James Jarvis

[Frank Nielsen @FrnkNlsn]

Highly recommended!

🎉 Free PDF book:

"High-Dimensional Probability: An Introduction with Applications in Data Science" by R. Vershynin

with 41 very nice hand-written notes and videos and homeworks which explains most contents of the book:

👉https://t.co/bBEER1QI1n

[Tech At Bloomberg @TechAtBloomberg]

We’ve signed a multi-year #opensource tech development & product integration agreement with @ManGroup around its @ArcticDB DataFrame database. The resulting product will enable key functionality in @Bloomberg’s BQuant: high-volume timeseries #data analysis
https://t.co/rja0HnOGia

[Man Group @ManGroup]

We're delighted to have signed a multi-year open source development agreement with @Bloomberg for @ArcticDB, a high-performance Python-native database. This will be integrated into @TechAtBloomberg's BQuant environment to simplify working with terabyte-scale data structures

[Andrej Karpathy @karpathy]

🔥 New (1h56m) video lecture: "Let's build GPT: from scratch, in code, spelled out."
https://t.co/2pKsvgi3dE
We build and train a Transformer following the "Attention Is All You Need" paper in the language modeling setting and end up with the core of nanoGPT.

[Ethan Mollick @emollick]

I think I have found a favorite ChatGPT hallucination.

I asked it to provide a table of the cities in Italo Calvino’s Invisible Cities, and, after a couple of real ones, it just started making them up. I then asked the AI to provide entries on the fictional fictional cities…

[Saeed @saeedamenfx]

Great thread on backtesting errors in assets with a large number of names (eg. look ahead bias in picking your universe), inspired, I'll write about a few problems you can encounter with economic data backtesting 1/n https://t.co/aIXXYXzsGG

[cephalopodshop @macrocephalopod]

As a special advent treat I’m going to do 24 days of backtest errors — 24 different ways to mess up your backtest of a quant strategy so that you think you’re going to make money when you won’t (yes I’m starting late, what’s your point)

[Tivadar Danka @TivadarDanka]

Behold one of the mightiest tools in mathematics: the camel principle.

I am dead serious. Deep down, this tiny rule is the cog in many methods. Ones that you use every day.

Here is what it is, how it works, and why it is essential.

[Dr. Jacqueline Goldman @jagoldma]

Backstreet boys Linear Regression
🤝🏻
Tell me Y

[Joe Weisenthal @TheStalwart]

Meanwhile, stock futures still pointing to a huge surge at the the open https://t.co/CI7pf9EFF3

[James Jarvis @JamesEJarvis]

@damianlazarus @burningman Immense

[Jamie Powell @ajb_powell]

sorry but not sorry

[Blake Griffin @blakegriffin23]

i doubt that bill gates has all that money...

[James Jarvis @JamesEJarvis]

@footballtweet @ActuFoot_ PSG

[alexandra scaggs @alexandrascaggs]

presented without comment

[Stephen Wolfram @stephen_wolfram]

Surprise! Every @Raspberry_Pi will now come with Wolfram Language + Mathematica: http://t.co/x02CQ1iXrF

[Justin Wolfers @JustinWolfers]

The available colors of Crayola crayons from 1903 to present, graphed beautifully: