ergative, to Julia
@ergative@wandering.shop avatar

I find it WILDLY FRUSTRATING implementing contrast coding in Julia.

If I use ContrastCoding(), I can specify my own contrast matrices (yay!) but I can't label them. So the regression output just reuses my actual factor levels to label an actual model term that means something like, say, 'mean of levels A and B vs. mean of levels C and D'. Or whatever. To interpret my model, I must make physical notes on a piece of paper about what each term means.

1/2

Posit, to datascience
@Posit@fosstodon.org avatar

Great News! The table contest deadline has been extended to June 14, 2024.

The Table Contest is a great way to show off your data storytelling skills with the community.

Extension - We re-announced the table contest at PyCon last week, and wanted to give everyone an extra couple of weeks.

⬡ Deadline for submissions is now June 14, 2024.
⬡ Submit at pos.it/table-contest
Learn More: https://posit.co/blog/announcing-the-2024-table-contest/

#posit #DataScience #rstats #pydata #python #julia

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juandesant, to random
@juandesant@astrodon.social avatar

Bela Dixit is talking about the upgrades to the Finnish Metsahovi radio telescope. Many similarities to our upgrade, but for a single dish system.

https://www.aalto.fi/en/services/metsahovis-main-receivers

#ATRASC2024 #URSI #Metsahovi

juandesant,
@juandesant@astrodon.social avatar

Mention of the Julia programming language for the simulation of interleaved analog to digital conversion. #ATRASC2024 #URSI #Metsahovi #Julia #JuliaLang

LibrarianRA, to Julia
@LibrarianRA@worldkey.io avatar

What are you watching tonight?
.
Julia, Diahann Carroll, Fred Williamson, Tv Guide Cover, December 1970
.
#Julia #DiahannCarroll #FredWilliamson #TvGuide #Television #TV #blackmastodon #BlackFedi #BlackFriday #Retro #Vintatge

linuxmagazine, to linux
@linuxmagazine@fosstodon.org avatar

The May issue has been released! This month we look at the D-Bus architecture, which creates a powerful channel for applications to communicate. Order your copy! today https://bit.ly/Linux-Magazine-catalog #Linux #OpenSource #DBus #DataManagement #SSH #LibreOffice #PivotTable #Tiger #Bash #Shell #Julia #Jellyfin #RDAP #FOSS #Zint #Clonezilla #Kubuntu

ayo, to random
@ayo@ayco.io avatar

I kept my twtr account for a while because brands I occasionally reach out to were still exclusively there. It’s now no longer the case so I put the account down for real :)

anze3db,
@anze3db@fosstodon.org avatar

@hasnep @ayo The regex for Nix was [^a-z:]nix so it was filtering out Unix. I've changed it to [^(a-z|\.|\*):]nix[^Craft] to remove some of the worst false positives.

I've also added #julia, thank you for the suggestions!

gvwilson, to random
@gvwilson@mastodon.social avatar

Should I teach bash, fish, or Nushell to data scientists who want to go beyond the basics of shell scripting? There seems to be a clear spectrum from "ubiquitous but m'gawd" to "this is the future but m'gawd in a different way".

dpprdan,
@dpprdan@mas.to avatar

@gvwilson teach'em good basics because it's ubiquitous and encourage them to use their language of choice (, , ) for the more complex stuff.
bash basics = including things to setup more advanced Docker images, see e.g. https://github.com/rocker-org/rocker-versioned2/tree/master/scripts

franco_vazza, (edited ) to Julia
@franco_vazza@mastodon.social avatar

@julialang
I have a question:
I am using HDF5.jl to open an hdf5 file; the file is organised in >100 datasets, written by the creator in a rather unpredictable way.
How do I automatically open all
datasets in the sequence, without knowing their name beforehand? (with the final goal of recreating a single long array, by appending the content of each dataset - this I know how to do).
thanks in advance

==================
👍 found, easy
keys(obj)

jonny, (edited ) to python
@jonny@neuromatch.social avatar

I'm looking for reviewers for two packages at the moment:

Automata (@pyOpenSci )
Review: https://github.com/pyOpenSci/software-submission/issues/152
Repo: https://github.com/caleb531/automata
A #Python library for simulating finite #automata, pushdown automata, and Turing machines.

Kirstine.jl
( @joss )
Review: https://github.com/openjournals/joss-reviews/issues/6193
Repo: https://sr.ht/~lsandig/Kirstine.jl
A #Julia package for Bayesian optimal experimental design with nonlinear regression models.

You'll be working with another reviewer to read and run the code, make sure it fills a basic checklist which usually only takes a few hours, and beyond that whatever youd like to focus on. Both of these are collaborative review processes where the goal is to help these packages be usable, well documented, and maintainable for the overall health of free scientific software.

Its fun, I promise! Happy to answer questions and boosts welcome.

Edit: feel free to volunteer as a reply here, DM me, or commenting on those issues! Anyone is welcome! Some experience with the language required, but other than that I can coach you through the rest.

#PeerReview #OpenReview #CodeReview #FiniteAutomata #TuringMachines #Bayesian #Regression #Statistics

samharrison7, to rust
@samharrison7@mas.to avatar

February's TIOBE index has #Fortran as the 11th most popular language, marking its 12th consecutive month in the top 20, beating languages like #Rust, #R, #MATLAB and #Julia. About time to do away with that "Fortran is ancient/dead/obsolete" myth?

https://www.tiobe.com/tiobe-index/

gregorni, to Julia
@gregorni@fosstodon.org avatar

Any Nim or Julia people out there that also do app development? Can I get some ✋?

franco_vazza, to Astronomy
@franco_vazza@mastodon.social avatar


Well, folks...I think this is it. today something odd or terrible is going to happen, and the omen is that I just coded that stuff from scratch in
...and it just worked, giving me results in the right units, at the first attempt.

So, I guess, farewell? 😬

image/png
image/png

jonocarroll, to Julia
@jonocarroll@fosstodon.org avatar

I finally managed to build the package I've previously failed to get working at least 3 times!!!

https://jcarroll.com.au/2024/02/04/my-first-julia-package-triangulart-jl/

Any performance or other improvements anyone can spot are most welcome - I'm still very much learning, but I do love these results.

jonocarroll, to rust
@jonocarroll@fosstodon.org avatar

How have I not made this connection before??? #rstats' S3 dispatch mechanism is strikingly similar to #rust's trait system (provided your mental model is sufficiently flexible and can compare function call vs method, that distinction perhaps being the reason I hadn't).

Barely a handful of minutes into https://youtu.be/EXd-bHyk0dM and I had to pause to contemplate.

With that said, #julia's approach is even nicer; multiple dispatch with no ceremony; just write out the definition for each signature.

phiofx, to rust

For several years it seemed like deficiencies of older ecosystems will usher new takes: #rust fixing #cpp, #kotlin fixing #java, #julia fixing #python, #wasm fixing #javascript etc.

But it no longer feels so. Maybe it was a case of "you have to move fast to fix things" and as incumbents raise their game the window of opportunity closes. The vast investment in established stacks incentivises patching the most egregious weaknesses.

One exception seems #golang, which found a network niche

simon, to random
@simon@simonwillison.net avatar

I'm very impressed by first impressions of https://marimo.io/ - a brand new open source Python notebook implementation, a bit like Jupyter but with reactive cells as seen in https://observablehq.com/ - which means any edits you make to values or code (or a UI element) in a cell cause all dependent cells to update automatically

Fantastic first run experience too: "pipx install marimo" and then "marimo tutorial intro"

anson,

@simon just played with it and there’s a few rough edged outside of the tutorials but overall this is awesome. I’ve been waiting for something like Pluto from #julia to come to python

serge, to Julia
@serge@babka.social avatar

Just read the news that HBO Max is cancelling Julia, just as the show was really getting good.

Why not... it's critically acclaimed, has incredibly reviews with both critics and the audience, a 96% on Rotten Tomatoes. That makes all the sense in the world for HBO to cancel it.

https://www.ign.com/articles/julia-cancelled-max-two-seasons

jann, to max
@jann@twit.social avatar

WTF #Max!!!?? 🤬 #Julia

'Julia' Canceled After Two Seasons at Max - Variety https://apple.news/AT_EwseE7QRqp5s_4YQ87dg

jann,
@jann@twit.social avatar

@genecowan well, this caused me drop #Max and #Discovery+! So there! 🤬 #Julia

paul, to tvshows
@paul@oldfriends.live avatar

😡 #TVShows #tvshowstodon #TV #Julia
‘Julia’ Canceled By Max After 2 Seasons – Deadline

https://deadline.com/2024/01/julia-canceled-max-2-seasons-1235713298/

julia, to random Irish

It's transphobic that my boobs aren't C or D cup smh

o76923,
@o76923@kitty.social avatar

@julia

#julia {
  eepy: true !important;
}

#julia>head {
  fill: none;
}

#julia .boob{
  transform: scale(8.0);
}

#julia::after {
  content: " is cute.";
}
cormullion, to Julia

I made some cards with DataFrames.jl and Luxor.jl. In previous years I used to calculate the data using Astro libraries, but recently I discovered that NASA supply all the relevant data in CSV format. 😂

#julia #julialang #julialanguage #2024 #moon

baer, to science

Time for an #introduction.
I am not new on #fedi but I switched from mastodon (#fosstodon ) to #sharkey (shonk.social).

Hey I am baer,
a student from germany (currently in my finals) with great interest in #science and #computerscience . This includes #linux and #foss.
I can (more or less) write #rust code and I am looking into #julia and #uiua.
Other things I enjoy are #photograpgy and riding my bike (#lifebehindbars ).
If you want to contact me look at my website pls.
Have a great day
🍪

WagesOf, to random
@WagesOf@gamepad.club avatar

Finally getting around to watching Julia. I'm loving the way they show American food as just...

Gross. 😂

#julia #tv

runjaj, to random Spanish
@runjaj@mastodon.social avatar

Calcular una integral numérica usando la regla de Simpson con #julialang es tan fácil como usar esta función:

∫(x, y) = (x[2]-x[1])/3*(y[1] + 4*sum(y[2:2:end-1]) + 2*sum(y[3:2:end-2]) + y[end])  

Por ejemplo, la integral del seno entre 0 y π es:

x = LinRange(0, π, 7) # 7 puntos entre 0 y π  
y = sin.(x) # Cálculo del seno para los 7 puntos  
∫(x, y) # Integración

2.000863189673536  

El valor realizando la integral simbólicamente es 2. Todo bien sencillo.

juandesant, (edited )
@juandesant@astrodon.social avatar

Eso nos permite evaluar funciones arbitrarias, como por ejemplo la función sombrero entre 0 y 1:

def hat(x,start=0.0,end=1.0):  
 return 1.0 if x >= start and x <= end else 0.0

simpson_func_int(hat,0,1,100)  

devuelve aproximadamente 0.9933 (el resultado real debería ser 1). Cambiando los límites, mientras incluyamos [0,1], debería dar resultado parecido:

simpson_func_int(hat,-3,3,100)  

da 1.0101

#integracion #ReglaDeSimpson #calculo #Julia #Python

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