[SciPy-User] Proposal for a new data analysis toolbox

Sebastian Haase seb.haase@gmail....
Wed Nov 24 15:30:06 CST 2010


On Wed, Nov 24, 2010 at 8:57 PM, Keith Goodman <kwgoodman@gmail.com> wrote:
> On Wed, Nov 24, 2010 at 11:32 AM, Sebastian Haase <seb.haase@gmail.com> wrote:
>> On Wed, Nov 24, 2010 at 8:05 PM, Keith Goodman <kwgoodman@gmail.com> wrote:
>>> Brief Sphinx doc of whatever it's called can be found here:
>>> http://berkeleyanalytics.com/dsna
>>
>> I would like to throw in one of my favorite functions that I
>> implemented years ago using (templated) SWIG:
>>
>> mmms()  calculates min,max,mean and standard deviation in one run.
>> While - by using SWIG function templates - it can handle multiple
>> dtypes efficiently (without data copy) I never even attempted to
>> handle striding or axes...
>> Similiarly mmm()  ( that is minmaxmean() ) might be also good to have,
>> if one really needs to not waste the (little?!) extra time of
>> compiling the sum of the squares (for the std.dev).
>>
>> I you added this kind of function to the new toolbox, I would be happy
>> to benchmark it against my venerable (simpler) SWIG version...
>
> What are your timings compared to say mean_1d_float64_axis0(arr)?

Sorry, I don't have Cygwin set up yet -- I would need binaries. I have
a  win32, a win64, lin32 and lin64 platform, I could use to test...
(iow, no mac)
-Sebastian


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