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novica

@novica

I like to write. https://github.com/novica/ https://goodreads.com/nnovica

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01.10.2023
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Latest posts by novica @novica

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Job opportunity Assistant Professor, tenure track, qualification agreement at Wirtschaftsuniversität Wien Jobportal others in Wien

Opening for a tenure track position in statistical computing:

wirtschaftsuniversitaet-wien-portal.rexx-systems.com/Assistant-Pr...

As dept chair, R Core member Kurt Hornik invites applications from people who could make substantial contributions to #RStats, including base R.

Deadline Mar 18!

09.03.2026 16:55 👍 20 🔁 25 💬 0 📌 1

Can one build a community around vibe coded projects?

09.03.2026 13:27 👍 0 🔁 0 💬 0 📌 0

Likely to be interpreted differently by different people :)

09.03.2026 07:37 👍 3 🔁 0 💬 0 📌 0
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GitHub - novica/r-project-template: An opinionated template for modern R projects. An opinionated template for modern R projects. . Contribute to novica/r-project-template development by creating an account on GitHub.

The r project template built around modern tooling now includes air and jarl pre-commit hooks #rstats

github.com/novica/r-pro...

06.03.2026 16:51 👍 1 🔁 0 💬 0 📌 0
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good morning everyone project your personal imposter syndrome onto this gif ur welcome

03.03.2026 08:08 👍 134 🔁 35 💬 5 📌 3
Mondrian Entered the Public Domain. The Estate Disagrees. The Mondrian Trust claims a 1930 painting is still protected—citing “dual copyrights,” Spanish law, and a misreading of the Copyright Act. Last February, I wrote about a troubling trend: estates and rightsholders making aggressive (and legally questionable) claims to works that have entered the public domain. From Tintin to Charlie Chaplin to Sherlock Holmes, the playbook is consistent: send threatening letters, cite convoluted legal theories, and expect recipients to back down rather than fight. A year later, the pattern continues. Now, it’s the work of Dutch abstract painter Piet Mondrian. And this time, the estate’s legal argument is more Dada than De Stijl. A Celebration Interrupted On January 1, 2026, Piet Mondrian’s iconic Composition II with Red, Blue, and Yellow (1930) entered the U.S. public domain, 95 years after its first publication. An art magazine marked the occasion with a Public Domain Day roundup, noting that the painting—along with works featuring Betty Boop, William Faulkner, and The Little Engine That Could—was now free to use, adapt, and celebrate. Standard Public Domain Day fare. The Mondrian/Holtzman Trust saw things differently. Piet Mondrian died in New York in 1944, leaving his estate to his close friend and fellow artist Harry Holtzman. The Trust is now administered by Holtzman’s descendants—professional stewards of Mondrian’s rights rather than heirs of the artist himself. When the art publication reached out to the Mondrian/Holtzman Trust to confirm the painting’s public domain status, the Trust responded that the work remains protected in the United States—and warned that reproducing it without permission constitutes copyright infringement. The correspondence, shared with me by Jennifer Jenkins, Director of Duke Law’s Center for the Study of the Public Domain, is a masterclass in legal confusion. Dual Copyrights and Spanish Detours The Trust’s argument rests primarily on the Uruguay Round Agreements Act (URAA), which restored U.S. copyright protection in 1996 to certain foreign works that had previously fallen into the public domain for failing to comply with U.S. formalities. According to the Trust: “Between 1944 and 1996 the work of Piet Mondrian not meeting the technical requirements of U.S. copyright law, was in public domain in the US. In 1996 the Uruguay Round Agreement Act… gave protection to the images by foreign artists which were first published outside of the United States between 1923 and 1977 (95 years from the date of first publication).” So far, so good. But then the letter takes a turn: “The duration of the U.S. protection for all other works… was for 70 years from the artist’s date of death. This is the reason of the dual copyright’s terms on the works of Piet Mondrian.” To be clear, copyright law isn’t a choose your own adventure book. There’s no such thing as a “dual copyright” regime under U.S. law—no parallel terms running simultaneously, no option to select whichever happens to be longer. Different categories of works receive different terms, but each work falls into one category based on its actual history. For works first published outside the United States between 1923 and 1977, URAA restoration provides the remainder of a 95-year term from first publication. For works created before January 1, 1978 that were neither published nor copyrighted, Section 303 of the Copyright Act supplies a term of life plus 70 years. The Trust appears to be blending these categories to suggest Mondrian’s works might enjoy whichever term is most favorable. But even on its own terms, the argument fails. Mondrian died in 1944. Any of his works subject to a life-plus-70 regime would have entered the public domain on January 1, 2015—more than a decade ago. Then the letter pivots to Spanish law, citing an 1879 statute and a decision of the Spanish Supreme Court (as one naturally does when disputing U.S. copyright over a Dutch painter’s work). Spanish law governs copyright in Spain. U.S. law governs copyright in the United States. And even under the Spanish rule the Trust invokes—life plus 80 years for certain authors—Mondrian’s works (he died in 1944) would have entered the public domain no later than 2025. What the Law Actually Says Under U.S. copyright law, works published before 1978 are protected for 95 years from the date of first publication. Composition II with Red, Blue, and Yellow was published in 1930. The painting entered the public domain on January 1, 2026—exactly when Duke’s Center for the Study of the Public Domain said it would. Yes, URAA restored copyright in Mondrian’s works in 1996 after they had originally lapsed into the U.S. public domain for failure to comply with formalities. But URAA restoration doesn’t extend the term. It fills the gap. Section 104A of the Copyright Act is clear: a restored work is protected only for “the remainder of the term of copyright that the work would have otherwise been granted in the United States.” For a work published in 1930, that remainder ran out on December 31, 2025. The Chilling Effect, Again What makes this episode especially frustrating is the target. The art publication wasn’t selling prints or producing merchandise. It ran an educational article celebrating works entering the public domain, complete with proper attribution and links to legal resources. For doing its homework and reaching out to confirm the painting’s copyright status, it received a warning letter. That outcome isn’t accidental. The Trust’s website invites anyone wishing to reproduce Mondrian’s work to “contact us about images you wish to reproduce… so that we can check on the copyright status and clear rights if needed.” The implication is clear: ask permission first, and the answer may depend less on the law than on who’s asking. Complexity is the strategy. If the rules sound uncertain enough, people keep asking. And if people keep asking, licensing fees keep flowing, even after the copyrights have expired. Confusion, after all, is far cheaper than litigation. The Mondrian Trust isn’t alone. From Tintin to Chaplin to Sherlock Holmes, estates keep claiming copyrights that have expired. Read the full story: “Their Copyrights Expired. The Legal Threats Keep Coming.” And Mondrian isn’t an isolated case. In recent weeks, similar post–Public Domain Day claims have surfaced from Fleischer Studios in connection with Betty Boop’s earliest appearances, and from representatives of Harold Lloyd’s estate concerning Safety Last! (1923), which entered the public domain over seven years ago. Different works, different theories—but the same objective: discourage use first, sort out the law later. A Clear Picture Mondrian’s abstractions are famous for their clarity—primary colors, clean black lines, precise right angles. The Trust’s legal arguments, on the other hand, are anything but. Composition II with Red, Blue, and Yellow is in the U.S. public domain. It has been since January 1, 2026. No amount of Spanish law or invented “dual copyright” theories changes that. If the Trust believes otherwise, it’s free to test that theory in court. For now, it appears content to keep its arguments abstract. As always, I’d love to hear your thoughts—leave a comment below, find me on social media @copyrightlately, or, if you’re asserting exclusive rights in a public-domain Mondrian, feel free to reach out directly to aaron@copyrightlately.com. You Might Also Like:

Mondrian Entered the Public Domain. The Estate Disagrees.

02.03.2026 16:46 👍 1 🔁 2 💬 0 📌 0

🎉
#funfact in Macedonian there is only one word for both turtle and tortoise.

02.03.2026 14:12 👍 3 🔁 0 💬 0 📌 0
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We live in a magical time for #dataviz. This map is just a static html page served on GitHub pages 🤯

It uses the incredible {pmtiles} #rstats package by @kylewalker.bsky.social to quickly filter through ~21M rows of data hosted on Cloudflare

vehicletrends.github.io/hhi-map/

25.02.2026 14:17 👍 327 🔁 35 💬 10 📌 3

oh I remember this thread.
box for two reasons. one, I wanted to see if it can be done :)
two, I think for many things the modular approach has some benefits: like importing just a 'module' instead of a whole package.

25.02.2026 07:18 👍 0 🔁 0 💬 1 📌 0

Pinging some people that may be interested @rpodcast.bsky.social @etiennebacher.bsky.social @libbyheeren.bsky.social @usrbinr.bsky.social @jonthegeek.com @tanho.ca @ivelasq3.bsky.social

24.02.2026 20:25 👍 1 🔁 0 💬 1 📌 0
R project template – Discindo An R project template with a focus on modularity and tooling

Would love to hear some feedback, and suggestions for improvement.

What is missing, what can be done better, given the existing limitations of R?

Small blog post: discindo.org/posts/2026-0...

2/3

24.02.2026 20:25 👍 1 🔁 0 💬 1 📌 0
GitHub - novica/r-project-template Contribute to novica/r-project-template development by creating an account on GitHub.

Hey #rstats, for people who want to try a modular code development with box, coupled with a bunch of new tools like: #rv, #air, #jarl, and vscode-first coding environment (probably would work with #positron), I made this template repo: github.com/novica/r-pro...

1/3

24.02.2026 20:25 👍 6 🔁 1 💬 1 📌 0

Oh, JavaScript wizard :)

24.02.2026 20:16 👍 1 🔁 0 💬 0 📌 0
Software Freedom Law Center The Software Freedom Law Center provides legal representation and other law related services to protect and advance Free and Open Source Software.

Which jurisdiction is that? I would think that organizations such as softwarefreedom.org would have something to share or assist with.

24.02.2026 20:01 👍 0 🔁 0 💬 0 📌 0

Are you shipping a derivative work of R?

24.02.2026 19:24 👍 2 🔁 0 💬 1 📌 0
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How far back in time can you understand English? An experiment in language change

If you liked this experiment, I published a full piece today in the same vein: a text that gets 100 years older with every section, from a modern blog post to a medieval chronicle.

It's a single story spanning 1000 years of English. See how far you get.

www.deadlanguagesociety.com/p/how-far-ba...

18.02.2026 18:40 👍 3564 🔁 1300 💬 194 📌 478
Guido van Rossum resigns as Python leader Python creator and Benevolent Dictator for Life Guido van Rossum has decided, in the wake of th [...]

Then there is this: lwn.net/Articles/759... :) imagine someone from the R project resigning over the introduction of the tibble :)

22.02.2026 21:09 👍 2 🔁 0 💬 0 📌 0
How A Small Team of Developers Created React at Facebook | React.js: The Documentary
How A Small Team of Developers Created React at Facebook | React.js: The Documentary YouTube video by CultRepo

I watched this couple of weeks ago: www.youtube.com/watch?v=8pDq... and the reactions to React being released initially were much stronger than the tibble vs. data.frame debate :)

22.02.2026 21:02 👍 1 🔁 0 💬 1 📌 0

If I am making a quarto presentation, it means I have a very good reason to go on that side quest :)
Powerpoint with a provided template and the built-in designer (if that is what it is called) gets me to the end faster fo any usual/everyday work-related presentation.

20.02.2026 20:05 👍 1 🔁 0 💬 1 📌 0

👀

20.02.2026 19:49 👍 0 🔁 0 💬 0 📌 0

the concrete is raw but the chicken is fried

18.02.2026 07:44 👍 36 🔁 4 💬 0 📌 0

To paraphrase George Box:
"All LLMs are bad, but some are useful."

16.02.2026 12:30 👍 0 🔁 0 💬 0 📌 0
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ducklake: Interact with DuckLake from R R package that complements duckdb and duckplyr packages to support the new DuckLake ecosystem.

hey @rpodcast.bsky.social did you catch this for rweekly: tgerke.github.io/ducklake-r/ ? :)

14.02.2026 16:05 👍 0 🔁 0 💬 0 📌 0
Difference in time use between working parents of small children vs working non parents. Areas above zero are activities parents do more of; areas below are what they give up. 

Compiled by analyzing the Census Bureau’s American Time Use Survey.

Analysis and chart by Aziz Sunderji, https://homeeconomics.substack.com/p/where-do-parents-find-the-time

Difference in time use between working parents of small children vs working non parents. Areas above zero are activities parents do more of; areas below are what they give up. Compiled by analyzing the Census Bureau’s American Time Use Survey. Analysis and chart by Aziz Sunderji, https://homeeconomics.substack.com/p/where-do-parents-find-the-time

Where do parents find the time to parent? Less sleep, work and screens.

Amazing chart feat. in @alphaville.ft.com Further Reading.

homeeconomics.substack.com/p/where-do-p...

13.02.2026 08:11 👍 306 🔁 83 💬 12 📌 18
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📣 NEW! I’ve just released the BIGGEST and perhaps most creative project I’ve ever worked on!

“Searching for Birds” searchingforbirds.visualcinnamon.com 🐤

A project, an article, an exploration that dives into the data that connects humans with birds, by looking at how we search for birds.

12.02.2026 10:02 👍 476 🔁 176 💬 25 📌 49
It must be very hard to publish null results
Publication practices in the social sciences act as a filter that favors statistically significant results over null findings. While the problem of selection on significance (SoS) is well-known in theory, it has been difficult to measure its scope empirically, and it has been challenging to determine how selection varies across contexts. In this article, we use large language models to extract granular and validated data on about 100,000 articles published in over 150 political science journals from 2010 to 2024. We show that fewer than 2% of articles that rely on statistical methods report null-only findings in their abstracts, while over 90% of papers highlight significant results. To put these findings in perspective, we develop and calibrate a simple model of publication bias. Across a range of plausible assumptions, we find that statistically significant results are estimated to be one to two orders of magnitude more likely to enter the published record than null results. Leveraging metadata extracted from individual articles, we show that the pattern of strong SoS holds across subfields, journals, methods, and time periods. However, a few factors such as pre-registration and randomized experiments correlate with greater acceptance of null results. We conclude by discussing implications for the field and the potential of our new dataset for investigating other questions about political science.

It must be very hard to publish null results Publication practices in the social sciences act as a filter that favors statistically significant results over null findings. While the problem of selection on significance (SoS) is well-known in theory, it has been difficult to measure its scope empirically, and it has been challenging to determine how selection varies across contexts. In this article, we use large language models to extract granular and validated data on about 100,000 articles published in over 150 political science journals from 2010 to 2024. We show that fewer than 2% of articles that rely on statistical methods report null-only findings in their abstracts, while over 90% of papers highlight significant results. To put these findings in perspective, we develop and calibrate a simple model of publication bias. Across a range of plausible assumptions, we find that statistically significant results are estimated to be one to two orders of magnitude more likely to enter the published record than null results. Leveraging metadata extracted from individual articles, we show that the pattern of strong SoS holds across subfields, journals, methods, and time periods. However, a few factors such as pre-registration and randomized experiments correlate with greater acceptance of null results. We conclude by discussing implications for the field and the potential of our new dataset for investigating other questions about political science.

I have a new paper. We look at ~all stats articles in political science post-2010 & show that 94% have abstracts that claim to reject a null. Only 2% present only null results. This is hard to explain unless the research process has a filter that only lets rejections through.

11.02.2026 17:00 👍 643 🔁 223 💬 30 📌 51

Awesome stuff. Thanks!

I would say not really git for data. :) That could be another project - github.com/dolthub/dolt

10.02.2026 18:51 👍 1 🔁 0 💬 1 📌 0
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ducklake: Interact with DuckLake from R R package that complements duckdb and duckplyr packages to support the new DuckLake ecosystem.

Released {ducklake}: an R package for DuckLake data lakehouses 🦆

I like to think of DuckLake like git for data. The package supports:

- Automatic versioning
- Time travel
- ACID transactions
- Audit trails
- tidyverse-like interface

Feedback most welcome!

tgerke.github.io/ducklake-r/

#rstats

10.02.2026 15:10 👍 12 🔁 1 💬 1 📌 0
Screenshot of "colorize.languages" to add color highlighting for .yaml files in Positron

Screenshot of "colorize.languages" to add color highlighting for .yaml files in Positron

You can use the colorize extension:
open-vsx.org/extension/ka... and then add "yaml" to colorize.languages in your settings.

10.02.2026 12:18 👍 1 🔁 2 💬 1 📌 0

is that a css? in css it is on by default.

10.02.2026 11:49 👍 1 🔁 0 💬 1 📌 0