daniel Scioli is going up while Elypsis and Polldata say he’s sinking as weeks go by. The last ...
[Read more...]

The Traveling Vampire Problem

October 30, 2015 | Francis Smart

Let's say you are a vampire and you would like to figure out the shortest route to visit the supple necks of N maidens. But, there is only so much time in any night!You can fly from location to location, ignoring barriers.With a few maidens, the problem is ... [Read more...]

The Traveling Vampire Problem

October 30, 2015 | Francis Smart

Let's say you are a vampire and you would like to figure out the shortest route to visit the supplenecks of N maidens. But, there is only so much time in any night!You can fly from location to location, ignoring barriers.With a few maidens, the problem... [Read more...]

Fruit Plot: Plotting Using Multiple PNGs

October 30, 2015 | Andy

In one of our previous posts (Halloween: An Excuse for Plotting with Icons), we gave a quick tutorial on how to plot using icons using ggplot. A reader, Dr. D. K. Samuel asked in a comment how to use multiple … Continue reading → [Read more...]

Data Science Workbench for Ubuntu 14.04

October 30, 2015 | Kris Eberwein

I found myself installing the same things over and over again on my VMs, so I decided to pack all my good DSR workbench action into one giant shell script that I could run and walk away from. Below is my markdown file, you can grab the shell scripts at ... [Read more...]

Demo: R in SQL Server 2016

October 30, 2015 | David Smith

At the PASS Summit in Seattle this week, Microsoft's Jason Wilcox and Gopi Kumar demonstrated a SQL Server 2016 application that embeds R to predict what time you need to leave to catch a flight, given traffic, check-in time, and the likelihood of a flight leaving early or being delayed. The ... [Read more...]

Curious about big data in Montreal?

October 30, 2015 | Murtaza Haider

Are you in Montreal and curious about big data? Well here is your chance to attend a session about the same at Concordia University on Tuesday, Nov. 03 at 6:00 pm.www.BigDataUniversity.com, which is an IBM-led initiative is running meetups across North... [Read more...]

littler 0.3.0 — on CRAN !!

October 29, 2015 | Thinking inside the box

A new major release of littler is now available. And for the first time in the nine years since 2006 when Jeff started the effort (which I joined not long after) we are now a CRAN package. This required a rewrite of the build system, foregoing the calls to aclocal, autoheader, ... [Read more...]

Visualizing Chess Data With ggplot

October 29, 2015 | Joshua Kunst

There are nice visualizations from chess data: piece movement, piece survaviliy, square usage by player. Sadly not always the authors shows the code/data for replicate the final result. So I wrote some code to show how to do some this great visualizations entirely in R. Just for fun. The ... [Read more...]

Our new R package

October 29, 2015 | Gianluca Baio

As part of the work she's doing for her PhD, Christina has done some (fairly major, I'd say!) review of the literature about prevalence studies on PCOS $-$ that's a rather serious, albeit probably fair to say quite under-researched area. When it came to analysing the data she had collected, ... [Read more...]

Our new R package

October 29, 2015 | Gianluca Baio

As part of the work she's doing for her PhD, Christina has done some (fairly major, I'd say!) review of the literature about prevalence studies on PCOS $-$ that's a rather serious, albeit probably fair to say quite under-researched area. When... [Read more...]
1 2 3 13

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)