Liam Revell @phytools_liam
Evolutionary biologist, R developer, & occasional heterodox. Tweets mostly about phylogenetics... but sometimes speech, the academy, politics, & COVID. faculty.umb.edu/liam.revell/ Providence, Rhode Island Joined May 2013-
Tweets6K
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Following2K
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Friends, colleagues, & other followers. I'm captaining a team in the Ride for Food '25 to raise money for Pete & Andy's Pantry in Rhode Island & no donation to our efforts is too small. To support us, please visit the team page here: ride.threesquaresne.org/team/658184. Thank you!!
By #phytools user request... ancestral state estimation of a discrete trait when some nodes are known: blog.phytools.org/2025/09/ancest….
Cool figure made with the help of #phytools in "Evolution of thumbnails across Rodentia" by @rafaelamissagia et al. in @ScienceMagazine. I especially appreciate that the authors acknowledged using phytools for the plots, something that's often overlooked! doi.org/10.1126/scienc…
Come check out @mayracvidal's departmental seminar at @UMassBoston this Friday! Open to the public. If you'd like to attend via Zoom, please contact me via email & I'll send you the link.
If you're local to Concepción, Chile, & you like #phylogenies, consider registering for this workshop we're offering at @USanSebastian sede Concepción. 👇
If you're local to Concepción, Chile, & you like #phylogenies, consider registering for this workshop we're offering at @USanSebastian sede Concepción. 👇
I suddenly realized why @Klaus_Schlp is a fan of this wine! #threetaxonstatement #phylogenygeek
Next week I'll be teaching in a workshop at @USanSebastian sede Concepción with @lukejharmon & hosted by Cristián Hernández Ulloa. I believe that enrollment is still open, so if you're local to Concepción, Chile, please check it out!
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…).
A Pagel '94 type correlational model for one binary & a second continuous trait in #phytools: blog.phytools.org/2025/07/a-page….
Plotting the x-axis backwards in #phytools phenogram: blog.phytools.org/2025/07/how-to…. (It's easy.)
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….

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