Module 6: Geometric morphometrics
Welcome to Module 8: Geometric Morphometrics! Across these two days, we’ll focus on why and how to collect different types of shape data and the challenges of analysing high-dimensional trait data.
| When | What |
|---|---|
| August 29 | Intro and landmark-based GMM |
| August 30 | Outline-based GMM and beyond |
Purpose
- Learn how to collect 2D landmark and 2D outline data
- Learn how to explore geometric morphometric data
- Learn how to test hypotheses with GMM data
- Learn how to visualize shape change
Slideshows
- 1. Introductions
- 2. A Brief History of Morphometrics
- 3. Outline Data Analysis
- 4. Advanced Topics in GMM
R code
- 0. Setup
- 1. Collecting Outline data
- 2. Collecting and Analyzing 2D landmark data
- 3. Conduct Ellipitcal Fourier Analysis
- 3.5. Conduct Ellipitcal Fourier Analysis step2
- 4. Analyze EFA Data
- 5. Morphospace: Exploring your data
- 6. Practice and Synthesis
Data Files
- Raw Data- Belemnite Outlines
- Smoothed Data- Belemnite Outlines
- 3D Mesh file- Canis lupis
- 3D Mesh file- Alligator mississipiensis
- 2D landmark scheme for mustelids
- Links for 2D landmark scheme
- 3D landmarks on mammals
- Landmark IDs for mammal 3D data
- 3D landmarks on crocs
- Croc Phylogeny
- ecology and taxonomy data for crocs
- Mammal Skull Images
- Belemnite Hook Images