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jliszka

HN member
Joined
Wed, Feb 29, 2012, 10:31 PM UTC
HN karma
495
Public activity
31 items

About jliszka

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Recent public activity

  1. comment
    Comment #13610122

    Stay tuned! We're working on improving phrase matching as we speak. As for the Control-F thing... stay tuned on that too :)

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    Comment #13606832

    Stay tuned :)

  3. comment
    Comment #13601594

    Yep. We normalize our features as part of training, and the stdevs of each feature are part of the resulting model, along with the weights. (The means are always 0 because of the w…

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    Comment #6697103

    That would be ideal, but a lot of people are uncomfortable doing that, and you would not get critical feedback as often or as reliably.

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    Comment #6607177

    You're right, it is begging the question, for any simple function, you basically have to tell it what all the derivatives are for it to work. The power of this technique is that it…

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    Comment #6607008

    Thanks! fixing...

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    Comment #6606977

    You're right, there's only O(n) information in these particular n x n matrices, so you can multiply them in O(n^2). The code provided memoizes cell values using the key (r - c), so…

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    Comment #6479952

    Thanks! What's your research on?

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    Comment #6478729

    Yeah, I failed there. The whole article started out jokey but I ended up cramming a bunch more "serious" analysis in.

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    Comment #6478694

    Really appreciate the feedback, comes with the territory :) I added an update to the article looking at what happens when you vary the average car length (corresponding to the % of…

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    Comment #6478677

    FWIW I tried this out, seeing what happens when there are varying average car lengths on the road. http://jliszka.github.io/assets/img/traffic/speed-vs-occupan... http://localhost:…

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    Comment #6478412

    > You can see on the right side how his "cars per second" is _exactly the same_ than on the left side. Yes, but there are way more cars on the left side. That is the difference. Oc…

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    Comment #6477789

    OP here. That's a really good point. I just think the original article overreached in saying that zipper merging is a "simple cure" for traffic jams, without taking into account th…