Tag Archives: R

Video Tutorial: editing R plots in Adobe Illustrator

Adobe Illustrator is a powerful tool for creating and editing figures; unfortunately, it’s also really intimidating. So today at The Molecular Ecologist we’re trying something a little different: a screen-capture video tutorial about using Adobe Illustrator to enhance and edit plots … Continue reading

Posted in howto, R | Tagged , , , , , , , , | 3 Comments

Using R to mine species data

Many of us generate more data than we know what to do with (speaking of which: keep an eye out for the 2016 NGS Field Guide, coming soon!), so it’s easy to forget about the piles of data already at our fingertips. Research potential is … Continue reading

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Quick and dirty tree building in R

One of the major obstacles to turning your sequence data into phylogenetic trees is choosing (and learning) a tree-building program. Confounding this problem is the fact that most researchers will want to perform numerous, complementary analyses, each of which may … Continue reading

Posted in howto, methods, phylogenetics, R, software | Tagged , , , , , , , | 1 Comment

2D Posterior Density Plots in R

I have been grappling with visualizing two dimensional histograms of posterior density distributions of parameters, as estimated by one of your favorite programs – IMa2, MIGRATE-n, MSVAR, etc. All these programs print out distributions of estimated parameters, and here’s a … Continue reading

Posted in bioinformatics, howto, population genetics, R, software | Tagged , , , | 1 Comment

PCA of multilocus genotypes in R

An earlier post from Mark Christie showed up on my feed on calculating allele frequencies from genotypic data in R, and I wanted to put together a quick tutorial on making PCA (Principal Components Analysis) plots using genotypes. I used … Continue reading

Posted in bioinformatics, genomics, howto, population genetics, R, software | Tagged , , | 5 Comments

marmap

A couple years ago, Benoit Simon-Bouhet ended up sharing an office with Eric Pante, then a post-doc fellow in his former lab. The two quickly realized they were in a lab in which few people had the expertise or taste for coding. Thus, on … Continue reading

Posted in community ecology, conservation, evolution, howto, natural history, R, software | Tagged , , , , | Leave a comment

Making Maps with R

First off, thanks to Tim and Jeremy for the invitation to write a guest post here on using R to make maps! As a brief introduction, my name is Kim Gilbert, and I am a Ph.D. student at the University … Continue reading

Posted in howto, R, software | Tagged , , | 106 Comments