Hi!
First have a look at the paper:
http://zeus.elet.polimi.it/is-manet/Documenti/pap-isti-5.pdf
If you like what you see we can discuss further.
Cheers, Dragan.
--- On Sat, 10/4/08, Mico Filós <[EMAIL PROTECTED]> wrote:
> From: Mico Filós <[EMAIL PROTECTED]>
> Subject: [Pytables-users] Advice for organizing data
> To: pytables-users@lists.sourceforge.net
> Date: Saturday, October 4, 2008, 4:52 PM
> Hi,
>
> I am trying to use pytables to store simulated data. The
> data
> organizes quite stereotypically:
>
> 1. I have a set of parameters, say A, B, and C, which take
> different
> values, e.g,
>
> A = {a1, a2, a3}, B = {b1, b2}, and C = {c1,
> c2, c3, c4}
>
> 2. For each combination of values for A, B, and C, I have a
> collection
> of datasets corresponding
> to different "observations" of the same
> process:
>
> {A = a1, B = b1, C = c1: observation1,
> observation2, ...},
> {A = a2, B = b1, C = c1: observation1,
> observation2, ...}, etc.
>
> 3. Each 'observation' consists of a table, whose
> fields are 'time'
> and x1, x2, x3 ... (the different variables of the
> system).
> The number of rows of this table is not necessarily the
> same for
> all observations.
>
> I have read the documentation, but I cannot figure out the
> best way
> to organize these data.
> A first, naïve guess would be a table like this
>
> A B C data
> ---------------------------
> a1 b1 c1 Table1
> a2 b1 c1 Table2, etc
>
> where each *entry* in the field 'data' consists, in
> turn, of another
> table, with fields
>
> ntrial trajectory
> ---------------------
> 1 traj_array1
> 2 traj_array2, etc.
>
> Each entry in the the field 'trajectory' is an
> array (or, perhaps,
> another table).
> But I am not sure if this can be done.
>
> I would truly appreciate any help on this.
>
> Thanks,
>
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