Liam Revell (@phytools_liam) 's Twitter Profile
Liam Revell

@phytools_liam

Evolutionary biologist, R developer, & occasional heterodox. Tweets mostly about phylogenetics... but sometimes speech, the academy, politics, & COVID.

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linkhttps://faculty.umb.edu/liam.revell/ calendar_today09-05-2013 00:41:20

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Liam Revell (@phytools_liam) 's Twitter Profile Photo

Amazing figure made with the help of #Rstats #phytools in "Adaptations to marine environments and the evolution of slow-paced life histories in endotherms" by Sol et al. in Nature Communications: doi.org/10.1038/s41467….

Amazing figure made with the help of #Rstats #phytools in "Adaptations to marine environments and the evolution of slow-paced life histories in endotherms" by Sol et al. in <a href="/NatureComms/">Nature Communications</a>: doi.org/10.1038/s41467….
Liam Revell (@phytools_liam) 's Twitter Profile Photo

Today on the #phytools blog: Why parameter estimates in fitPagel can hit upper bounds, even if they don't in fitMk for each trait modeled separately.... blog.phytools.org/2025/06/why-pa….

Today on the #phytools blog: Why parameter estimates in fitPagel can hit upper bounds, even if they don't in fitMk for each trait modeled separately.... blog.phytools.org/2025/06/why-pa….
Transmitting Science | Online courses and more (@transmitscience) 's Twitter Profile Photo

New in #phytools! Semi-threshold trait evolution model using fitsemiThresh  Analyzes traits based on hidden continuous properties with discretized diffusion approximation 📊

Liam Revell (@phytools_liam) 's Twitter Profile Photo

I'm organizing an #Evol2025 meet-up run tomorrow (Sunday) at 6:15am. All ability levels & we'll do an out-and-back -- so no chance of getting lost. Meeting outside the Classic Center. Please email me if you want more details, or just show up!

I'm organizing an #Evol2025 meet-up run tomorrow (Sunday) at 6:15am. All ability levels &amp; we'll do an out-and-back -- so no chance of getting lost. Meeting outside the Classic Center. Please email me if you want more details, or just show up!
Liam Revell (@phytools_liam) 's Twitter Profile Photo

A multi-σ2, multi-μ, discrete-state-dependent trended Brownian model using the discretized diffusion approximation in #phytools: blog.phytools.org/2025/07/a-mult….

A multi-σ2, multi-μ, discrete-state-dependent trended Brownian model using the discretized diffusion approximation in #phytools: blog.phytools.org/2025/07/a-mult….
Liam Revell (@phytools_liam) 's Twitter Profile Photo

Much more about a discrete trait dependent multi-trend trended Brownian motion model in #phytools: blog.phytools.org/2025/07/more-a….

Much more about a discrete trait dependent multi-trend trended Brownian motion model in #phytools: blog.phytools.org/2025/07/more-a….
Liam Revell (@phytools_liam) 's Twitter Profile Photo

A discrete character dependent Brownian motion with a trend model in #phytools (& it works pretty good): blog.phytools.org/2025/07/a-disc….

A discrete character dependent Brownian motion with a trend model in #phytools (&amp; it works pretty good): blog.phytools.org/2025/07/a-disc….
Liam Revell (@phytools_liam) 's Twitter Profile Photo

A Pagel '94 type correlation test with one binary trait and a second continuous character via the discretized diffusion approximation using #phytools: blog.phytools.org/2025/07/a-page….

A Pagel '94 type correlation test with one binary trait and a second continuous character via the discretized diffusion approximation using #phytools: blog.phytools.org/2025/07/a-page….
Liam Revell (@phytools_liam) 's Twitter Profile Photo

A Pagel '94 type correlational model for one binary & a second continuous trait in #phytools: blog.phytools.org/2025/07/a-page….

A Pagel '94 type correlational model for one binary &amp; a second continuous trait in #phytools: blog.phytools.org/2025/07/a-page….
Liam Revell (@phytools_liam) 's Twitter Profile Photo

I'm not sure how, but I almost completely forgot I did this in #phytools even though it was only, like, two weeks ago: "A Pagel '94 type correlation model with one binary trait and one continuous character" using the discretized diffusion approximation (blog.phytools.org/2025/07/a-page…).

I'm not sure how, but I almost completely forgot I did this in #phytools even though it was only, like, two weeks ago: "A Pagel '94 type correlation model with one binary trait and one continuous character" using the discretized diffusion approximation (blog.phytools.org/2025/07/a-page…).
Liam Revell (@phytools_liam) 's Twitter Profile Photo

Next week I'll be teaching in a workshop at Universidad San Sebastián sede Concepción with Luke Harmon & hosted by Cristián Hernández Ulloa. I believe that enrollment is still open, so if you're local to Concepción, Chile, please check it out!

Next week I'll be teaching in a workshop at <a href="/USanSebastian/">Universidad San Sebastián</a> sede Concepción with <a href="/lukejharmon/">Luke Harmon</a> &amp; hosted by Cristián Hernández Ulloa. I believe that enrollment is still open, so if you're local to Concepción, Chile, please check it out!
Liam Revell (@phytools_liam) 's Twitter Profile Photo

If you're local to Concepción, Chile, & you like #phylogenies, consider registering for this workshop we're offering at Universidad San Sebastián sede Concepción. 👇