The increasing use of electronic health records (EHRs) has inspired the need for a more dynamic checklist. Geva et al conducted a before-after quality improvement study by replacing a static checklist with an updated dynamic checklist.

In this episode Chris looks at creativity, how it often depends on the right puzzle pieces to come together at the right time, and how a little bit (or a lot) of pressure can bring this all together and allow you to make it into something entirely new. Like the new interactive teaching platform that … Continue reading "899 The Future of Photography Education"

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Watch this episode on YouTube UFOs (as the knitting community calls their UnFinished Objects) are projects that you put on hold. And hopefully dig out later, so you have something to go to when the big pandemic hits. Or any other reason you might need some distraction. Chris explains why creating UFOs isn’t a bad … Continue reading "900 UFOs Are Key"

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The Invisible Camera is now 10 years old. Chris and Allan discuss how things were behind the scenes at the time and what came of it. If you don’t know what The Invisible Camera is then please pause the podcast and watch the original video first, link below. SPONSOR: eneloop pro Links: SPONSOR: eneloop pro … Continue reading "903 Ten Years Invisible"

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AI is going to enrich our lives and at the same time it’ll pull the rug out from under some people’s legs. Let’s explore things. Feedback? Reach Chris at voice@tfttf.com, or follow @tfttfphoto on Twitter for show announcements. Topics: [PHOTO, AI] AI in Photography : What will the AI revolution do to your photography? Will … Continue reading "908 AI in Photography"

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The James Web Telescope is arguably the best camera.. not on the planet though. Chris looks at zoomable content, at being there and how that’s different from the limited senses that we can capture with our photography. Also: another quick look at DALL-E and what it has to do with pizza. Topics: [PHOTO, SPACE] IR: … Continue reading "911 All Things Interesting In Photography"

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Chris is catching up on the latest developments in the world of camera makers (Nikon goes 3D printing?!), new papers (awesome noise reduction), a train set with 10 miles of tracks (and photography thereof) and of one big question to Getty: is it really just about copyright questions? Really? Topics: [PHOTO, NEWS] Nikon vor 620 … Continue reading "918 Getty Bans AI"

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Topics: [COOL] Register Now: Eastern European Photo Road Trip : The 10-day Eastern European Photo Road Trip from Berlin via Dresden/Prague/Vienna/Budapest to Transylvania is now officially open for registration! The dates are: Tour 1 (Berlin to Transylvania) Sep 2-11 2023 and Tour 2 (Transylvania to Berlin) Sep 14-23 2023. If you’re interested, send Chris a … Continue reading "924 You’re Hoarding It Wrong"

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On this episode: JUST RELEASED: the third edition of The Film Photography Handbook. JUST RELAUNCHED: chrismarquardt.com (now offers information about my services in training, consulting, production, and photography as well as some references to past work). COMING UP: The 10-day Eastern Europe photo road trip in Sep 2023 for amateur and professional photographers to visit … Continue reading "926 Digitizing 88-Year-Old Photos, AI Protests, Relaunches"

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It’s been too long! In today’s episode Chris brings you a fresh mixture of photo topics that go deep into the changes that we photographers face, as well as a discussion on what determines the value of a photograph. Turns out there are a lot of answers. Topics: [WORKSHOPS] Eastern European Electric Photo Road Trip … Continue reading "930 The Sky Mystery"

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Yes, they have been tricking you. Millions of albums sold that were produced with cheap plastic gear. Inconceivable! Also on today’s show: a few words on dpreview’s demise (and resurrection), some thoughts (and a request for feedback) on guilt, fear and frustrations in photography. Plus thoughts on CJ Chilvers’ latest post about the gear race … Continue reading "932 You’ve Been Tricked!"

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Presenting jam-packed newsreel, a new book, French influencer law, semantic segmentation in real-time, dpreview’s archive, a new film by Fuji, the Mickey-Mouse-Leica and DALL-E coming to a browser near you. Special guest Allan Attridge of Two Hosers fame (he now also builds furniture on YouTube) and Chris talk about life, creating youtube videos and growing … Continue reading "933 Hawk Birdhouse and the Mickey Mouse Camera"

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In this episode, Chris explores a unique twist on street photography, discusses the challenges of auto white balance in wildfire conditions. He also delves into the world of AI with Uncrop and a quick GAN. There’s news from Nikon, a treat for Lego and Ansel Adams fans, a look at the viral AI-“Camera” Paragraphica, and … Continue reading "934 Facial Fakes, Fiery Frames"

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Chris dives into a legal battle as music photographer Alec Byrne sues Getty Images, explores a nifty DIY Game Boy Mini Camera, unravels how AI reconstructs 3D scenes from eye reflections, geeks out on physical camera simulations in Blender, marvels at a super-sensitive camera changing art conservation, ponders National Geographic’s layoffs, and discovers a trendy … Continue reading "935 Spy Stuff"

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Our first post was twenty years ago today. It was followed by posts on The Electoral College favors voters in small states; Why it’s rational to vote; Bayes and Popper; and Overrepresentation of small states/provinces, and the USA Today effects. … Continue reading →

A colleague who works in a field that uses a lot of survey research asks: Can you recommend papers about detecting bad survey responses? We have some such methods where I work, but I’m curious what the Census Bureau and … Continue reading →

Sociologist Claude Fischer writes: Polarization has been less a matter of Americans becoming extremists—most remain centrists or oblivious to politics—but more that politically engaged Americans have increasingly aligned their views, values, and even their practices, from where they live to … Continue reading →

Data-share this, pal: As the man said, you have no obligation to share any of your data and I have no obligation to believe anything you say.

As forwarded to us by Max Shepsi: I’m starting to see a pattern here!

Someone pointed me to this news article with the delightful url, https://www.nytimes.com/2024/10/16/science/sam-yoon-columbia-cancer-surgeon-5-more-retractions.html: Columbia Cancer Surgeon Notches 5 More Retractions for Suspicious Data The chief of a cancer surgery division at Columbia University this week had five research articles retracted and … Continue reading →

Campos quotes a comment from a thread on RFK Jr. and his running mate: It’s a very short jump from believing kale smoothies are a cure for cancer to denying the Holocaust happened. He points to this link: The physiologist … Continue reading →

Anna Riha, Nikolas Siccha, Antti Oulasvirta, and Aki Vehtari write: When building statistical models for Bayesian data analysis tasks, required and optional iterative adjustments and different modelling choices can give rise to numerous candidate models. In particular, checks and evaluations … Continue reading →

Horrifying story here from Sharon Lerner how chemical products company 3M (which has successfully branded itself as the cuddly people behind Post-it notes) polluted the world’s water supply and covered it up for decades. It features several issues we’ve discussed … Continue reading →

Kiran Gauthier writes: I was checking the web pages for Active Statistics and Regression and Other Stories and although I saw that Active Statistics is meant to accompany Regression and Other Stories, I was wondering how you would recommend reading … Continue reading →

Laboratory assays are central to much of biomedical research. My colleagues and I recently received a research grant to do better assays using Bayesian inference. Beyond the usual challenges of fitting nonlinear hierarchical models to real data that can sometimes … Continue reading →

This is Bob. We’re hiring It’s that time of year again and we’re hiring at all levels at the Center for Computational Mathematics (CCM) at Flatiron Institute (the in-house research arm of Simons Foundation). As they are listed, job ads … Continue reading →

tl;dr. Prediction markets give good forecasts because they attract “smart money” that will fix any gaps between current odds and best available information. The “smart money” is in turn motivated by the profits they can take from “dumb money” coming … Continue reading →

Bert Gunter points to this news article by Jeffrey Brainard that reports: Careful scientists know to acknowledge uncertainty in the findings and conclusions of their papers. But in one leading journal, the frequency of hedging words such as “might” and … Continue reading →

Shira writes: As an Appalachian Trail hiker, I always treat my clothes with permethrin. I’m a big fan of Sawyer products, but this claim caught my eye: Reduce likelihood of a tick bite by 73.6 times by treating shoes and … Continue reading →

A colleague pointed to this news article, “Do People in ‘Blue Zones’ Actually Live Longer?”, and wrote that I might find it blog-worthy. I replied that, yeah, the topic is blog-worthy enough that it’s already appeared on the blog, with … Continue reading →

From the team that brought you “good-looking parents are 36% more likely to have a baby daughter as their first child than a baby son” and “The PDO cool mode has replaced the warm mode in the Pacific Ocean, virtually … Continue reading →

A colleague writes: Have you seen this article by Nate Cohn at the New York Times? A few things in it seemed weird. For one, he writes: The tendency for recall vote to overstate the winner of the last election … Continue reading →

(This post is by Charles) Art Owen (Stanford) read our paper on nesting Rhat to assess convergence in the many-short-chains regime of MCMC. He made a lot of great comments and asked some clarification questions. Notably: It wasn’t clear to me … Continue reading →

Harrison Siegel pointed us to this project with Maximiliano Isi and Will Farr on gravitational-wave analysis. The compare models using predictive evaluation, in particular leave-one-out cross-validation (LOO), as discussed here and here. Siegel writes: We discuss our implementation of the … Continue reading →

Just in time for Halloween, we have a scarily effective implementation of Stan on the web, full of a veritable haunted house of delicious treats. Brian Ward, Jeff Soules, and Jeremy Magland write: Stan Playground is a new open-source, browser-based … Continue reading →

Shane Frederick writes: Trivia question for you. I kept temperature records for 100 days one year in Boston, starting August 15th (day “0”). What would you guess is the correlation between day# and temp? r=??? Shane sends me this kind … Continue reading →

There’s some confusion regarding jumps in election forecasts. New information is coming in every day, so it makes sense that forecasts change too. But they don’t change very much. Each new piece of information tells you only a little bit. … Continue reading →

Paul Alper shares this horrifying news story by Laura Meckler: Brian Ray has spent the last three decades as one of the nation’s top evangelists for home schooling. As a researcher, he has published studies purporting to show that these … Continue reading →

There are actually two questions here: 1. Should pollsters share all the information on their design, data collection, and analyses? 2. If yes on question 1 above, should this information be made public ahead of time, before the survey is … Continue reading →

A political science colleague wrote in: We are all abuzz about the Harris +3 in that Iowa Poll with its great track record. When I check the write up of this poll I see a reasonably detailed description of their … Continue reading →

(Before going on, please read the last sentence of the P.P.S. below to put this post in context.) Blake McShane points us to this 1977 article, “Frequentist Probability and Frequentist Statistics,” by Jerzy Neyman, the statistician who made fundamental contributions … Continue reading →

I hadn’t thought about bee dancing for a long time, when someone pointed me to this post by Laura Luebbert and Lior Pachter on a bit of data fraud in biology. Luebbert writes: Four years ago, during the first year … Continue reading →

I came across this blog comment from a couple years ago saying that, whatever was going on in the head of Brian “Pizzagate” Wansink when he wrote up those papers with the fake data, in any case his papers papers … Continue reading →

This post is by Phil. A couple of months ago, this blog had a discussion that was prompted by the fact that 2 of the top 5 female American tennis players are the children of billionaires. One, that could be … Continue reading →

Several people pointed me to this news report on a successful bettor in an election prediction market: Not only did he see Donald Trump winning the presidency, he wagered that Trump would win the popular vote—an outcome that many political … Continue reading →

Erik van Zwet, Witold Więcek, and I write: Effect sizes typically vary among studies of the same intervention. In a random effects meta-analysis, this variation is explicitly taken into account. However, when we have only one study, the heterogeneity remains … Continue reading →

This post is by Lizzie. I hope you like the cats photo from this summer. I do. I am looking for help. I decided to change my term course (12-14 weeks-long) on `introduction to Bayesian modeling with some hierarchical modeling’ … Continue reading →

I just learned about this paper from 2020, Specification curve analysis, by Uri Simonsohn, Joseph Simmons, and Leif Nelson: Empirical results hinge on analytical decisions that are defensible, arbitrary and motivated. These decisions probably introduce bias (towards the narrative put … Continue reading →

Quite often we hear in the news the lament that “if only we would have enough vaccine!”. In principal that is true, but more the theoretical claim, that only if we would have 170 Mio doses, everybody in Germany could get the two shots … Fact is, that being Germans and doing everything as thorough […]