Category: R News

The following text is an email I sent to several of my friends from the LCG undergraduate program I studied. There I talk about keeping in touch, I invite them...continue reading.

When processing large data sets in R you often also end up creating large temporary objects. In order to keep the memory footprint small, it is always good to remove...continue reading.

Lets say that I want to read in this R file from GitHub into R. The first thing you have to do is locate the raw file. You can do...continue reading.

A few weeks back I dedicated a short amount of time to actually read what plyr (Wickham, 2011) is about and I was surprised. The whole idea behind plyr is...continue reading.

This past Saturday the Epi and Biostat troops met for another fun kickball match. Obviously Biostat beat Epi, yup I know: again! This time the score was 15-8 (according to...continue reading.

This article is originally published at https://lcolladotor.github.io/ Thanks for visiting r-craft.org This article is originally published at https://lcolladotor.github.io/ Please visit source website for post related comments.continue reading.

The goal of my Ph.D. with Jeff Leek and Andrew Jaffe at JHBSPH was to develop statistical methods and software that enable researchers to differentiate the sources of variation observed...continue reading.

This article is originally published at https://lcolladotor.github.io/ Thanks for visiting r-craft.org This article is originally published at https://lcolladotor.github.io/ Please visit source website for post related comments.continue reading.

Today it’s 16 years ago and 367,496 messages later since Martin Mächler started the R-help (321,119 msgs), R-devel (45,830 msgs) and R-announce (547 msgs) mailing lists [1] – a great...continue reading.

“Do analytics really tell the whole story?” by Vic Ketchman explores how analytics is used nowadays in the NFL draft. The entry point is the “Moneyball” movie and Ketchman’s piece...continue reading.

I enjoyed reading “The importance of stupidity in scientific research” by Martin A. Schwartz which I learned existed through @hmason and @simplystats.  I found the point of how it’s normal...continue reading.

Today Jeffrey T. Leek and Steven L. Salzberg published a paper commentary in Genome Biology today titled “Sequestration: inadvertently killing biomedical research to score political points” (Leek & Salzberg, 2013)...continue reading.

I don’t know about you, but I think that this new “Citi ThankYou Cards” TV commercial is trying to ride the popularity train from the “HELLO KITTY IN SPACE” video....continue reading.

It was great to have a little break, Spring break, although the weather didn’t feel like spring at all! During the early part of the break I worked on my...continue reading.

This week started the English Composition I: Achieving Expertise course (Comer, 2013) that I have been looking forward to. I am not sure yet how long I will last, but...continue reading.

I do not have a clear memory of when I started to write or in which language it was. My first written words might have been in English since I...continue reading.

I’ve been thinking about commenting papers in blog posts. I did a few some long time ago, but now I’m thinking of doing this activity more systematically. There are several...continue reading.

Recently we had to analyze the data of the number of visits per day to SimplyStatistics.org. There were two goals: Estimate the fraction of visitors retained after a spike in...continue reading.

This article is originally published at https://lcolladotor.github.io/ Thanks for visiting r-craft.org This article is originally published at https://lcolladotor.github.io/ Please visit source website for post related comments.continue reading.

This article is originally published at https://lcolladotor.github.io/ Thanks for visiting r-craft.org This article is originally published at https://lcolladotor.github.io/ Please visit source website for post related comments.continue reading.