Sometimes, geographic information is given as street intersections rather than GPS coordinates or street addresses with house numbers. Intersections can be geocoded with Google Maps (Limited free usage with API), ArcGIS (paid software) or other web services which parse text and return coordinates. If you are lucky, there may be ...

Some major changes have occurred to baRcodeR since the last post on version 0.1.2 to ease the process of making printable labels like below. As of baRcodeR 0.1.5: After extremely helpful reviews, baRcodeR was accepted as part of the rOpenSci project....

baRcodeR 0.1.2 is released on CRAN today! Download and install by

install.packages("baRcodeR")

Example linear barcode The major feature of this release is the ability to print linear (a.k.a normal) barcodes through specifying type = "linear" in create_PDF() rather than type = "matrix" which prints the usual QR code. The github ...

Icon noun A person or thing regarded as a representative symbol or as worthy of veneration. A symbol or graphic representation on a screen of a program, option, or window. from Oxford English Dictionaries Fontawesome and the noun project along with other icon provides produce and distribute beautiful icons for ...

R package authors sometimes like to add the letter “r” to package names (for example, the tidyverse packages). baRcodeR also has an extra “r” at the end as well. I thought I could use some available data see if the letter frequency changes compared to the English language average. I ...

From the last post, Vancouver has several common genus in its collection, such as Prunus and Acer. So rather than analyzing the diversity of Vancouver tree species on a species level, we could, with the help of some R packages, visualize the variety of taxonomic groups. First, we format the ...

Following from the past post, this post is focused on visualizing diversity through the package vegan and also maps showing the presence of native/introduced trees. The most important code in this post is manipulating Spatial*DataFrames. The same files will be read in, including the native/introduced status downloaded ...

The recommended way to figure out the best parameters to use in stacks for denovo RAD-seq analysis is to test parameter combinations for M and n. (Paris et al. 2017, Rochette and Catchen 2017). The authors of stacks recommend testing M and n from 1 to 9 and then visualizing the distribution of loci ...

Motivation: I created this image as part of a graduate course I audited in 2018. In short, I learned the very simple basics of working with a shapefile (.kml) in R. Otherwise, everything was done using ggplot2 and base R. It also was originally knit as an html file with tabs. ...