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How to shuffle a big dataset

At Jane Street, we often work with data that has a very lowsignal-to-noise ratio, but fortunately we also have a lot of data.Where practitioners in many fiel...

26 Sep 2018

Jane Street Tech Blog

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Deep learning experiments in OCaml

Last year we held a machine learning seminar in our London office,which was an opportunity to reproduce some classical deep learningresults with a nice twist...

20 Sep 2018

Jane Street Tech Blog

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What the interns have wrought, 2018 edition

Yet again, intern season is coming to a close, and so it’s time tolook back at what the interns have achieved in their short time withus. I’m always impress...

06 Aug 2018

Jane Street Tech Blog

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Plans for OCaml 4.08

With the external release of OCaml 4.07.0 imminent, we in Jane Street’sTools & Compilers group have been planning what we want to work on forinclusion in...

29 Jun 2018

Jane Street Tech Blog

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Repeatable exploratory programming

Expect tests are a technique I’ve written aboutbefore, but until recently, it’s been alittle on the theoretical side. That’s because it’s been hard to taketh...

22 Apr 2018

Jane Street Tech Blog

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OCaml all the way down

One of the joys of working at Jane Street for the last 15 or so yearshas been seeing how our software stack has grown in scope. When Istarted, I was building...

04 Apr 2018

Jane Street Tech Blog

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Learn OCaml in NYC

Interested in learning OCaml? In the NYC area? Then this mightbe for you!

16 Feb 2018

Jane Street Tech Blog

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Proofs (and Refutations) using Z3

People often think of formal methods and theorem provers as forbiddingtools, cool in theory but with a steep learning curve that makes themhard to use in rea...

15 Feb 2018

Jane Street Tech Blog

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