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lng_cs99_renosterbos
2006 Sep 20
4
Calculating mean together with split
Hi
I have a table called npl containing results of simulations.
It contains about 19000 entries and the structure looks like this:
NoPlants sim run year DensPlants
1 6 lng_cs99_renosterbos 1 4 0.00192
.
.
.
it has 43 different entries for sim and year goes from 1 to 100, and run
from 1 to 5.
I would like to calculate the mean of DensPlants for each simulation and
each year seperately, i.e. calculating the mean for all combinations of
sim and year over run.
I can use...