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Viewing profile — agentq

agentq

HN member
Joined
Sun, May 03, 2009, 11:22 PM UTC
HN karma
59
Public activity
39 items

About agentq

Trader

Recent public activity

  1. comment
    Comment #33664790

    I researched & prototyped (in R), and ultimately put into production (C++) a core set of spectral risk analysis analytics that replaced outdated VaR and vol forecasts for an extrem…

  2. comment
    Comment #24157200

    80s.nyc has a somewhat similar street view using archival images from the 80s

  3. comment
    Comment #5000501

    Monte Carlo simulation is the most oft-cited example. This tends to be most relevant to quickly American pricing options, or anything that isn't easily done in closed-form.

  4. comment
    Comment #4999420

    -- closed 2011 Nov 28.

  5. comment
    Comment #4933624

    For anyone who doesn't want to roll their own FFT, take a look at this excellent pure C implementation: http://www.fftw.org/

  6. comment
    Comment #4879933

    I actually find base R excellent for data munging and manipulation, even without using additional packages. Here is a reproducible example that very easily accomplishes what you we…

  7. comment
    Comment #4862290

    I tried to convince the croupier that zero was an even number, but alas ...

  8. comment
    Comment #4731115

    this is pretty neat! one quick thing -- 40th and 8th ave -> grand central: suggests S grand central -> 53rd and park: suggests 6 40th and 8th -> 53rd and park: some crazy sequence …

  9. comment
    Comment #4662090

    no love for J?

  10. comment
    Comment #4638816

    they don't mention NSPR. is it dead? http://www.mozilla.org/projects/nspr/

  11. comment
    Comment #4399043

    In financial practice, asset-level PCA isn't as common, especially in systems where covariance estimation is fraught with misspecification errors. Instead, individual securities fi…

  12. comment
    Comment #2649915

    http://www.jwz.org/dadadodo/ DadaDodo is a fairly old implementation that may be of interest.

  13. comment
    Comment #2314398

    "He’s not alone in paying for the cache of being among the first to purchase apple products." cache? sigh

  14. comment
    Comment #1603485

    The first thing I'd recommend doing is find the unique entries THEN sort. Unless uniq has vastly better performance on sorted files...

  15. comment
  16. comment
    Comment #1446987

    To further goad the OP to immediately leave his current job: between junior and senior year of college, I made a bit more than the OP's yearly pay in a 12wk internship. Please, for…

  17. comment
    Comment #1445677

    Thanks, I'll check it out!

  18. comment
    Comment #1445246

    My programming background is fairly extensive in non-functional languages. I work in finance, and the company I joined uses R for a considerable amount of model prototyping. I'd re…

  19. comment
  20. comment
    Comment #1423924

    I am a quantitative analyst at a large asset management firm -- I focus on risk models and alpha-generating strategies. Though we have separate developer teams, my job requires con…

  21. comment
    Comment #1361493

    LMDDGTFY: http://lmddgtfy.com/?q=goog-411+phoneme&v=

  22. comment
    Comment #1354535

    and: http://www.newsley.com

  23. comment
    Comment #1315892

    Understood. The specific aspect of Digg that I am comparing recent trends to is that of submission of duplicate articles, and the inevitable notification thereof by other users. A …

  24. comment
    Comment #1315421

    HN is starting to feel like Digg. http://news.ycombinator.com/item?id=1160552

  25. comment
    Comment #1301907

    Even better, just hit Shift+I ...