bgimpert

bgimpert on Hacker News

Twitter Prediction Model Cooked

Posted by bgimpert on Tuesday May 17, 2011 @11:19AM
from the blog.someben.com dept.

http://blog.someben.com/2011/05/sour-grapes-seven-reasons-why-that-twitter-prediction-model-is-cooked/

Seven reasons the Derwent Capital Twitter prediction model is cooked.

( Read More... | no comments | 2 points | on HN )

Re:Ask HN: Review QuoteSentinel, personalized stock price notifications on Friday August 13, 2010 @10:28AM (#1600976)

Umm, stop orders?

Re:The Top 5 Movies About Hacking? on Thursday August 05, 2010 @11:47AM (#1578388)

WarGames, Sneakers, The Matrix, Tron, Disclosure.

Algotrading Mythbusting

Posted by bgimpert on Wednesday February 17, 2010 @12:55PM
from the onlineinvestingai.com dept.

http://www.onlineinvestingai.com/blog/2010/02/16/expert-profiles-ben-gimpert-discusses-algorithmic-trading/

( Read More... | 1 comment | 5 points | on HN )

Re:Ask HN: What is the best university in Europe for MS in Computer Sc... on Tuesday July 14, 2009 @07:17AM (#703460)

Imperial and Cambridge, in that order.

Re:Ask HN: Do you have any code or projects of your own you would like... on Thursday April 30, 2009 @06:07AM (#586618)

Back-testing a support vector machine -based text classification system that models daily stock news, looking for mispriced volatility. A big stealth project, with just the Ruby option pricer here:

http://tinyurl.com/chmk7p

Need much more realism than Black-Scholes for the model training!