@brshallo profile picture
Bryan Shalloway @brshallo
Joined May 2011
  • Tweets 1,285
  • Following 783
  • Followers 568
321 Photos and videos
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Bryan Shalloway@brshallo
30 Oct 2023
{funspotr} -- #rstats function spotter -- is now compatible with quarto documents and is available on CRAN. Rstudio conf 2022 pres: youtube.com/watch?v=c9oU7ALJ… package on github: github.com/brshallo/funspotr
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I'm referenced here:
The Seattle Times
@seattletimes
23 Oct 2024
The drumbeat for months, from Seattle school officials and outside experts, is that enrollment is going to drop so school closures are needed. But then it didn't. st.news/3Uhm0s8
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Reading "Everything is Predictable," is interesting how some of the origins of probability came about by identifying "fair" ways to split a gambling pot part way through a game. Could be interesting to calculate in the context of a game of pick-up... applying pascals' triangle
Bryan Shalloway@brshallo
29 Aug 2024
1s and 2s full court is a scourge that must be defeated but if you think you "get it" yet are playing make-it-take-it by 2s and 3s, you are missing something. bryanshalloway.com/2024/08/2…
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Gave a lightning talk at @cascadiarconf on how prediction intervals are helpful both in informing intermediary agents and in setting the bounds within which you want those agents to operate : youtube.com/watch?v=jkxp987m… #rstats
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When playing make-it-take-it pickup basketball the expected value of shots can be approximated as a geometric series: bryanshalloway.com/2024/08/2…
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#rstats #sportsanalytics post on expected values under different possession and scoring systems in pickup basketball. One takeaway is that, once you leave "balanced" FG % conditions, shooting incentives in make-it-take-it can get out-of-whack pretty quickly.
Bryan Shalloway@brshallo
29 Aug 2024
1s and 2s full court is a scourge that must be defeated but if you think you "get it" yet are playing make-it-take-it by 2s and 3s, you are missing something. bryanshalloway.com/2024/08/2…
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1s and 2s full court is a scourge that must be defeated but if you think you "get it" yet are playing make-it-take-it by 2s and 3s, you are missing something. bryanshalloway.com/2024/08/2…
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When you work it out under these conditions, it turns out 1s and 2s likely offers more balanced incentives than 2s and 3s.
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If you're curious why and what you should do with this information, I wrote a short blog post on the topic: bryanshalloway.com/2024/08/2…
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When I play pickup basketball I like to go by 2s and 3s because it gives more similar expected values to a wider range of shots compared to the more commonly played 1s and 2s (where taking long range shots often becomes the dominant strategy).
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However 2s and 3s isn't always better. If you're playing "make-it-take-it"--where scoring comes with retaining possession--expected points are not just {expected points of shot} but also {expected points of future shots you may get if you score and therefore retain possession}.
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Inconsistent rules are like plot holes in a movie, you get pulled out of the experience... and then, what's the point? Why play? (... yeah, yeah, time with friends / family, blah blah blah...). If I have a say in the rules, I like to choose rules that make for a balanced game.
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I don't like the phrase "it's just a game." Yes, the stakes may be low but the zest of life comes from *getting into it.* I tend to be a stickler on rules because rules facilitate balanced games. I'm fine with house rules but be consistent.
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A lot of armchair AI psychologists out there...
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Pascal's triangle is awesome: youtube.com/watch?v=XMriWTvP…
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Very good visual for understanding epistemic and aleatoric uncertainty (youtube.com/watch?v=Cla7b6UY…).
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posit::conf is a highlight each year. I'm excited it's in Seattle for 2024. I'll be presenting on the first day, Tuesday 8/13, in the ML and Statistical Modeling session. My talk is on uncertainty in prediction (reg.conf.posit.co/flow/posit…). If you're around come say "Hi."
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Bryan Shalloway retweeted
Aditya Dahiya@AdityaDahiyaIAS
10 Jul 2024
#TidyTuesday A look at @drob's #R scripts' most common functions. As expected, #tidyverse and #ggplot2 dominate! Data: {funspotr} by @brshallo Code🔗tinyurl.com/tidy-drob Tools: #rstats, #ggraph, #ggtext, #packcircles by @ptr_menzel and @R_Graph_Gallery
A packed circles diagram, showing top 100 functions used in the scripts. Area of each circle corresponds to how frequently a function appears in the scripts. Colour of circle refers to the package.

ALT A packed circles diagram, showing top 100 functions used in the scripts. Area of each circle corresponds to how frequently a function appears in the scripts. Colour of circle refers to the package.

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Bryan Shalloway retweeted
Cascadia R Conf@cascadiarconf
22 Jun 2024
Incredible lineup of⚡️ talks! We heard about #TidyModels, Posit Public Package Manager, #QuartoPub blogs, #Shiny, #RStats pkg development, & GenTwoArmsTrialSize! 👏🏼 for Bryan Shalloway, Joe Roberts, Randi Bolt, Lovekumar Patel, Cameron Ashton, and Mohsen Soltanifar!
Bryan Shalloway presenting at Cascadia Conf

ALT Bryan Shalloway presenting at Cascadia Conf

Joe Roberts presenting at Cascadia Conf

ALT Joe Roberts presenting at Cascadia Conf

Randi Bolt presenting at Cascadia Conf

ALT Randi Bolt presenting at Cascadia Conf

Lovekumar Patel presenting at Cascadia Conf

ALT Lovekumar Patel presenting at Cascadia Conf

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There are plenty of weaknesses and questions regarding the "Intermittent Fasting linked to 91% higher risk of heart death" study that was grabbing headlines in March... but in this post I walk through problems with some of @nntaleb 's lines of criticism: bryanshalloway.com/2024/05/0…
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Bryan Shalloway retweeted
Cascadia R Conf@cascadiarconf
30 Apr 2024
Replying to @brshallo
@brshallo will be presenting his talk titled “Prediction Intervals in Tidymodels” where he will overview tidymodels ecosystem and different methods to produce prediction intervals. Check out his blog posts for a primer: bryanshalloway.com/
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