Jaan Lı 李 PhD (leaving academia: you hiring? :) @thejaan Twitter profile

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

17 days

Made in a few hours - interactive visualization of millions of glucose measurements from 150k people: (I'm aiming to work at the intersection of AI & large language models and interactive visualizations such as this. DM me if hiring / know a good fit!)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

How does physics connect to machine learning? I wrote 5000 words and it's a bit clearer :O Feedback APREESH

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 months

Please stop what you are doing and for the sake of millions of people who died from preventable causes (the @NIH should never have funded this research) read this: Thank you @Ayjchan on behalf of our family in Wuhan that we smuggle paxlovid for, 2x90yo

Opinion | Why the Pandemic Probably Started in a Lab, in 5 Key Points (Gift Article)

The world must not continue to bear the intolerable risks of research with the potential to cause pandemics.

www.nytimes.com

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

1 year

Looking for a full-time role in AI / large language models (research/eng potentially focused on health). Know anyone to chat with? Please RT/forward my CV ()/DM/connect me. I've built large language models, have 1000+ citations (NeurIPS, ICML, AISTATS).

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 years

Finished Grade 23!!! Just got a real PhD after a virtual defense 😆 Video of defense: Thesis: Write-up: issues/tips for doing it on Zoom 💌 Started: post-thesis mailing list

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

3 years

WOW I feel like I've seen the future of deep learning + autodiff. Are you using jax yet?? It's a breeze compared to tensorflow. AND 3x speedup over pytorch! Used a VAE to benchmark: Shouts out to @SingularMattrix & co for all your work on this!!!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

So very excited about this line of work! Defines multiple #causalinference . Solves it using mutual information regularization (secret sauce: variational inference tricks!) Like the matrix 💊 can't unsee it. Now potential applications everywhere

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

what an honor to hear professor @colinraffel speak at @nyuniversity about the issues with language models such as ChatGPT based on his work as professor at @unccs and as faculty researcher @huggingface . mind blown. #chatgpt may be doing okay but i'm on team colin for his version.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

Me: gets green card thanks to @EricTopol , @david_sontag , @AnimaAnandkumar , George Hripcsak @columbia signing letters after paying US tax since 2013. @USCIS : "find a place to live", "get a job", "find health care", "improve your English"... Please fix this onboarding @USDS 😅

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

5 day fast project: made a recommendation engine and visualized 50k recipes with embeddings! #gradlyfe #foodie

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

TLDR: Inject noise into any neural net, even 1D noise, then it can be interpreted as a latent variable model!!! 😮

Dustin Tran

@dustinvtran

8 years

Rajesh Ranganath, Dave Blei and I released "Deep and Hierarchical Implicit Models" on arXiv

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 months

Pretty wild: 38 million people's income on a single chart (2 decades' data!!) Check it out: Thank you @recifs and @mbostock for the tips on asynchronous JavaScript!! This new @observablehq framework + @duckdb enables really, really cool new applications.

Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 months

Woah this is much nicer thanks to @recifs 's wizardry with Observable Plot! Updated the Census visuals: (& officially sold on the @duckdb -> @getdbt -> @observablehq workflow; scalable to millions of peoples'/households' data & rendered gorgeously ^_^)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

New work: proximity constraints improve variational inference Sigmoid belief net / VAE code:

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 months

had a dope time presenting at @LightningAI - really recommend it! def the most diverse audience i have ever given a talk to. talked about some cool work at @onefact_org in health care AI :) demo - how race to the bottom of wrapper companies works:

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

Added - deep exponential family models in @ApacheMXNet Imperative / dynamic computational graphs == the future! 😍

GitHub - jaanli/deep-exponential-families-gluon: Deep exponential family models in MXNet/Gluon....

Deep exponential family models in MXNet/Gluon. Layers o' latents 💤 - jaanli/deep-exponential-families-gluon

github.com

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

Insane remote teaching setup for @unitartu + @kordinglab + @onefact_org 's first lecture on . Dm me if you wanna audit / want the livestream link to Twitch! Students exclusively use ChatGPT and CoPilot and tools like @lexdotpage - all open source on github.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

PROUD of my 2017 @CitiBikeNYC stats! Top speed 25.9 km/h Avg speed 14.6 km/h Money saved $874.5 Distance 1325.8 km 330 Trips == best investment I made #OpenSource 'd my data and code: (Easy to port to your data! Commuters – share yours?) 🚴‍♂️💻📈

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

1 year

Made a map of 100+ hospitals in the NYC area: alongside quality metrics. Next up: adding price information from our database of 4000+ hospitals. Ping me if you want to help with this or donate to broaden this to all hospitals! (501c3, tax-deductible)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

Top Innovation 2017 to come out of @DSI_Columbia is "High-Dimensional Ping Pong" Insanely challenging and fun #pingpong (Here we Play on top of an optimization whiteboard with a $10 net, to practice Passive Knowledge Absorption)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Just wrote a post + simple implementation of variational autoencoders! Would love your feedback to improve it :)

hardmaru

@hardmaru

8 years

The Unreasonable Confusion of Variational Autoencoders via @thejaan

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

Embarrassed to admit tricks in still work, but now I'm addicted to my GITHUB FEED 😬 (the last thing I can't permaban for work) Pro: readmes very high in info per bits Con: compulsively refresh github, commits/stars/forks flow by slowly = less dopamine

Experiments in information overload

Every lifehack I use.

jaan.io

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 months

so stoked for @duckdb con ---> QUACK THIS WAY <--- in a month! fun to beta test @Apple 's and @awnihannun 's hard work on mlx-swift integration () and @maxxen_ 's hard work on vector search extensions for online analytics databases!

Ethan

@ethanf_17

4 months

DuckDB is my new best friend for analytics. It's so fast, makes it easy to manipulate dataframes, ingests anything, and exports it to whatever form I want. Parquet, Arrow dataframes, and DuckDB are the future for analytics.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Best frivolous #lifehack that makes people happy: draw a complicated smiley face instead of signing at checkout :)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

Grateful to celebrate #womensday and my birthday with the moms in the motherland, at Estonia's first machine learning conference! #bornfeminist

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

3 years

New work! Supervised topic models work well for predicting molecular substructure from mass spectra - especially with limited data Open access: Open source: Super stoked for the follow-ups!!!!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 months

Wow this is exactly what I want! An AI app to harvest my most vulnerable moments and monetize them to remunerate shareholders and uphold fiduciary responsibility and triple ARR. Thanks so much @ariannahuff and @sama ! I couldn’t be sold a brand behavioral identity as efficiently

Arianna Huffington

@ariannahuff

4 months

Today Sam Altman and I published a piece in TIME sharing our vision for how AI-driven personalized behavior change can transform healthcare and announcing the launch of Thrive AI Health, a new company funded by the OpenAI Startup Fund and Thrive Global, which will be devoted to

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 months

Woah this is much nicer thanks to @recifs 's wizardry with Observable Plot! Updated the Census visuals: (& officially sold on the @duckdb -> @getdbt -> @observablehq workflow; scalable to millions of peoples'/households' data & rendered gorgeously ^_^)

Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 months

Fun trying out @observablehq 's new visualization framework for the web using @uscensusbureau data. Demo + code with American Community Survey data: Framework: Thank you @mbostock and @recifs and & co for open sourcing this!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

Psyched to have helped a bit on this! ++ peep the funnest machine learning emoji 😂 Deep language models can predict patient readmission from clinical notes. Also don't miss concurrent work from @Emily_Alsentzer :)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

1 year

Which companies / teams are working on this? I'm actively looking for a full-time role to help (have helped build large language models for broad use cases in health). DMs open or email me: altosaar @alumni .princeton.edu :) it's an exciting time!!

Eric Topol

@EricTopol

1 year

Some stunning progress in medical #AI "The convergence of unprecedented, massive computing power and self-supervised learning of a ginormous body of human-derived data has laid the foundation for medical applications that were not previously within reach."

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

Musicians becoming machine learners->useful tools for creativity! Thibeault trained neural nets to predict guitar effects and the results are impressive: Bonus: crazy new dataset of Moog sounds Data/code/blog:

Guitar effects - real and predicted

15 guitar sounds from the secret sauce dataset (#8000 to #8014), first real, then predicted with a LSTM.More info: sellam.me

www.youtube.com

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 months

So stoked to give a talk at @duckdb 's annual conference called "DUCKCON" in a few weeks in Seattle! Hit me up if you'll be in the area: Only plan is to go see the Bullitt center for our sauna financing and drive to @esalen

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 months

Weekend: visualizing all 850k real estates in NYC :) What should I link this with besides sauna access/ ? Thank you rockstar teams @ @protomaps @observablehq @bdon for enabling this, all open source + free to reuse! Please RT!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

Wow @Kyle_L_Wiggers must be one of the few journalists that reads the arXiv every day 😮👀 (our work on ClinicalBERT got covered immediately after hitting the arXiv! )

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

New paper with @dustinvtran , Rajesh and Dave! :D Thank you @shakir_za

Shakir Mohamed

@shakir_za

8 years

The papers this year, like this one, that exploit the Stein divergence are amongst my favourite new papers. Really expanded my thinking.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 months

🙇‍♂️ ⁦humbling to meet @hfmuehleisen ⁩, ⁦ @mraasveldt ⁩, ⁦ @__AlexMonahan__ ⁩ in-person and get to deliver in order to "quack this way" at #duckcon . Rare to talk about HIPAA, capital stacks, 2 petabytes, AI/RAG, cochleograms!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

. @porterairlines Still stranded in NYC (here at 8am, now 2pm and you have delayed my flight 6 times). No Christmas dinner for me. 🎄😥 #MerryChristmasEve

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

Just experienced the future of #bicycles - no more pesky, unreliable gear changes. Try it! Look for this icon on your next @CitiBikeNYC

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 years

@KyleCranmer @blei_lab Thank you so much @KyleCranmer !!! Couldn't have done it without you and your labs' support, and I'm pumped to continue our work together 🙏😅

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 years

Want to reliably compare pre-trained representations for a downstream task? Proud to have been a small part of work to address this question led by @wfwhitney How many papers come with code that runs on both @jax AND @pytorch ??? 🦠🔬

Will Whitney

@wfwhitney

4 years

New paper! We propose to measure the quality of learned representations using the complexity of finding a nearly-optimal predictor on a downstream task. Blog: Paper: Library:

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

DM me to RSVP to the green card party Q1 2023 in NYC. PhD party was nuts, so we're going bigger this time around :)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

. @hardmaru OMG Just 2Xed the data thanks to reddit. the embeddings are much better now. 100k recipes! Updated post and exploration tools XD

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Best NYC #lifehack : interval training in Central Park on a @CitiBikeNYC (apply brakes for increased resistance, no gym membership needed :)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

11 years

Just launched http://t.co/JvDTz6S1k3 - let me know if you have any feedback! http://t.co/G0sjoHuDSn

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

$70-90k/month is the typical going rate for these billboards. Excited to build @paylesshealth to make these million dollar a year investments less appealing to hospitals.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

This one goes out to all my fellow hoseheads who "take a sip from the CPAP flask" #CPAP #SleepApneaAwarenessMonth #AHIDecrease 2022 👿

voice.memo

@vmfreaks

6 years

“take care of yourself”

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 months

“Your circadian rhythm is optimal for raving because you just flew back from Singapore” — only in Williamsburg :)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 months

@harpriiya Do you remember the article? That’s a great quote. I was lucky to work at @GoogleDeepMind when young and see the same concept, realized thru golden handcuffs and a Byzantine leveling system for performance reviews :( and other dopamine induction and behavioral reinforcement

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Good advice from a colleague: "don't overfit to reviews" (applies to positive as well as negative feedback) #sciencestruggle #getahandle

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 months

I need help: building the next version of this map to visualize the price of health care in underserved communities. Know anyone who wants to help? Send em this/have them DM me. This slide from a talk I gave last year at the Open Visualization Summit hosted by @openjsf

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

3 years

STOKED about this chapter of my thesis! Optimal recall + food (content) recommender systems ✅ map of science (ok, ) according to how people actually read science ✅ blog post by the incred @olaya_gayol - 📜

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 months

To GOOG friends: I feel guilty after not seeing ads; for double dipping into your P&L; I know you have family. I can’t just read the AI result and leave, burning your electricity without viewing the ads that help pay for it so I scroll past the AI result and click ads. For you.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 months

Hey #NYC peeps - need help with understanding gentrification: Select areas you lived in '05–'22, see whether the income distribution and types of work people do aligns with your experience of seeing a neighborhood change! What should we look at next?

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 years

Check @_8bitwizard -> art for these times 🤿😷🎭 Pair with @tylercowen 's predictions for NYC:

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

Stuck at #JFK Terminal 4 due to weather. Anyone around and wanna get some quick improv games in? #airportimprov #terminalimprov

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Friday classics: Symbolic autodifferentiation in 12 lines of LISP, Gerald Jay Sussman (h/t Kostja @ fouryears.eu)

3B: Symbolic Differentiation; Quotation | Structure and Interpretation of Computer Programs |...

MIT OpenCourseWare is a web based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity

ocw.mit.edu

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

Love this #Miyazaki clip from Nausicaä of the Valley of the Wind. Helps practice loving-kindness meditation and visualize the tentacles–the holy appendages–of compassion in suffering. h/t @TaraBrach

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

Life path optimization via stochastic gradient ascent Reduce the variance (increasing the accuracy) of your next step in life by 'collecting datapoints' from people who have done what you want to do. #machinelearningkoans 🙏💫 h/t @cassandraxia 's talk @ :

Summer Program | SPARC

SPARC is a summer program that trains talented high schoolers to develop quantitative skills and apply these skills to themselves and the world.

www.sparc.camp

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 months

panama canal is man-made, & @TWSemicon and @nvidia have man-made supply side bottlenecks :) - @WhiteHouse did the CHIPS act () and it's going well - created thru lots of input from AI safety/EA orgs - i deprogrammed some high schoolers about this shit

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

From the same convo: "humans in cities find nature relaxing because they overfit to straight lines" #friendswhoneedtwitter

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

@CubanBTC @Columbia Right? That’s what they call “low income” these days. 😂😂😂

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 months

Pro large language model interface = Jupyter AI!! Highly recommend trying this, feels magical and way better than the @OpenAI ChatGPT interface or the @AnthropicAI interface I've been using for the past years. Wrote a mini quickstart here in 3 steps: 1. Install Jupyter AI:

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

. @reggiewatts you'll dig this room-size looper my brother built (u have to jump to use it; partial insp your 2880 setup). Check it if you're ever in Toronto!!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Animals doing gradient descent - super cool. Could we use this for improved distributed algorithms?

The evolution of distributed sensing and collective computation in animal populations

A computational model shows that natural selection can cause populations to evolve a distinctive population-level phenotype: the ability to transition between collective states in response to the...

elifesciences.org

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 years

My teams (, , ; 850+ people total) use @zulip and agree. It's better in every way. A *homework* assignment enabled by Zulip -- visualize the class' team chat logs with help from GPT:

Human-centered Data Thinking

Using empathy, with design thinking as a model and metaphor, we enable clear understanding of how to work with data to make considered and impactful decisions.

www.datathinking.org

Colin Raffel

@colinraffel

2 years

My lab and the CCCML community use Zulip () for chat because it's better than Slack/Discord/whatever in basically every way. Let me explain why: (1/5)

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

Bright pink toilet paper = best frivolous self-care #royalbaby @rajeshr

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

6 years

h/t Ranganath @aperotte #DreamTeam 🔥🏀💯

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 months

Statutory holiday service project - income distributions in #nyc vary across time, space, and race. Does this data align with your anecdata & lived experience in these neighborhoods? Need feedback/thoughts - RT/forward to a friend that might care!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 months

Rare sneak peek into future of health, wellness, wealth — and longevity: Highly recommend. Set aside a coffee for this (especially the audio version), especially if you can’t gawk at enough Huberman / Attia / Ferriss / Johnson dark triad content 🙇‍♂️🙇‍♂️

Field Report: Vitalia, The City of Life

I dived into the pop-up city of Vitalia to learn about the longevity community.

www.careculture.is

Toby

@tobyshorin

8 months

I have a new project called Care Culture, a newsletter and membership community focused on mental health, wellness subcultures, and integrative practice. my first post is live! I document my field trip to Vitalia, the longevity-themed city in Honduras.

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

2 months

Does this use query-key-value caching? Or other methods - in health care @onefact_org we need to consider the downstream impacts different methods can have (building a benchmark with @duckdb and @kuzudb and @neo4j for RAG slowly :)

Alex Albert

@alexalbert__

2 months

We just rolled out prompt caching in the Anthropic API. It cuts API input costs by up to 90% and reduces latency by up to 80%. Here's how it works:

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

8 years

I helped write an editorial on our mission statement at @usefulsci . It just went live - please share & RT!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 years

Just like A$AP Ferg I think about this beautiful Jay Z interview often Good inspo for the rest of us to get that therapy appointment in the cal ♥️ / /

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

7 years

#MachineLearningKoan In (in silico) reinforcement learning, we use a model of the world to learn a model to control the world. Why can't we just use the model of the world in the first place? 🤖🏴 h/t @sirrice

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

1 year

Need feedback: This visualization - all 106,000+ prices at a hospital in NYC. Crazy (!!) variation by maximum and minimum negotiated rate. This is NOT an efficient market (y=x). Open to collaborate on this if anyone is interested; dms open!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

4 months

Fire new work

Eran Malach

@EranMalach

4 months

Can Transformers extrapolate from short training sequences to long ones? Our new work shows that they display surprising “length generalization” capabilities on many algorithmic tasks: addition, multiplication, and even in-context simulation of SGD!

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Jaan Lı 李 PhD (leaving academia: you hiring? :)

@thejaan

5 months

Yeah, @othership_us is wild - my partner and I attended their first ketamine event in NYC with @JoinCurio . Cray cray to see social wellness and culture get monetized :) and I think this is a much needed replacement for night drinking / unhealthy stuff. Way to go!

Jeffrey Seely

@jeffreyseely

5 months

My yellow @best_sauna_hat keeping my head cool at @othership_us NYC opening

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