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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