Recent Links for 09/21/2007
Friday, September 21, 2007
Newbie - converting csv files to arrays in NumPyGreat message thread on how to convert csv files to numpy arrays. |
Cookbook/InputOutput - Numpy and ScipyFile processing examples using numpy, scipy, and matplotlib. How to read/write a numpy array from/to ascii/binary files. |
Numpy Example ListExamples of Numpy functions such as fromfile(), hsplit(), recarray(), shuffle(), sort(), split(), sqrt(), std(), tofile(), unique(), var(), vsplit(), where(), zeros(), empty(), and many more. |
Introducing Plists: An Erlang module for doing list operations in parallelCould you spawn a trading system process for each stock of a given day's trading (a list)? What if you had 20,000 stocks for a given day? Can plists/erlang handle 20,000 processes without hitting memory constraints? |
Labels: erlang, links, numpy, python
Recent Links for 09/19/2007
Wednesday, September 19, 2007
130/30 Strategy BacktestedDisagree with comparison of 130/30 to non-leveraged benchmark/strategy. Also, the additional longs didn't improve the long portion of the 130/30 returns compared to the long-only strategy returns. Am I missing something? |
Recent Links for 09/17/2007
Monday, September 17, 2007
Labels: investing, links, numpy, python
Recent Links for 09/15/2007
Sunday, September 16, 2007
Links for 2007-09-15 [del.icio.us]
Posted: 16 Sep 2007 12:00 AM CDT
- Practical Common Lisp
Excellent way to get started with Common Lisp. - 9 Things You Simply Must Do
Friend of mine sent me this great post on Dr. Cloud's 9 principles commonly practiced by successful people. My favorites? - Principle #2: Pull the Tooth - face your fears...don't put off today what you can do today.
- Principle #4: Do Something
- ONLamp.com -- An Introduction to Erlang
Great coverage of the Erlang language. - Python Cheat Sheet
Simple little python cheat sheet.
Labels: erlang, links, lisp, python, success
