Our data is structured as follows:

dimensions:
    sites = 3;
    sowing = 3;
    water = 3;
    genotype = 3;
variables:
    float yield(sites, sowing, water, genotype);

We would like to apply a method (e.g. mean) to any combinations of dimensions. For this data set, we will store mean yields for

1. all 81 yields: *1* value.
2. average for three dimensions, sites, sowing, water and genotype: *12
   *values.
3. average for two dimensions, sites and sowing, sites and water, sites
   and genotype, sowing and water, sowing and genotype, water and
   genotype: *54 *values
4. average for one dimension: *324* values.

Do some conventions already designed? Or do we need to design some new conventions? Any suggestions are welcome.

Best regards,
Bangyou

--
*Dr. Bangyou ZHENG*

Postdoctoral Research Fellow
CSIRO Plant Industry
Queensland Bioscience Precinct
306 Carmody Rd
St Lucia, QLD, 4067, AUSTRALIA
Tel: +61 (0)7 3214 2620
Fax: +61 (0)7 3214 2920
Email: [email protected]
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