[SciPy-user] moving average, moving standard deviation, etc...

Stefan van der Walt stefan at sun.ac.za
Sun Dec 24 13:01:50 CST 2006


Hi Matt

On Sun, Dec 24, 2006 at 04:23:08PM +0000, Matt Knox wrote:
> Ok, thanks. So it sounds like there is no easy way to do this generally without 
> doing some looping in python (for the standard deviation anyway), or writing 
> some C code. I'm more interested in the general strategy for doing these kinds 
> of calculations than these specific examples themselves necessarily. Although 
> they are useful for making pretty charts sometimes.

Like someone mentioned earlier, you can do averaging using
numpy.convolve.  For the rest, C code may be the easiest option -- and
with ctypes it's a breeze.

Take a look at Albert's page,

http://www.scipy.org/Cookbook/Ctypes2

and let me know if you need further examples.

Cheers
Stéfan


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