Semiramis
semiramiscj.bsky.social
Semiramis
@semiramiscj.bsky.social
Python & R programming 👩‍💻 DataScience, DataEngineering, DataViz. Cats, feminism, MH 💜 ES, EN, FR, DE 💜 She/her
Reposted by Semiramis
+1 for Paul's comment. I used to teach Efficient R and the best speed-ups people found were often from

- Using more compute
- Profiling to identify bottlenecks

This book is a bit out of date but has good concepts: csgillespie.github.io/efficientR/p...

If you still need parallel in R... ⬇️
7 Efficient optimisation | Efficient R programming
Efficient R Programming is about increasing the amount of work you can do with R in a given amount of time. It’s about both computational and programmer efficiency.
csgillespie.github.io
November 26, 2025 at 3:54 PM
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Sign up for this workshop by @damiepak.bsky.social about mathematical simulations!
❗️Our next workshop will be on Dec 11 6 pm CET titled A Gentle Introduction to Mathematical Simulation in R by
@damiepak.bsky.social

Register or sponsor a student by donating to support Ukraine!
Details: bit.ly/3wBeY4S
Please share!
#AcademicSky #EconSky #RStats
November 24, 2025 at 1:29 PM
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LB: In-house studies of the effect of these PFAS chemicals never saw the light - they were not published.
annalsofglobalhealth.org/articles/10....
We see long-term industrial influence of science - in 2017 Nigel Farage stated that 'doctors have got it wrong on smoking'.
#AIMOS2025
November 18, 2025 at 11:46 PM
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LB: Obtaining industry documents (through e.g. a court case), we found that negative results (non-significant) were not published. Selective publishing.
It's not just drugs, tobacco, food, but also PFAS (forever chemicals.
www.nejm.org/doi/full/10....
#AIMOS2025
November 18, 2025 at 11:40 PM
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LB: Meta-research is like a pug wearing a pug-suit. We are doing research on research (less cute though!)
We looked at 25 meta-research studies including 2923 studies. Studies with statistically significant efficacy results are 30% higher among industry-sponsored studies than non-industry
#AIMOS2025
November 18, 2025 at 11:18 PM
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Our plenary speaker will be Lisa Bero, with 'Commercial influence on research: what, how and why'
We do this work because health decision/policy should be based on evidence. I am particularly interested in the commercial determinants of health.
en.wikipedia.org/wiki/Lisa_Bero

#AIMOS2025
November 18, 2025 at 11:07 PM
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Hoy Editorial Publicar al Sur, gracias a la gestión del querido Kano, me publica este libro: Ensayos sobre transfeminismo, política y resistencia. Como es una editorial con una mirada desde el sur el libro digital se puede descargar en el siguiente enlace.

publicaralsur.com/biblioteca-d...
November 19, 2025 at 2:00 AM
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Alice is the one who taught me the power, joys, nuances and challenges of online disability communities--at a time when my own disability was making me more housebound.

I remain forever grateful to her, for showing me what could be possible, but also what remains to be done.
Watching disabled people around the world mourn Alice is a reminder of the good aspect of the internet. 30 years ago, few people outside of SF would ever have known Alice existed. I never would have met her. The internet connected us all. Let’s honor Alice’s memory by using that power and community.
My social media is wall-to-wall love for the incomparable Alice Wong, and I need more words. What captures sadness and/also affection for a community that knows what's been lost?
November 16, 2025 at 5:51 AM
Reposted by Semiramis
Alice Wong helped me accept my disabilities.

She taught me there’s no social justice without disability justice.

She encouraged me to start The Disabled Ginger and was a friend & mentor.

She won’t be forgotten.

Don’t let the bastards grind you down:

www.disabledginger.com/p/thank-you-...
Thank You Alice Wong
Alice Wong has passed away and the disability community has lost a leader. I lost a mentor and a friend. The Disabled Ginger wouldn't exist without Alice and everything she taught me.
www.disabledginger.com
November 16, 2025 at 12:16 AM
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My wife came into the living room yesterday and asked "What you reading, nerd?!"

And I started laughing as I was actually reading @hadley.nz's history of the #rstats tidyverse.

😂
November 15, 2025 at 10:07 PM
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THERMIA is a fun board game to learn about #homeostasis! Players push each other into hypo- or #hyperthermia whilst keeping themselves in homeostasis. Created by biology teacher @HeidiHisrich. Find out more here: buff.ly/KM9gLjQ

#EduSky #iteachbio #biologyteacher #scienceteacher #hypothermia
November 13, 2025 at 12:00 PM
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Running R code on your phone... that is definitely magic!!

webR also makes it super easy to create #rstats learning resources that students can work with using just a browser, no install drama needed.

jen-richmond.quarto.pub/barbarplots/
August 14, 2025 at 7:46 PM
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Sharing this #rstats blog on parsing JSON data again as:
1.) It's great;
2.) I'm working with JSON data again and have yet to master parsing it; and
3.) JSON is the worst, which is definitely not a skill issue related to 2.
The MockUp - Easily parsing JSON in R with jsonlite and purrr
It's turtles all the way down...
themockup.blog
November 5, 2025 at 3:43 AM
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Any covid-cautious cuties who are single and ready to mingle?!? 🥰

See below! 👇🏼

Kate is an AWESOME person!

Thoughtful, engaging, extremely intelligent, cute, empathetic, and fun!
If anyone knows any covid-cautious cuties who are single, I'd love to be put in touch! 🤷

I'm not giving up hope so much as just looking at how hard I've been working at trying to find someone and coming up empty-handed 😔
November 5, 2025 at 7:25 AM
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This workshop is tomorrow, don't miss your chance to register!
Details: bit.ly/3wBeY4S
Please share!
#AcademicSky #EconSky #RStats
❗️Our next workshop will be on Nov 6 6 pm CET titled Linear algebra using Armadillo via armadillo4r

Register or sponsor a student by donating to support Ukraine!
Details: bit.ly/3wBeY4S
Please share!
#AcademicSky #EconSky #RStats
November 5, 2025 at 8:54 AM
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I'm really excited to be running this session for @rladiesrome.bsky.social next month! 📊

We'll be talking about data viz design, building charts in ggplot2, and tips for how to develop your viz skills!

#DataViz #ggplot2 #RStats #RLadies
October 13, 2025 at 10:33 AM
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4 word horror story for an R user:

"has a Java dependency"
October 12, 2025 at 4:29 PM
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Every once in a while I need to fiddle with long category labels in #rstats ggplot2.
It always helps me to refer back to this excellent blog post by #AndrewHeiss @cararthompson.bsky.social
www.andrewheiss.com/blog/2022/06...
Quick and easy ways to deal with long labels in ggplot2 | Andrew Heiss
Explore different manual and automatic ways to rotate, dodge, recode, break up, and otherwise deal with long axis labels with ggplot2
www.andrewheiss.com
October 7, 2025 at 11:45 AM
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By nychealthy @nychealthy.bsky.social

The best way to prevent Long COVID is to prevent getting COVID-19 or getting it multiple times. That means staying up to date with COVID-19 vaccines and wearing a well-fitting mask, especially when indoors among crowds.

Learn more: www.nyc.gov/site/doh/cov...
October 5, 2025 at 1:29 AM
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Not saying there aren't unique challenges with aging but can we stop assuming all younger people are healthy challenge.
September 27, 2025 at 6:35 PM
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"Wait until you're older, your body will stop working well."

Or, may I introduce a concept of people being chronically ill at every age.
September 27, 2025 at 6:30 PM
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I need #rstats meme help. I've just updated my MSc book and all of the chapters start with a (probably outdated) meme except chapter 10 (next steps). Any ideas?

psyteachr.github.io/reprores-v5
Data Skills for Reproducible Research
This book provides an overview of skills needed for reproducible and open research using the statistical programming language R and tidyverse packages. It covers reproducible workflows, data visualisa...
psyteachr.github.io
September 22, 2025 at 10:05 AM
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I am beyond excited to announce that ggplot2 4.0.0 has just landed on CRAN.

It's not every day we have a new major #ggplot2 release but it is a fitting 18 year birthday present for the package.

Get an overview of the release in this blog post and be on the lookout for more in-depth posts #rstats
ggplot2 4.0.0
A new major version of ggplot2 has been released on CRAN. Find out what is new here.
www.tidyverse.org
September 11, 2025 at 11:20 AM
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New blog post!

Ever wonder what geom_histogram is actually doing? How about geom_boxplot?

In celebration of the release of #ggplot2 4.0.0 (ggplot8?), I explore the relationships between the “geoms” and “stats” offered by the core {ggplot2} functions.

#rstats
Exploring {ggplot2}’s Geoms and Stats – Stat’s What It’s All About
blog.msbstats.info
September 15, 2025 at 7:04 PM