Ryan O'Neil @ryanjoneil
Decision Science — Integer Programming, Constraint Programming, and Decision Diagrams. Cat and early music enthusiast. Prefers Go, Python, and Julia. ryanjoneil.github.io The Internet Joined July 2013-
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This, TBH.
@SumitGup There wasn't much excitement in the optimization community as we were used to AI folks claiming stuff without comparing to state of the art. Like the recent paper on bin packing.
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The "Emmy Winner" bit is so cool.
The 2024 Distinguished Service Award Committee: John Chinneck, Chair (Carleton University) Karla Hoffman (George Mason University) David Woodruff (University of California, Davis) Merve Bodur, ICS VP (University of Edinburgh)
A simple example of @gurobi's hierarchical optimization features in action, which let you make trade-offs between different objectives in a sensible way. Spoiler alert, it's pretty nice! ryanjoneil.github.io/posts/2024-11-… #orms #datascience
@jeremybowers For me it's always Jascha Heifetz playing the Bach Chaconne.
😱 The formulation? Truly scary, 👹 And the code was rough and hairy. 🤷 Still, I gave it to the solver, 😨 Hoping it would soon be over. 😡 But the solver sent it back, 👻 And "Infeasiboo!" it spat. 🎃 Happy Halloween!
@EUROonline_News has a new online seminar on Operations Research and Machine Learning. More information here: euroorml.euro-online.org #ORMS #ML
Fun but kinda true: listen to the latest @FiveThirtyEight podcast and every time you hear "poll" think "benchmark." open.spotify.com/episode/2flJUP…
@srush_nlp Tell them they can overfit a decision tree just as easy. The answer is applying rigorous statistical tests to the model, irrespective of what the model is.
🧟 #ORMS tweeps: is anyone out there using one of these packages? I'd love to pick your 🧠. - Gurobi ML - PySCIPOptML - another ML embedding library I don't know about...
@ShaanVP Pretty easy for us @getnextmv and we do services. Email us at [email protected].
The other night my 2 year old wanted to bake. We got partway into a batch of banana bread before I realized we were out of brown sugar. @gopuff brought me some quickly enough that we popped it into the oven before she went to bed. What was life like before ultrafast delivery? 🤔
I'll be showing how to build and deploy the most important models for on-demand delivery services using #ORTools at #PyData Global next month! Get your tickets here. #orms ti.to/pydata/pydata-…
@lauraalbertphd @garbage Same year, but "Mellon Collie and the Infinite Sadness."
At @getnextmv we do #optimization speed runs. In a couple weeks, I'll up the ante and do 3 in 30 minutes. Come see the 3 main models you need to operate an #ondemand #lastmile service using 3 solvers: #ORTools, @HighsOpt, and our own #nextroute. nextmv.io/videos/forecas…
@tebeka Not clear to me why you wouldn't just use "var v T" though, as that gives you the zero value.
@tebeka I assume the pre-generics version of this is less efficient? goplay.tools/snippet/pulVOQ…
@mattturck Sucks to be a founder in your 40s tho...
@mattturck Not even joking that this was the ad Twitter^WX showed in the reply thread.
@KayseMaass @INFORMS_WORMS @INFORMS I was so happy to see this little one (and a couple others) on the exhibit hall floor!
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