Publications by Bluecology blog
A comparison of terra and stars packages
Comparison of terra and stars packages The other day I wrote a comparison of raster and terra packages. The other newish raster package on the block is stars. So I go through the same code here. If you are starting out with stars, read their manual first. But first some key differences. stars is set-up to work with spatio-temporal arrays (terra a...
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Current approaches to Species Distribution Modelling in R
Current approaches to Species Distribution Modelling in R My course notes for “Current approaches to Species Distribution Modelling in R “ for World Fisheries Congress 2021 are now free online. The course covers tidyverse and sf workflows for models, a beginners intro to modelling options and how to make spatial predictions. There’s also bo...
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Running R code for all combinations of some parameters with lapply karate
Running R code for all combinations of some parameters with lapply karate Sometimes we want to run the same bit of code many times for different parameters. Then if we have multiple parameters, we may want to run the code for all combinations of those parameters. I use what I call ‘lapply karate’ to perform this task. Applications include in ...
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Rules of thumb for the design of ecological experiments
Rules of thumb for the design of ecological experiments Are you planning an experiment in the lab or field, or an observational study? Its a good idea to talk to a statistician before you start. Students often ask me for help with statistics after they’ve collected their data. However, it’s common they need help with statistics because of iss...
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