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Pages
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Posts
Simulating virtual species with cellular automata: Python vs Julia
Published:
Virtual species are often used in ecology to test modelling methods. In my research, I am using virtual species to test species distribution models, but some of the initial work that I am doing involves understanding methods for implementing these simulations. A lot of the work that I do uses Cellular Automata and Individual-Based Models to incorporate processes such as dispersal and population dynamics. However, when developing my own models I quickly found that computational processing time is a big bottleneck.
projects
Portfolio item number 1
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Short description of portfolio item number 1
Portfolio item number 2
Published:
Short description of portfolio item number 2
publications
Presence-only species distribution models are sensitive to sample prevalence: Evaluating models using spatial prediction stability and accuracy metrics
Published in Ecological Modelling, 2020
Using virtual species we test how spatial predictions of presence-background species distribution models vary with sample size. Of the four algorithms tested, Maxent was the most stable with spatial predictions varying much less in comparison to the algorithms. Machine learning methods Random Forest and Support Vector Machines are sensitive to background sample size, with significant differences in spatial predictions observed.
Recommended citation: Grimmett, L., Whitsed, R., & Horta, A. (2020). Presence-only species distribution models are sensitive to sample prevalence: Evaluating models using spatial prediction stability and accuracy metrics. Ecological Modelling, 431(June), 109194. https://doi.org/10.1016/j.ecolmodel.2020.109194
talks
Talk 1 on Relevant Topic in Your Field
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This is a description of your talk, which is a markdown files that can be all markdown-ified like any other post. Yay markdown!
Conference Proceeding talk 3 on Relevant Topic in Your Field
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This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.
teaching
Teaching experience 1
Undergraduate course, University 1, Department, 2014
This is a description of a teaching experience. You can use markdown like any other post.
Teaching experience 2
Workshop, University 1, Department, 2015
This is a description of a teaching experience. You can use markdown like any other post.