Mastodawn

🎉 Oh, joy! Another riveting deep dive into rounding errors as if it were the hottest topic since sliced bread 🍞. Bias compounds? 🙄 More like, "Math nerds compound their own importance while the rest of us nod and smile politely." Variance washes out? Good luck washing out the boredom from this snooze-fest. 💤
https://convergentthinking.sh/posts/bias-compounds-variance-washes-out/ #roundingerrors #mathhumor #dataanalysis #snoozefest #biascompounding #deepdive #HackerNews #ngated

Bias Compounds, Variance Washes Out

Round-to-nearest makes the same error every time. Stochastic rounding doesn't. Over long runs, that's everything.

Convergent Thinking

Alanna 🏳️‍🌈🏳️‍⚧️Jan 8, 2025

JFC please don't use floating point types for calculating financial transactions or storing monetary values. I just got asked to review some code by someone and it is the first thing I spotted.

#roundingerrors #floatingpoint #softwareengineering

रञ्जित (Ranjit Mathew)May 26, 2024

Nice:

“Taming Floating Point Sums”, Orson Peters (https://orlp.net/blog/taming-float-sums/).

Via HN: https://news.ycombinator.com/item?id=40477604

On Lobsters: https://lobste.rs/s/lps7qx/taming_floating_point_sums

#Programming #NumericalMethods #FloatingPoint #Sum #KahanSummation #Rust #AutoVectorization #Speed #Accuracy #RoundingErrors

Taming Floating-Point Sums | orlp.net

Ruth Mottram Jan 7, 2023

The (sort of, maybe a bit) revival* of #blogs might be a good consequence of the flight to the #Fediverse - at least I've started writing and reading them again.

This one on #RoundingErrors is a corker by @micefearboggis and if you're at all interested in #Climate #homogenisation or #Statistics you should definitely be following him.
A classic of the #genre.

*Yes there's lots of caveats, notably, it maybe too soon to tell..
https://fediscience.org/@micefearboggis/109647834997768125

John Kennedy (@[email protected])

Rounding errors - extreme edition In which I look in mind-numbing detail at distributions of measurement errors caused by rounding. Ostensibly to resolve an urgent scientific question, but really because I think they're pretty. https://diagrammonkey.wordpress.com/2023/01/07/rounding-errors-extreme-edition/

FediScience.org

sebastian Feb 6, 2020

Tweet from Lulu Friesdat (@LuluFriesdat), at Feb 5, 10:31 PM
Thread. We found #RoundingErrors in 30% of the precinct math worksheets that we examined from the #IowaCaucus. Each "rounding error" gave one extra delegate to a candidate, over 50% of the time the extra delegate went to @PeteButtigieg. https://t.co/I3KTkbtHdr #SMARTelections https://t.co/btcjCivtbk

https://twitter.com/LuluFriesdat/status/1225256764649680898

Bias Compounds, Variance Washes Out

Taming Floating-Point Sums | orlp.net

John Kennedy (@[email protected])

Iowa Rounding Errors | SMART Elections