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Eric Maugendre about data @[email protected] · 2026-03-22 · 17:38 UTC

About metrics for measuring agreement on regression on continuous datasets:
Reasons to avoid R² and use RMSE instead: https://feat.engineering/03-Review_of_the_Modeling_Process.html#sec-reg-metrics

From Max Kuhn @topepo, Kjell Johnson (2026), "Feature Engineering and Selection: A Practical Approach for Predictive Models"

#prediction #dataDev #modelEvaluation #regression #modelling #linearRegression #modeling #probability #probabilities #statistics #stats #gotcha

#prediction #datadev #modelevaluation #regression #modelling #linearregression

Eric Maugendre about data @[email protected] · 2026-03-22 · 17:38 UTC

About metrics for measuring agreement on regression on continuous datasets:
Reasons to avoid R² and use RMSE instead: https://feat.engineering/03-Review_of_the_Modeling_Process.html#sec-reg-metrics

From Max Kuhn @topepo, Kjell Johnson (2026), "Feature Engineering and Selection: A Practical Approach for Predictive Models"

#prediction #dataDev #modelEvaluation #regression #modelling #linearRegression #modeling #probability #probabilities #statistics #stats #gotcha

#prediction #datadev #modelevaluation #regression #modelling #linearregression

Eric Maugendre about data @maugendre · 2026-03-22 · 17:38 UTC

About metrics for measuring agreement on regression on continuous datasets:
Reasons to avoid R² and use RMSE instead: https://feat.engineering/03-Review_of_the_Modeling_Process.html#sec-reg-metrics

From Max Kuhn @topepo, Kjell Johnson (2026), "Feature Engineering and Selection: A Practical Approach for Predictive Models"

#prediction #dataDev #modelEvaluation #regression #modelling #linearRegression #modeling #probability #probabilities #statistics #stats #gotcha

#prediction #datadev #modelevaluation #regression #modelling #linearregression

Eric Maugendre about data @[email protected] · 2026-03-22 · 17:38 UTC

About metrics for measuring agreement on regression on continuous datasets:
Reasons to avoid R² and use RMSE instead: https://feat.engineering/03-Review_of_the_Modeling_Process.html#sec-reg-metrics

From Max Kuhn @topepo, Kjell Johnson (2026), "Feature Engineering and Selection: A Practical Approach for Predictive Models"

#prediction #dataDev #modelEvaluation #regression #modelling #linearRegression #modeling #probability #probabilities #statistics #stats #gotcha

#gotcha #stats #statistics #probabilities #probability #modeling

Eric Maugendre about data @[email protected] · 2026-03-22 · 17:38 UTC

About metrics for measuring agreement on regression on continuous datasets:
Reasons to avoid R² and use RMSE instead: https://feat.engineering/03-Review_of_the_Modeling_Process.html#sec-reg-metrics

From Max Kuhn @topepo, Kjell Johnson (2026), "Feature Engineering and Selection: A Practical Approach for Predictive Models"

#prediction #dataDev #modelEvaluation #regression #modelling #linearRegression #modeling #probability #probabilities #statistics #stats #gotcha

#prediction #datadev #modelevaluation #regression #modelling #linearregression

Eric Maugendre about data @[email protected] · 2025-11-19 · 20:54 UTC

"It is not uncommon for an analyst to conduct a supervised analysis of data to detect which predictors are significantly associated with the outcome. These significant predictors are then used in a visualization (such as a heat map or cluster analysis) on the same data. Not surprisingly, the visualization reliably demonstrates clear patterns between the outcomes and predictors and appears to provide evidence of their importance. However, since the same data are shown, the visualization is essentially cherry picking the results that are only true for these data and which are unlikely to generalize to new data."

Wrote Max Kuhn @topepo and Kjell Johnson, 2019, in "Feature Engineering and Selection: A Practical Approach for Predictive Models" https://bookdown.org/max/FES/

#correlations #NoFreeLunch #electricity #agriculture #livestock #renewables #dataViz #emissions #GHG #methane #GreenhouseForcing #dataScience #featureEngineering #correlation

#correlations #nofreelunch #electricity #agriculture #livestock #renewables

Eric Maugendre about data @[email protected] · 2025-11-19 · 20:54 UTC

"It is not uncommon for an analyst to conduct a supervised analysis of data to detect which predictors are significantly associated with the outcome. These significant predictors are then used in a visualization (such as a heat map or cluster analysis) on the same data. Not surprisingly, the visualization reliably demonstrates clear patterns between the outcomes and predictors and appears to provide evidence of their importance. However, since the same data are shown, the visualization is essentially cherry picking the results that are only true for these data and which are unlikely to generalize to new data."

Wrote Max Kuhn @topepo and Kjell Johnson, 2019, in "Feature Engineering and Selection: A Practical Approach for Predictive Models" https://bookdown.org/max/FES/

#correlations #NoFreeLunch #electricity #agriculture #livestock #renewables #dataViz #emissions #GHG #methane #GreenhouseForcing #dataScience #featureEngineering #correlation

#correlations #nofreelunch #electricity #agriculture #livestock #renewables

Eric Maugendre about data @maugendre · 2025-11-19 · 20:54 UTC

"It is not uncommon for an analyst to conduct a supervised analysis of data to detect which predictors are significantly associated with the outcome. These significant predictors are then used in a visualization (such as a heat map or cluster analysis) on the same data. Not surprisingly, the visualization reliably demonstrates clear patterns between the outcomes and predictors and appears to provide evidence of their importance. However, since the same data are shown, the visualization is essentially cherry picking the results that are only true for these data and which are unlikely to generalize to new data."

Wrote Max Kuhn @topepo and Kjell Johnson, 2019, in "Feature Engineering and Selection: A Practical Approach for Predictive Models" https://bookdown.org/max/FES/

#correlations #NoFreeLunch #electricity #agriculture #livestock #renewables #dataViz #emissions #GHG #methane #GreenhouseForcing #dataScience #featureEngineering #correlation

#correlations #nofreelunch #electricity #agriculture #livestock #renewables

Eric Maugendre about data @[email protected] · 2025-11-19 · 20:54 UTC

"It is not uncommon for an analyst to conduct a supervised analysis of data to detect which predictors are significantly associated with the outcome. These significant predictors are then used in a visualization (such as a heat map or cluster analysis) on the same data. Not surprisingly, the visualization reliably demonstrates clear patterns between the outcomes and predictors and appears to provide evidence of their importance. However, since the same data are shown, the visualization is essentially cherry picking the results that are only true for these data and which are unlikely to generalize to new data."

Wrote Max Kuhn @topepo and Kjell Johnson, 2019, in "Feature Engineering and Selection: A Practical Approach for Predictive Models" https://bookdown.org/max/FES/

#correlations #NoFreeLunch #electricity #agriculture #livestock #renewables #dataViz #emissions #GHG #methane #GreenhouseForcing #dataScience #featureEngineering #correlation

#correlation #featureengineering #datascience #greenhouseforcing #methane #ghg

Eric Maugendre about data @[email protected] · 2025-11-19 · 20:54 UTC

"It is not uncommon for an analyst to conduct a supervised analysis of data to detect which predictors are significantly associated with the outcome. These significant predictors are then used in a visualization (such as a heat map or cluster analysis) on the same data. Not surprisingly, the visualization reliably demonstrates clear patterns between the outcomes and predictors and appears to provide evidence of their importance. However, since the same data are shown, the visualization is essentially cherry picking the results that are only true for these data and which are unlikely to generalize to new data."

Wrote Max Kuhn @topepo and Kjell Johnson, 2019, in "Feature Engineering and Selection: A Practical Approach for Predictive Models" https://bookdown.org/max/FES/

#correlations #NoFreeLunch #electricity #agriculture #livestock #renewables #dataViz #emissions #GHG #methane #GreenhouseForcing #dataScience #featureEngineering #correlation

#correlations #nofreelunch #electricity #agriculture #livestock #renewables

Hashtag Lists @[email protected] · 2023-07-19 · 17:57 UTC

CW: Scientists in the Formal Sciences - Long List

Scientists in the Formal Sciences

• Published (not necessarily in field)

Please Message for Additions, Deletions or Edits

Artificial Intelligence (#AI)
Amsch, Jesper @jesper
Aspuru-Guzik, Alán @aspuru
Bittremieux, Wout @wout
Carpenter, Anne E @DrAnneCarpenter
Delaneey, Brendan @bcdelaney1
Ehsan, Upol @upol
Fagherazzi, Guy @gfaghe
Guest, Olivia @olivia
Guha, Rajarshi @rguha
Honnibal, Matthew @honnibal
Isert, Clemens @clemensisert
Kramer, Roban H @roban
Lieto, Antonio @antoniolieto
Mamo, Nicholas @memonick
Marquetand, Philip @marquetand
Miller, Tristan @Logological
Mohan, Shiwali @shiwali
Molinari, Julia @serenissimaj
Moore, Jason H @moorejh
Pavlic, Theodore P @tedpavlic
Sinapayen, Lana @lana
Tyka, Mike @mtyka

• Machine Learning
Azencott, Chloé-Agathe @cazencott
Bayer, Philipp @PhilippBayer
Caufield, Harry @jhc
Cerisara, Christophe @cerisara
Grøftehauge, Morten K @drgroftehauge
Hunt, Emily Lauren @emilydoesastro
Ji, Yangfeng @yangfeng
Lehmann, Jens @jenslehmann
Saphra, Naomi @nsaphra
Stowell, Dan @danstowell
Uruñuela, Eneko @eurunuela
Wildani, Avani @avani
Wu, John F @jwuphysics

• Natural Language Processing
Cerisara, Christophe @cerisara
Honnibal, Matthew @honnibal
Ji, Yangfeng @yangfeng
Kasprzik, Anna @SemAntiKast
Miller, Tristan @Logological
Saphra, Naomi @nsaphra
Scheffler, Tatjana @tschfflr

Fedi.Directory Machine Learning
GitHub Artificial Ingelligence
Trunk Machine Learning & Artificial Intelligence

Category Theory
Capucci, Matteo @mc
Emir, Burak @burakemir
Grossack, Chris @hallasurvivor
Lama, Vishal @vishallama
Milewski, Bartosz @BartoszMilewski
Virgo, Nathaniel @Nathaniel

Cheminformaticians & Computational Chemists
Aspuru-Guzik, Alán @aspuru
Berger, Raphael JF @rjf_berger
Berka, Karel @caco3
O'Boyle, Noel M @baoilleach
Cavalleri, Matteo @physicsteo
Colombo, Giorgio @lab_colombo
Coudert, François-Xavier @fxcoudert
Cramer, Christopher J @ChemProfCramer
Croft, Anna K @annakcroft
Gaita-Ariño, Alejandro @agaitaarino
Garcia-Sosa, Alfonso T @ATGarciaSosa
Guha, Rajarshi @rguha
Henry, Andrew H @bspahh
Hernandez, Rigoberto @EveryWhereChem
Hoyt, Charles Tapley @cthoyt
Huang, David Z @davidzhuang
Isert, Clemens @clemensisert
Keller, Bettina G @BettinaKeller
Lieto, Antonio @antoniolieto
Margraf, Johannes @margraf
Marquetand, Philip @marquetand
O'Boyle, Noel M @baoilleach
Probst, Daniel @skepteis
Rajan, Kohulan @Kohulan
Rutz, Adriano @adafede
Walsh, Aron @lonepair
Willighagen, Egon @[email protected] / @[email protected]

Fedi.Directory Molecular Dynamics
GitHub Cheminformaticians and Computational Chemists

Cognitive Science
Beaudoin, Luc P @LucCogZest
Boehly, Thibault @thibhly
BDe Baene, Wouter @wdebaene
Fisher, Simon E @ProfSimonFisher
Guest, Olivia @olivia
Haroz, Steve @sharoz
Jones, Steven J @Unampho
Lieto, Antonio @antoniolieto
Uruñuela, Eneko @eurunuela

Computer Science
Adams, Jane Lydia @janeadams
Andreani, Virgile @Armavica
Aubert, Clément @clementaubert
Barba, Lorena A @labarba
Buttfield-Addison, Mars @TheMartianLife

Cabanela, Juan E @Juan_Kinda_Guy
Canonne, Clément @ccanonne
Cheplygina, Veronika @DrVeronikaCH
Clouston, Ranald @RanaldClouston
Dautenhahn, Nathan @daut
Easterbrook, Steve @steve
Eberl, Manuel @pruvisto
Feliciani, Thomas @thofel
Fiesler, Casey @cfiesler
Fredericks, Erik M @mrdoktorprofessor
Fressengeas, Nicolas @fresseng
Fraga, Eric S @ericsfraga
Hancock, John M @jmhancock
Heinemann, Christian @chrxh
Hubbard, Philip @philiphubbard
Jarosz, Wojciech @wjarosz
Jones, Shawn M @shawnmjones
Kasprzik, Anna @SemAntiKast
Kurniawan, Kemal @kmkurn
Latour, Anna LD @anna
Martens, Chris @chrisamaphone
Menczer, Filippo @fil
Page, Andrew J @andrewjpage
Ralph, Paul @paulralph
Regehr, John @regehr
Riveni, Mirela @mirela
Schubotz, Moritz @schubotz
Steinegger, Martin @martinsteinegger
Taylor, Michael P @mike
Vanderplas, Jake @jakevdp
Varma, Akshar @aksharvarma
Virgo, Nathaniel @Nathaniel
Viscownti, Alessia @alesssia
Weber-Wulff, Debora @WiseWoman

Fedi.Directory Computing
Fedi.Directory High Performance Computing
Fedi.Directory Networks
Fedi.Directory Quantum Computing

Data Science
Albers, Casper J @caal
Angst, Mario @mario_angst_sci
Berens, Philipp @CellTypist
Bonsma-Fisher, Madeleine @mbonsma
Breuer, Johannes @JohannesBreuer
Brooker, Marc @marcbrooker
Butler, Jessica E @JessButler
Cardoso-Silva, Jonathan @jonjoncardoso
Charpentier, Arthur @freakonometrics
Cocks, Greg @GregCocks
Dalla Riva, Giulio Valentino @gvdr
Eddelbuettel, Dirk @eddelbuettel
Fagherazzi, Guy @gfaghe
Fijten, Rianne @riannefijten
Gómez-Dans, José @jgomezdans
Gray, Jonathan WY @jwyg
Greer, Phil J @pgreer
Grøftehauge, Morten K @drgroftehauge
Haas, Marcel R @harcel
Haroz, Steve @sharoz
Hyde, Elaina @AstroHyde
Jessen, Walter @wj
Kedzierska, Kasia Zofia @kzkedzierska
Keegan, Brian C @bkeegan
Kline, David @DavidKline
Kramer, Roban H @roban
Krispin, Rami @ramikrispin
Lindsay, Grace W @Neurograce
Mahmoudian, Mehrad @Mehrad
Matthews, Paul @paulusm
Mathieu, Edouard @edmat
Mekaru, Sumiko @Sumiko_Mekaru
Meys, Joris Fa @JorisMeys
O'Donnell, Cian @cian
Peltzer, Alexander @alex_peltzer
Pierce, Benjamin Franklin @BenFPiercePhD
Scherer, Cédric @CedScherer
Schwarze, Alice C @aliceschwarze
Seibold, Heidi @HeidiSeibold
Sinha, Manisha @manisha
Sochacki, Paul @RebelGeek99
Steinbach, Daniel @danielsteinbach
Stevance, Heloise F @sydonahi
Stevens, Abigail L @abbie
Tennant, Peter WG @pwgtennant
Thomas, Rachel L @math_rachel
Van de Velde, Jorn @jornvdv
Waterhouse, Robert @rmwaterhouse
Weissgerber, Tracey L @T_Weissgerber
Zakour, Nouri Ben @genomiss

Decision Theory
Byrd, Nick @ByrdNick
Dechaume-Moncharmont, François-Xavier @fxdm
DeWitt, Eric EJ @eejd
Hui, Yong Xin @yongxinhui
Kramer, Roban H @roban
Redish, A David @adredish

Game Theory
Bergstrom, Carl T @ct_bergstrom
Capucci, Matteo @mc
Rowlett, Peter @peterrowlett

Information Technology
Callahan, Brian Robert @bcallah
Wright, Bryan @catselbow

Trunk Information Technology

Information Theory
Aldrich, Chris @chrisaldrich
Bergstrom, Carl T @ct_bergstrom
Brown, Leah @leahdriel
Delaneey, Brendan @bcdelaney1

Logic
Clouston, Ranald @RanaldClouston
Emir, Burak @burakemir
Grafe, Friedrich Wilhelm @Wilhelm_Grafe
Grossack, Chris @hallasurvivor
Lama, Vishal @vishallama
Pearce, Gareth R @GarethRPearce
Uckelman, Sara L @doctorlogic
Wenmackers, Sylvia @SylviaFysica
Zach, Richard @rrrichardzach

Mathematics
Artigiani, Mauro @m_artigiani
Baez, John C @johncarlosbaez
Berger, Raphael JF @rjf_berger
Bolker, Ben @bbolker
Capucci, Matteo @mc
Chambert-Loir, Antoine @antoinechambertloir
Charpentier, Arthur @freakonometrics
Colquitt, Daniel J @danielcolquitt
D’Agostino, Susan @susan_dagostino
Devlin, Keith @KeithDevlin
Escardó, Martín H @MartinEscardo
Garcia Moreno-Esteva, Enrique @Egarcia
Gowers, Timothy @wtgowers
Griffith, Sarah C @sc_griffith
Kahle, Thomas @tomkalei
Hill, Edward M @EdMHill
Joshi, Nalini @monsoon0
Lindsay, Grace W @Neurograce
Milewski, Bartosz @BartoszMilewski
Pagel, Christina @chrischirp
Phan, Christopher @chrisphan
Ramello, Simone @ramellus
Rowlett, Peter @peterrowlett
Schwarze, Alice C @aliceschwarze
Segerman, Henry @henryseg
Small, Michael @Small
Strogatz, Steven @stevenstrogatz
Tao, Terence @tao
Thomas, Rachel L @math_rachel
Vatter, Vincent @VinceVatter
Wright, Colin @ColinTheMathmo
Xavier, Somen @somenxavier

Fedi.Directory Mathematics
TrueSciPhi Mathematicians
Trunk Mathematics

Mathematical Biology
Aldrich, Chris @chrisaldrich
Allen, Benjamin @plektix
Etienne, Jocelyn @jocelyn_etienne
Maclaren, Oliver J @omaclaren
Plank, Michael @MichaelPlankNZ
Ralph, Peter @petrelharp
Schreiber, Sebastian @SebastianSchreiber
Yates, Kit @kityates

Network Science
Dalla Riva, Giulio Valentino @gvdr
De Domenico, Manlio @manlius
Jensen, Lars Juhl @larsjuhljensen
Riveni, Mirela @mirela
Virgo, Nathaniel @Nathaniel

Number Theory
Chambert-Loir, Antoine @antoinechambertloir
Garcia Moreno-Esteva, Enrique @Egarcia
Lama, Vishal @vishallama
Litt, Daniel @littmath

Probability
Taleb, Nassim Nicholas @nntaleb
Varma, Akshar @aksharvarma
Wenmackers, Sylvia @SylviaFysica
Whelan, John T @jtwsma

Statistics
Albers, Casper J @caal
Apiolaza, Luis A @ojala
Betancourt, Michael @betanalpha
Bolker, Ben @bbolker
Borrell, Luisa N @lborrell
Butler, Ken @nxskok
Charpentier, Arthur @freakonometrics
Dellago, Christoph @CHHDellago
Donnachie, Ewan R @ERDonnachie
Eddelbuettel, Dirk @eddelbuettel
Falk, Markus @falk
Fijten, Rianne @riannefijten
Greer, Phil J @pgreer
Harrell Jr, Frank E @f2harrell
Honner, Patrick @phonner
Hunt, Emily Lauren @emilydoesastro
Jenkins, James S @ProfDoubleJ
Kline, David @DavidKline
Kuhn, Max @topepo
Mackinnon, Sean P @spmackinnon
Marcum, Christopher Steven @csmarcum
Meys, Joris Fa @JorisMeys
Montenegro-Montenegro, Esteban @montenegro
Moss, Rob @rob_models
Schork, Joachim @StatisticsGlobe
Schwarz, Ulrich S @UlrichSchwarz
Tanaka, Emi @emitanaka
Viechtbauer, Wolfgang @wviechtb
Wang, Steve C @SteveWang251
Weissgerber, Tracey L @T_Weissgerber
Whelan, John T @jtwsma

Systems Theory
Allbright, Jef @jef
Roberts, Pauline @systemspractitioner
Wahl, Christian @chrwahl
Wildani, Avani @avani

More extensive lists on Mastodon can be found exploring the following

Fedi.Directory - Science & Humanities
find.sciences.social - Find Academics on Mastodon
GitHub - Academics on Mastodon Lists
TrueSciPhi - Curated science, philosophy, and mathematics lists covering podcasts, Mastodon, and Bluesky
Trunk - allows you to mass-follow a bunch of people

(Click to access Natural (Applied, Life & Physical) & Social Sciences)

(See Index for More Hashtags)

#SciFedi #Scientists #FediScientists

#ai #scifedi #scientists #fediscientists

Max Kuhn @topepo · 2025-11-12 · 17:48 UTC

We're hiring an open-source #python developer focused on modeling APIs!

https://tidyverse.org/blog/2025/11/python-open-source-developer/

#numpy #scipy #scikitlearn

#python #numpy #scipy #scikitlearn

Max Kuhn @topepo · 2024-04-02 · 17:10 UTC

Are you very familiar with regression spline functions? Our new ML book has a new Github pull request with spline and polynomial basis expansion materials.

Any review would be appreciated!

https://github.com/aml4td/website/pull/37

#rstats #splines

Max Kuhn @topepo · 2022-11-22 · 18:05 UTC

New PolicyViz Podcast episode with yours truly!

#rstats #tidymodels #caret

https://policyviz.com/podcast/episode-227-max-kuhn/

#rstats #tidymodels #caret

Hannah Celsius @[email protected] · 2026-05-14 · 10:38 UTC

Iemand deelde dit net, maar ik ben het kwijt wie, sorry, wilde het boosten...
Anyway.
Goed stuk. Over hoe verschillende manieren van je uitspreken valide zijn, en niet op voorhand moeten worden uitgesloten.

Mag het ook eens wat minder rationeel a.u.b.? door Simon Truwant voor MO*

https://www.mo.be/blog/mag-het-ook-eens-wat-minder-rationeel-aub

#onrecht #verzet #tonepolicing

#tonepolicing #verzet #onrecht

Terence Eden @[email protected] · 2026-04-27 · 10:08 UTC

@TodePond there was a nudel session at #OggCamp. Brilliant to see people going from confusion to creation 😃

#oggcamp

zool @[email protected] · 2026-04-26 · 05:46 UTC

@TodePond nm ignore me, i'm half asleep https://codeberg.org/munshkr/flok #flok

#flok

zool @[email protected] · 2026-04-26 · 05:46 UTC

@TodePond nm ignore me, i'm half asleep https://codeberg.org/munshkr/flok #flok

#flok

zool @[email protected] · 2026-04-26 · 05:46 UTC

@TodePond nm ignore me, i'm half asleep https://codeberg.org/munshkr/flok #flok

#flok

Otimsis @[email protected] · 2026-04-18 · 16:50 UTC

@TodePond A, so I need to share the link. Here:
https://flok.cc/s/free-jade-albatross-8c3c87a0##targets=hydra&c0=c2FtcGxlcyh7dGhpc2lzZmVsaXg6J2h0dHBzOi8vc3BhZy5jYy90aGlzZmVsaXgnfSkKc2FtcGxlcyh7cmVtZmVsaXg6J2h0dHBzOi8vc3BhZy5jYy9yZW1mZWxpeCd9KQovLyQ6IHMoInRoaXNpc2ZlbGl4IC0gcmVtZmVsaXgiKQoKJDogbm90ZSgiMCAxIDIgMyA0IDUiKS5zY2FsZSgiRjptaW5vciIpCi5mbSgyKQ%253D%253D

#targets

Nullnullvier @[email protected] · 2025-12-29 · 14:43 UTC

@toppoint #35C3 #39C3 ah yes I remember that congress *cough*

#35c3 #39c3

Toppoint @[email protected] · 2025-12-29 · 11:15 UTC

If you haven't had your Intergalactic Travel Passport or other document stamped yet this year, feel free to drop by the toppoint assembly at MOiN habitat to get it stamped.

https://39c3.c3nav.de/l/toppoint/

#39c3 #BFIA #IGTP #Passport #Stamp

#39c3 #bfia #igtp #passport #stamp