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José M. Sallán

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by José M. Sallán

jmsallan.bsky.social
Aesthetics evaluation control in #ggplot #Rstats
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Aesthetics Evaluation Control in ggplot
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Reposted by: José M. Sallán

rmkubinec.bsky.social
My Quarto #rstats tip for big/complex papers is to set up R scripts that do data processing/modeling & save plots/outputs as RDS files. The Quarto can then load the RDS file & make any modifications to the ggplot2 object before plotting. This avoids unwieldy long Quarto docs /w complex caching.
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by José M. Sallán — Reposted by: José M. Sallán

jmsallan.bsky.social
Impact of COVID Lockdowns on Barcelona Air Quality
jmsallan.netlify.app/blog/2025-06...
#rstats
NO2 measured at different stations during lockdowns and in similar periods in 2021-2024.
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Reposted by: José M. Sallán

juliusk.bsky.social
If you see emojis in my R code, it definitely wasn’t ChatGPT, it was me, because I’m cool and young
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by José M. Sallán

jmsallan.bsky.social
In predictive modeling, we use spatial resampling to evaluate how the model performs in different regions of the space. Here is an example with spatialsample in the #tidymodels framework.

jmsallan.netlify.app/blog/spatial...
values of sensitivity in different spatial clusters

by José M. Sallán — Reposted by: Derrick L. Cogburn

jmsallan.bsky.social
Here is an example of explainable machine learning models (decision tress, random forests and regression) using the #tidymodels #Rstats framework in an important problem: predicting cat adoption:

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Explainable Machine Learning Models
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Reposted by: José M. Sallán

datavisfriendly.bsky.social
#TodayinHistory #dataviz #Onthisday #OTD 📊
💀May 1, 1772 Gottfried Achenwall died in Göttingen, Germany 🇩🇪

1748: First use of the term "statistik,'' meaning numbers of the state. Some call him the 'father of statistics'
bit.ly/4m2w3O8
Gottfried Achenwall - Wikipedia
bit.ly
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Reposted by: José M. Sallán

biblioklept.bsky.social
Lucky day | Stray thoughts on the announcement of Thomas Pynchon's novel Shadow Ticket biblioklept.org/2025/04/12/l...
Lucky day | Stray thoughts on the announcement of Thomas Pynchon’s novel Shadow Ticket
For about a decade, a common social media joke (common enough among a certain stripe of nerd) has run something like, Thomas Pynchon seems to be writing the U.S.A. reality right now; another common…
biblioklept.org
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Reposted by: José M. Sallán, Mark E. Schaffer, Peter Campbell , and 3 more

daviddlevine.com
LLMs hallucinating nonexistent software packages with plausible names leads to a new malware vulnerability: "slopsquatting."
LLMs can't stop making up software dependencies and sabotaging everything
: Hallucinated package names fuel 'slopsquatting'
www.theregister.com
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by José M. Sallán

jmsallan.bsky.social
Plotting age pyramids with ggplot #rstats

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A faceted plot of four age pyramids for Catalonia from 1991 to 2011.
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Reposted by: José M. Sallán

pynchonnames.bsky.social
Richard M. Zhlubb
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Reposted by: José M. Sallán

gaddisghost.bsky.social
A rare colour photo graph of a young Samuel Beckett.
A rare colour photo graph of a young Samuel Beckett. His beautiful legs shine in the kitchen light.
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Reposted by: José M. Sallán

pynchonnames.bsky.social
Oedipa Maas
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Reposted by: José M. Sallán

gaddisghost.bsky.social
An early draft of CRASH by JG Ballard, circa 1971.
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by José M. Sallán

jmsallan.bsky.social
And a toy example of stochastic project planning with PERT graphs

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Deterministic and Stochastic Project Planning
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by José M. Sallán

jmsallan.bsky.social
Using the triangular and PERT distributions with the mc2d package:

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Triangular and PERT Probability Distributions
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by José M. Sallán

jmsallan.bsky.social
Some work I have done on Monte Carlo simulation in #Rstats:

Analyzing a Lottery:

jmsallan.netlify.app/blog/2024-10...
Analyzing a Lottery with Monte Carlo Simulation
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by José M. Sallán

jmsallan.bsky.social
#np Can - Live in Keele 1977
Can Live in Keele 1977

by José M. Sallán

jmsallan.bsky.social
Good morning, DM.

Reposted by: José M. Sallán, Niki Frantzeskaki, Cedric de Coning , and 1 more

ferrisjabr.bsky.social
I was deeply disappointed by the lack of nature/science/climate/enviro on many major end-of-year book lists—so I decided to make my own!

Introducing: ✨🎁📚 The 2024 Holiday Gift Guide to Nature & Science Books ✨🎁📚

Please share: Let's make this go viral in time for Black Friday / holiday shopping!
A collage of book covers of new nature & science books. Featured here are Atlas Obscura Wild Life, Dinosaurs at the Dinner Party, Every Living Thing, Alien Earths, Becoming Earth, and Deep Water A collage of book covers of new nature & science books. Featured here are Frostbite, The Inner Clock, How to Kill an Asteroid, The Great River, The Last Fire Season, and Hoof Beats A collage of book covers of new nature & science books. Featured here are The Serviceberry, Not the End of the World, Nature's Ghosts, Meet the Neighbors, The Light Eaters, and Our Moon A collage of book covers of new nature & science books. Featured here are Turning to Stone, The Weight of Nature, What If We Get It Right?, Waves in An Impossible Sea, The Tree Collectors, and Why We Remember
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by José M. Sallán

jmsallan.bsky.social
#np

open.spotify.com/track/5qm0Ki...
Cliffs Of Dover - Instrumental
Eric Johnson · Ah Via Musicom · Song · 1990
open.spotify.com

Reposted by: José M. Sallán

dan-odeckelman.bsky.social
💫Released on this day 1974💥

#musicsky #musiciansky
#progrock
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Reposted by: José M. Sallán

gaddisghost.bsky.social
A very rare picture of author Roberto Bolaño, circa 1973.
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Reposted by: José M. Sallán

sidsmith.bsky.social
Peter Sinfield, King Crimson’s original roadie, lyricist, lights operator, and live sound engineer died yesterday, 14th of November 2024 aged 81.
www.dgmlive.com/news/peter-s...
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Reposted by: José M. Sallán, Ewan Carr

cghlewis.bsky.social
Came across this fun #rstats package from @nrennie.bsky.social that turns clean datasets into messy ones. github.com/nrennie/messy
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by José M. Sallán

jmsallan.bsky.social
Pareto Front in Multicriteria Optimization using #Rstats and #rPref

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Pareto Front in Multicriteria Optimization
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1

by José M. Sallán

jmsallan.bsky.social
I'm a bit late, but see this Elsevier output:
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Reposted by: José M. Sallán

datavisfriendly.bsky.social
#TodayinHistory #datavis #Onthisday #OTD 📊
💀Mar 14, 1884 Adriano Balbi died in Padua, Italy 🇮🇹

1829: The first comparative choropleth thematic maps, showing crimes against persons and crimes against property (with Andre-Michel Guerry)
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Reposted by: José M. Sallán

lakens.bsky.social
Nice example of justifying your alpha level in practice, from a conversation with colleagues yesterday. When deciding whether or not to ask a colleague if they are pregnant, set your alpha level to 0.
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by José M. Sallán

jmsallan.bsky.social
Watts and Strogatz modelled the small-world property starting from a lattice network (high clustering coefficient C, high average path lenght L), and rewiring some nodes with probability p. For small values of p appeared the small-world property: low L, high C:

References

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