tj nightmahr 🧟‍♂️

tj nightmahr 🧟‍♂️

@tjmahr.com

data scientist studying how kids learn to speak, dad, jump roper, bayesian, husband to @amandawalrus.bsky.social, tjmahr.com, Madison, WI

2.7K followers1K following6.1K posts

i have a deadline but feel like i am backed into a corner and can't concentrate, which is the opposite of my normal response of going beast mode under pressure

my nine year old was lying prone on her chair and she said she was doing mission impossible and I just gotta wonder where she learned that reference. that’s 30 years old

tj nightmahr 🧟‍♂️ reposted

Lula winning is (almost) every Brazilian fighter’s 9/11.

Brent Brookhouse@pridefightingchampionships.com

I'd check in on how like 99% of Brazilian MMA fighters are handling this, but I already know.

tj nightmahr 🧟‍♂️ reposted

This is completely fucking unhinged behavior from whatever product manager that pushed this. On the spot fireable offense if we lived in a reasonable world

Carlos Scheidegger@cscheid.net

Siri, this is insane. (Context: I just upgraded to the latest phone) I got a text message from our building manager about some other renter doing some bullshit in the common areas. I blurted out “wow” entirely involuntarily. Siri helpfully put a !! emoji reaction on the text. Absolutely fucking not

tj nightmahr 🧟‍♂️ reposted

New CRAN Policy revision just dropped (per my cronjob posting only to @CRANPolicyWatch@fosstodon.org) and now I want to of course know which #Rstats package at CRAN was the offender 🤯

500 posterior draws from a hand-crafted artisanal beta regression mixed effects model, marginalized over speaker-level variance, vs. just calling stat_smooth() and stat_summary() on the underlying data

it just makes me smile. like, yeah the fancy averaging matches the simple averaging, but now i get to compute whatever downstream statistic i want (percentiles, age of steepest growth, age-conditional / adult mean as a normalized mean)

false. the purpose of peer review imho is to make sure authors include a sufficient number of citations of related work by Mahr and colleagues.

tj nightmahr 🧟‍♂️ reposted

#TodayinHistory #dataviz #OTD 📊 📅 Today is FECHNER DAY! #psychophysics Oct 22, 1850 Gustav Fechner: Fechner's Law (that psychological Sensation ~ log Intensity) comes to Fechner in a dream [Stigler:1986,p.243] A core idea behind accuracy of visual encoding of data: length > angle > area > color

tj nightmahr 🧟‍♂️ reposted

I truly dislike the term "Questionable Research Practices," most of all because it implies the existence of "Unquestionable Research Practices," which itself would be highly questionable if you think about it.

View full thread

tj nightmahr 🧟‍♂️ reposted

Israel’s Foreign Ministry attacking Brad Lander - a self-described liberal Zionist - by name, simply for doing protective presence, should be the final sign that the Israeli government would gladly sacrifice every last Jew in Diaspora to dominate more Palestinians with impunity.

tj nightmahr 🧟‍♂️ reposted

for those only dimly aware of cybersecurity people screaming, "a security certificate which underpins the entire internet used '4' for a private key that is supposed to be 116 digits long" and "a popular web language lets anyone run code on your server" are two different issues from the same day

tj nightmahr 🧟‍♂️ reposted

Announcing DuckDB 2.0.0 LTS “Cinnamon Teal” 🦆 This is the biggest #DuckDB feature release ever, and it's shipping a polished version of the Quack protocol for DuckDB-as-a-server, async I/O, a first-class VARIANT type, agent mode, triggers, an extensible SQL parser and more – read on for details.

duckdb.orgAnnouncing DuckDB 2.0.0 LTS “Cinnamon Teal”The DuckDB team is happy to announce that today we're releasing DuckDB version 2.0.0 LTS, codenamed “Cinnamon Teal” (Spatula cyanoptera). This is our biggest feature release so far, and it ships a pol...

tj nightmahr 🧟‍♂️ reposted

like vance, ramaswamy is a hateful, resentful orc of a human being, and the reason i think this will hurt him politically — where this stuff didn’t hurt trump — is that ramaswamy, like vance, is also profoundly unlikeable. he has no charm or charisma or anything. just a dipshit.

FactPost@factpostnews.bsky.social

Unearthed footage of Vivek Ramaswamy mocking Amy Acton for being a survivor of childhood abuse: "She has no vision other than to complain about what someone else did to her"

tj nightmahr 🧟‍♂️ reposted

ok this inspired me. I am now making #Rbee. Rbee will use only R package and function names. I'll repost here once it is ready to play. #RStats

Jeremy Allen@jeremy-data.bsky.social

again, the NYT Spelling Bee is wrong. #RStats

tj nightmahr 🧟‍♂️ reposted

"(1) the moral panic used to justify preregistration to begin with is largely manufactured and not evidentiary, (2) there is more evidence that stereotype threat is real than there is that preregistration passes its own manipulation check,...."

theapologeticprofessor.substack.comI’ve Read the Evidence People Sent Me In Favor of Preregistration. Here’s My Response.It moved the needle a little bit, but not enough for me to grant preregistration the central place its proponents believe it should have.

tj nightmahr 🧟‍♂️ reposted

Not to be a broken record here, but he's doing this because the the sexual abuse of children is a policy goal of the Republican Party. They do it themselves, their elected officials use their powers of office to ensure it continues, their primary electorate punishes dissidents on the issue.

Vivek is doubling down and doing a $4m ad buy for the Acton Mom ad which has been widely debunked and faced bipartisan backlash www.axios.com/2026/10/21/r...