TaylorTree

Great message thread on how to convert csv files to numpy arrays.

File processing examples using numpy, scipy, and matplotlib. How to read/write a numpy array from/to ascii/binary files.

Examples of Numpy functions such as fromfile(), hsplit(), recarray(), shuffle(), sort(), split(), sqrt(), std(), tofile(), unique(), var(), vsplit(), where(), zeros(), empty(), and many more.

Could 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?