Jordi Rosell
jrosell.bsky.social
Jordi Rosell
@jrosell.bsky.social
Data analyst and business consultant #ecommerce #cro #rstats #bi #etl
Aiguafreda, Barcelona. Ich lerne Deutsch.

@[email protected]
Pinned
Expliqueu-me un acudit bo.
"PSC y Junts, aprobó el lunes una modificación de la normativa municipal para prohibir llenar con agua de las fuentes públicas garrafas, botellas o cualquier enser que permita el almacenamiento." 🤐
November 19, 2025 at 7:57 AM
"Suffice to say it takes a certain lack of empathy for your fellow human to design a language where whitespace bugs are a thing." 😆
November 18, 2025 at 9:37 PM
Reposted by Jordi Rosell
🧠 La IA te hace rendir más, pero entender menos según este estudio.

Resulta que cuando usamos IA para resolver problemas complejos, nuestro rendimiento mejora, pero también sobrestimamos ese rendimiento, lo cual es peligroso como cuento aquí 👇

www.linkedin.com/posts/natzir...
🧠 La IA te hace rendir más, pero entender menos según este estudio. Este paper confirma algo que ya intuíamos pero que nadie había medido del todo bien. Resulta que cuando usamos IA para resolver… |...
🧠 La IA te hace rendir más, pero entender menos según este estudio. Este paper confirma algo que ya intuíamos pero que nadie había medido del todo bien. Resulta que cuando usamos IA para resolver pr...
www.linkedin.com
November 18, 2025 at 8:47 AM
Reposted by Jordi Rosell
R, Rust, Geospatial "AI", and laughs with @fransvandunne.com and Diego of @ixpantia.com on their Podcast @datalatam.bsky.social

It was a blast! Thanks for having me.
open.spotify.com/episode/6C5L...
#rstats #gischat #rust
Josiah Parry, R Developer & Spatial Statistician, on pragmatic AI and the "ggplot gateway drug"
open.spotify.com
November 17, 2025 at 5:29 PM
TIL from @jaredlander.com video about devbox: a reproducible way of handling development environments internally using nix. Looks very cool!
github.com/jetify-com/d...
GitHub - jetify-com/devbox: Instant, easy, and predictable development environments
Instant, easy, and predictable development environments - jetify-com/devbox
github.com
November 15, 2025 at 6:33 PM
Reposted by Jordi Rosell
Proud of it!!! 👇🏻 #FemaleScientists
November 15, 2025 at 8:52 AM
Obviously
November 14, 2025 at 10:16 PM
Reposted by Jordi Rosell
El futur ha arribat abans d'hora.

I per això és sector dels combustibles fòssils està tan neguitós. Gairebé histèric.

El cost de l'energia solar, l'eòlica i les bateries ha baixat dècades abans del que havia previst el sector fòssil (i la resta).

www.pv-magazine.com/2025/11/11/t...
The future arrived early: Why our energy cost forecasts need to catch up
While solar modules and batteries have become icons of rapid progress, most energy models are still stuck in the past. A new global analysis shows that the cost of renewable energy has fallen far fast...
www.pv-magazine.com
November 12, 2025 at 12:54 PM
😂
Rosalía’s new album ‘LUX’ is out now 🙏
November 8, 2025 at 11:22 AM
Veig que a linkedin diuen que enviar 3M emails i agendar 0.1% de reunions és un èxit. Visca l'spam.
November 4, 2025 at 12:19 PM
Aquests d'hisenda podrien haver fet coincidir la campanya de veri*factu amb halloween. 😱🤪
November 4, 2025 at 9:30 AM
Hipòtesi: Algú paga poc en infraestructura i està oferint un servei per "garantir el servei".

La indisponibilitat caldria mesurar-la en la suma de minuts dels usuaris que volen accedir i no poden.
November 3, 2025 at 6:29 PM
Expliqueu-me un acudit bo.
November 2, 2025 at 9:57 PM
Reposted by Jordi Rosell
Reposted by Jordi Rosell
R version 4.5.2 "[Not] Part in a Rumble" (source version) has been released. (You can find it in cran.r-project.org/src/base/R-4/, or wait for CRAN to be updated.)
October 31, 2025 at 9:44 AM
A casa he ensenyat el video de Black & White del Michael Jackson i han flipat. La IA està sobrevalorada.
October 26, 2025 at 6:34 PM
Hi ha lladres que no saben el que roben... Han robat uns patins de 1000€ a 2 patinadores que han d'anar al mundial.
October 23, 2025 at 6:34 AM
Lo de linkedin és ja un altre nivell. Un pavo dient: We are firing pq hacemos agentes IA.
October 14, 2025 at 1:29 PM
Ross Ihaka used “for each y, find the closest value in x” to illustrate a core #rstats issue: R has no scalar data types.
October 9, 2025 at 12:20 PM
Reposted by Jordi Rosell
Biology is much more complicated than most non-biologists can imagine. And AI is not going to change this anytime soon.
blog.genesmindsmachines.com/p/we-still-c...
We still can’t predict much of anything in biology
Biology is hard. Yes, even for AI.
blog.genesmindsmachines.com
October 7, 2025 at 4:11 PM
Al aprendre un quart idioma m'encanta adonar-me que hi ha paraules molt més útils en un idioma que en un altre.
October 7, 2025 at 4:52 PM
I am learning functional programming in C++23, and I like it. 😱😬
October 5, 2025 at 10:17 PM
What did you enjoy reading?
It's fun to read for fun :)
September 28, 2025 at 1:53 PM
Reposted by Jordi Rosell
❗️Our next workshop will be on October 2nd, 6 pm CEST, on Effective and Useful Feature engineering by @emilhvitfeldt.bsky.social

Register or sponsor a student by donating to support Ukraine!
Details: bit.ly/3wBeY4S
Please share!
#AcademicSky #EconSky #RStats
September 26, 2025 at 8:32 AM