[SciPy-user] scikits.timeseries : Calculate previous 30 day and 30-60 day cumulative flows.

Pierre GM pgmdevlist@gmail....
Tue Jul 14 12:48:06 CDT 2009


On Jul 14, 2009, at 1:23 PM, Dharhas Pothina wrote:

> Hi,
>
> I have a daily timeseries called 'inflow_ts' and for each date in  
> the series I need to calculate the cumulative inflow for the  
> previous 30 days and the previous 30-60 days. From the documentation  
> I think scikits.timeseries.lib.moving_funcs.mov_sum should do what I  
> need for the first case using
>
> inflow_30 = mov_sum(inflow_ts,30)
>
> but this throws an 'AttributeError : logical_not'

Now that's a strange one. Send me more info (inflows_ts, version, ...)


> Also, how would I calculate the 30-60 day flow. I guess, I could  
> calculate the previous 60 day flow and subtract the 30 day flow. Is  
> there a better way?

Not that I see right now.



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