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Posts by Anders Huitfeldt

Discussion Meeting: 'Regression by composition' by Farewell et al. (Online)

The Royal Statistical Society discussion meeting for Regression by Composition will be held in London on March 24th. The event will also be livestreamed. Sign up to be among the first to hear about the future of regression modelling at rss.org.uk/training-eve...

1 month ago 1 0 0 0

In my view, approximate correctness of the model (in terms of biological plausibility) is lexicographically more important to model choice than tractability of the estimation procedure (provided that researchers honestly discuss how that might affect their inferences)

3 months ago 0 0 0 0

You can of course argue that oppressed groups tend to be assigned tougher judges because of discrimination. Then you should not control for judge because it is a mediator. But for conceptual clarity, this is different from your stated reason for not controlling

4 months ago 2 0 2 0

I think I disagree with this. Suppose you have sufficient data to control for judge on the individual judge level and the only relevant bias is whether the judges are prejudiced. Then controlling for judge will give you a model that appropriately detects such bias.

4 months ago 1 0 2 0
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Why science needs outsiders - Works in Progress Magazine Science has forgotten that the greatest breakthroughs often come from outsiders who are able to take a fresh perspective.

Fun article about “outsider” scientists and their breakthroughs.

“Academia filters most funding, publishing, and hiring decisions through senior insiders, which favors ideas within existing paradigms.”

worksinprogress.co/issue/why-sc...

7 months ago 121 42 10 3
Goose chase meme. Goose asks "Unbiased for what estimand?" then yells "Unbiased for what!!"

Goose chase meme. Goose asks "Unbiased for what estimand?" then yells "Unbiased for what!!"

Reckon I can submit this as a figure for a paper?

9 months ago 99 14 4 0
Foreground text says “Marginal” and “conditional” are relative descriptions of an estimand
In the background is a smokey mollusc

Foreground text says “Marginal” and “conditional” are relative descriptions of an estimand In the background is a smokey mollusc

New post: “Marginal” and “conditional” are relative descriptions of an estimand

9 months ago 13 3 2 0
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When do composite estimands answer non-causal questions? Under a composite estimand strategy, the occurrence of the intercurrent event is incorporated into the endpoint definition, for instance by assigning a poor outcome value to patients who experience th...

New paper posted on Arxiv: "When do composite estimands answer non-causal questions?"

This can happen more often than you think, and can have a dramatic impact on trial results (e.g. a false-positive rate of almost 90%)

arxiv.org/abs/2506.22610 @timpmorris.bsky.social

9 months ago 12 6 0 0

Suppose someone went to a discussion board whose community values differ more from ours than those of the “red tribe” (e.g islamists, putinists or CCP ideologues). Wouldn’t you think this was a good thing, helping both sides understand better how the others see the world?

1 year ago 0 0 1 0

That’s fine. You can stay away from them as much as you want. I just dont get the rationale for shaming people for engaging “the other side” in conversation

1 year ago 1 0 4 0

You can be a moral purist all you want, but honestly, what is your end game? Do you expect the “other faction” to just all suddenly come to the realization that you were right all along, and that they were contemptible bigots who had been mislead by disinformation ?

1 year ago 3 0 1 0

If we want to find a way to live alongside people who don’t share our values, the first step will be to find a way to communicate across the sociocultural fault line. That requires that we do not wall ourselves into separate corners of the internet

1 year ago 3 0 1 0
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Should one derive risk difference from the odds ratio? I urge all readers of this thread to read the excellent new preprint from philosopher of science Veli-Pekka Parkkinen, “Choice of effect measure, extrapolation, and decision-making in patient care an...

After two years of trying to avoid this discussion, I just necroed *that thread* on datamethods (discourse.datamethods.org/t/should-one...) in order to share an excellent preprint by philosopher Veli-Pekka Parkkinen (philsci-archive.pitt.edu/24785/1/efme...)

1 year ago 9 3 1 0
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I’m George Takei and I approve of this message.

1 year ago 143911 29997 2287 1509

«The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it»

1 year ago 1 0 0 0

🤢 horrifying piece of work, which we’ll see idiots quoting.
For goodness sake @jclinepi.bsky.social

1 year ago 42 7 8 3
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In economics, editors, referees, and authors often behave as if a published paper should reflect some kind of authoritative consensus.

As a result, valuable debate happens in secret, and the resulting paper is an opaque compromise with anonymous co-authors called referees.

1/

1 year ago 553 159 28 33
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a cartoon of homer simpson and marge simpson with the words you tried your best Alt: a cartoon of homer simpson and marge simpson with the words you tried your best and you failed miserably, the lesson is never try.

People say estimating a causal effect sets the bar unattainably high.

But estimating an association is a bar that is literally so low that you can't go under it.

Better to aim for what you want and fall short than to, in Homer Simpson's words, "aim so low, no one will even care if you succeed."

1 year ago 18 4 4 1

While most of the alternatives to democracy have been tried, there are many alternatives to the publishing system that have not been tried and may be superior.

1 year ago 0 0 0 0

I was not trying to make a point about inexact wording, and I apologize if that is how it came across. My point was that there may exist better systems for evaluating science that have not been tried.

1 year ago 0 0 1 0

I believe the quote was "all the others that have been tried". The system was well suited for an era when the limiting factor was the cost of printing and distributing paper journals. When distribution of information is essentially free, other systems may work better for identifying scientific value

1 year ago 0 0 1 0
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The Justice Department has filed a lawsuit against approximately two dogs.

1 year ago 3341 600 208 404

Unpopular opinion: Blinded peer review was a mistake. If someone is able to block my paper based on their midwit opinions, they should at the very least be forced to put their name on the review, and publicly stake their reputation on the (false) claim that my work is flawed.

1 year ago 2 0 3 0

Same. Have no desire to speak ill of the dead, but I wished they had left this sentence out of the obituary: "He will be remembered for his remarkable contributions to the psychology world and as a defender of expression without undue fear of reprisal." Simply not true.

1 year ago 8 1 1 0

The data used for this map seems off. Having worked in hospitals in both countries, I refuse to believe that the death rate in Norway is double the rate in Ireland

1 year ago 1 0 0 0
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Can anyone point me to a convincing intro to / explanation of ‘in silico’ trials?
Everything I’ve read & heard about them just makes the writer/presenter sound nuts.
What am I missing??

1 year ago 28 3 6 3

The Onion should buy Elsevier next

1 year ago 5374 1580 56 82

I like this taxonomy, but the examples given are not convincing. Most missingness is dependent on unseen data, so I understand that it is difficult to find good examples, but they could have tried to find some plausible random missingness mechanism for illustration

1 year ago 0 0 0 0

Gotta be honest here, Rhian is one of my favorite authors. I always enjoy her papers so much. I’m currently reading her paper on collapsibility and I feel like this one will be a natural follow up.

1 year ago 7 3 2 0
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The averted infections ratio: a novel measure of effectiveness of experimental HIV pre-exposure prophylaxis agents There is clear evidence that tenofovir disoproxil fumarate combined with emtricitabine (TDF-FTC) is a highly efficacious oral pre-exposure prophylaxis agent for preventing the acquisition of HIV. This...

One for @andershuitfeldt.bsky.social (icymi)

www.ncbi.nlm.nih.gov/pmc/articles...

1 year ago 5 4 0 0