rstats

userR2013 data analysis contest: data exploration
Description The useR2013 conference is organizing a data analysis contest, check the rules here. They have a package called useR2013DAC with two data sets: one from La Liga and the other one from the Formula 1.
Last updated on Fri, Mar 7, 2025 4 min read rstats
Reading an R file from GitHub
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 so by clicking on the Raw button in GitHub.
Last updated on Fri, Mar 7, 2025 2 min read rstats
Using plyr and doMC for quick and easy apply-family functions
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 very simple: expand the apply() family to do things easy.
Last updated on Fri, Mar 7, 2025 4 min read rstats
Predicting who will win a NFL match at half time
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 final project for Jeff Leek’s data analysis class, which we call 140.
Last updated on Fri, Mar 7, 2025 7 min read rstats, JHU Biostat
And so begins English Composition I
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 I hope to enjoy it as much as I can.
Last updated on Fri, Mar 7, 2025 2 min read rstats, Misc
Analyzing SimplyStatistics visits info
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 the number of visitors Identify (if any) any factors that influence the fraction estimated in 1.
Last updated on Fri, Mar 7, 2025 2 min read JHU Biostat, rstats
Sharing my work for "Advanced Methods III"
This semester I’m taking the live version of the Data Analysis class by Jeff Leek. His more popular version of the course is available through Coursera. One of the things that Jeff promotes is reproducibility and sharing code.
Last updated on Fri, Mar 7, 2025 2 min read JHU Biostat, rstats
Introduction to R and Biostatistics (2012 version): presentation
To follow my Introducing R and Biostatistics to first year LCG students (2012 version) post, you can now find the presentation online from my site either in presentation format, in a single webpage format, or the raw Rmd file.
Last updated on Fri, Mar 7, 2025 3 min read UNAM, rstats
Introducing R and Biostatistics to first year LCG students (2012 version)
On Friday November 9th I’ll be giving a talk to the first year students from the Undergraduate Program on Genomic Sciences (LCG in Spanish) during their “Seminar 1: Introduction to Bioinformatics” course.
Last updated on Fri, Mar 7, 2025 3 min read UNAM, rstats
Visualizing colors()
The other day I learnt about the existance of the colors() vector in R which specifies all the character-based colors like “light blue”, “black”, etc. So I made a simple plot to visualize them all.
Last updated on Fri, Mar 7, 2025 1 min read rstats