Blog Archives

Free Geometric Mophometrics – a Summary

June 18, 2014
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I have seen a few questions floating around the interwebs recently from people starting up in morphometrics and wondering what is the best software to use. I am inspired by my fellow 3D expert Dr. Peter Falkingham's blog post on free sof...

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Geomorph 2.1 Now Available!

June 2, 2014
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Geomorph users,We have uploaded version 2.1 to CRAN. The windows and mac binaries have been compiled and the tarball is available.Version 2.1 comes with some small changes and new features: Mike Collyer has now officially joined the geomorph ...

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Tips & Tricks 3: Ordering Datasets Alphabetically

April 18, 2014
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Today's exercise is another nice and simple one, and allows you to get used to manipulating datasets in R.Exercise 3 - How to reorder the dataset alphabetically by specimen name.Say you have a 2D array dataset with specimen names (here species) as the ...

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Physignal Input is 3D Array Only

April 17, 2014
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Geomorph users,The function physignal() in version 2.0 has a mistake in the manual regarding the input matrix: only 3D array can be used at this time. The next version will have this generalized to 2D array and 3D array. In the meantime,...

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Geomorph 3D Visualization

April 16, 2014
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Geomorph 3D Visualization

Dear geomorph users,version 2.0 of geomorph brings new developments in how shape deformations from 3D coordinate shape data can be viewed. We have implemented warping of 3D surface files (e.g., .ply files), which allows the user to visualize the shape deformations along Principal Component axes, Multivariate Regression slopes, Partial Least Squares axes and group differences, to name a few.The new function warpRefMesh() reads in a .ply...

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Geomorph Version 2.0 Now Available!

April 16, 2014
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Geomorph users,We have uploaded version 2.0 to CRAN. The windows and mac binaries have been compiled and the tarball is available.Version 2.0 comes with substantial changes and new features: New function phylo.pls()for assessing the multivari...

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Geomorph 1.1-6 Now Available!

February 5, 2014
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Geomorph users,We have uploaded version 1.1-6 to CRAN. The windows and mac binaries have been compiled and the tarball is available.The issue of the Mac OS X installers has been resolved. The problem stemmed from a dependancy (to JPEG), which was ...

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Tips & Tricks 2: Deleting Specimens and Landmarks

January 17, 2014
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Today's exercise is nice and simple, and allows you to get used to manipulating datasets in R.Exercise 2 - How to delete specimens or landmarks from a dataset of morphometric data (shape data).When you load your shape data into R with Geomorph (with th...

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Tips & Tricks 1: Averaging Data By Group

January 15, 2014
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I thought it would be helpful to new users of Geomorph and R to discuss some tips and tricks for manipulating morphometric datasets in R. So I am starting a series called "Tips & Tricks". These will be published as I think of them, and assume you h...

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Geomorph and MacOS X

January 3, 2014
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Happy New Year to all Geomorph users,I have received a few emails from Mac users wanting to update to the new version of Geomorph. Unfortunately there is still a lag on the CRAN repository for a MacOS X binary of version 1.1-5. While this is a nuisance...

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