Wednesday, August 20, 2014

Do your "data janitor work" like a boss with dplyr

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Data “janitor-work” The New York Times recently ran a piece on wrangling and cleaning data: “For Big-Data Scientists, ‘Janitor Work’ I...
4 comments:
Monday, July 7, 2014

Introduction to R for Life Scientists: Course Materials

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Last week I taught a three-hour introduction to R workshop for life scientists at UVA's Health Sciences Library. I broke the works...
4 comments:
Tuesday, June 24, 2014

Bedtools tutorial from 2013 CSHL course

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A couple of months ago I posted about how to visualize exome coverage with bedtools and R . But if you're looking to get a basic handle ...
Friday, June 13, 2014

An Annotated Online Bioinformatics / Computational Biology Curriculum

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Two years ago David Searls published an article in PLoS Comp Bio describing a series of online courses in bioinformatics. Yesterday, the sa...
Monday, June 2, 2014

Collaborative lesson development with GitHub

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If you're doing any kind of scientific computing and not using version control, you're doing it wrong . The git version control syst...
1 comment:
Wednesday, May 28, 2014

Using Volcano Plots in R to Visualize Microarray and RNA-seq Results

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I've been asked a few times how to make a so-called volcano plot from gene expression results. A volcano plot typically plots some meas...
9 comments:
Thursday, May 15, 2014

qqman: an R package for creating Q-Q and manhattan plots from GWAS results

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Three years ago I wrote a blog post on how to create manhattan plots in R . After hundreds of comments pointing out bugs and other issues, I...
59 comments:
Tuesday, May 6, 2014

Mycoplasma Contamination in Cell-Line Based Experiments

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For a few years now, my EvoSTAR colleague , Bill Langdon , has been exploring the degree to which Mycoplasma bacteria have contaminated expe...