Tuesday, February 17, 2015

Tips & Tricks 6: Exploring Data for Outliers

Geomorph users,

A new function in geomorph 2.1.3 allows the user to explore Procrustes superimposed data for outliers (plotOutliers). Here I shall provide a few example for loops to demonstrate how you can explore your data for outliers prior to analyses.


Geomorph update 2.1.3 Now Available!

Geomorph users,

We have uploaded version 2.1.3 to CRAN. The windows and mac binaries have been compiled and the tarball is available.

NOTE: Version 2.1.3 has a small bug in readland.tps()that unfortunately slipped through the cracks. So if you are using this function, you can also download the tarball of beta 2.1.4 here.
UPDATE: or users can install the beta by:
         library(devtools)
         install_github("EmSherratt/geomorph")

This version comes with some small changes, bug fixes and new features: 

Tuesday, February 10, 2015

Geomorph To Feature At SVP 2015

Calling Palaeontology-based Morphometricians,

I am pleased to announce that myself, along with 
Aki Watanabe and Marc Jones will be leading a Symposium and associated workshop on Geometric Morphometrics in Paleontology at the Annual Meeting for the Society of Vertebrate Paleontology in Dallas Texas October 2015.

Thursday, November 20, 2014

Tips & Tricks 5: Extracting Classifiers Using Substring

Today's exercise in another easy one, and is inspired by Ariel Marcy of the University of Queensland, who came up with the algorithm and co-wrote the code below.

Exercise 5 - How to extract classifiers from names of specimens.

Geomorph update 2.1.2 Now Available!

Geomorph users,

We have uploaded version 2.1.2 to CRAN. The windows and mac binaries have been compiled and the tarball is available.

Version 2.1.2 comes with some small changes and new features: 

Monday, July 21, 2014

Geomorph update 2.1.1 now available!

Geomorph users,

We have uploaded version 2.1.1 to CRAN. The windows and mac binaries have been compiled and the tarball is available.

Version 2.1.1 contains small updates and fixes a few small bugs.

Thursday, July 10, 2014

Tips & Tricks 4: Reading In Data Files

Today's exercise is another nice and simple one, and allows you to get used to manipulating datasets in R.

Exercise 4 - How to read a file of coordinate data into R and make sure it is numeric.