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i'm a chordata! urochordata!

a blog about marine biology, ecology, and a little helping of statistics

Last Build Date: Thu, 21 Dec 2017 21:16:11 +0000


Bayesian SEM with BRMS

Thu, 21 Dec 2017 19:20:22 +0000

Note: for the most up to date version of this, see this post on rpubs Background So, it looks like brms version 2.0 implements multivariate responses – and hence piecewise Structural Equation Modeling in a Bayesian framework. After, it … Continue reading

Introducing the Open Derby (guest post)

Fri, 31 Mar 2017 18:13:55 +0000

Ensuring openness and reproducibility in ecology is an ongoing challenge, although open tools (e.g., R Studio, Github) are free to use, and user support is everywhere. To illustrate how ecology collaborations can fit within an open science framework, we had the … Continue reading

Which library to use to teach linear models & likelihood

Mon, 09 Jan 2017 13:00:04 +0000

I’ve been teaching likelihood to grad students for the past few years using the wonderful bbmle package from Ben Bolker. I really love it’s flexibility and the way you can get students into fitting anything their imagination can countenance. But … Continue reading

Linear Model Power Analysis with Dplyr

Tue, 18 Oct 2016 14:54:54 +0000

I really liked the power analysis example I gave in class today. I feel like I’m finally firing on all cylinders with the tidyverse. So I thought I would post it here, in case it was of use to anyone! … Continue reading

MEOW! It’s Marine Ecoregions in R!

Sat, 28 Mar 2015 06:37:58 +0000

So, I’m on paternity leave (yay! more on that another day – but HOMG, you guys, my daughter is amazing!) and while my daughter is amazing, there are many hours in the day and wee morning where I find myself … Continue reading