search for: spatial2

Displaying 1 result from an estimated 1 matches for "spatial2".

Did you mean: spatial
2008 Sep 23
0
additional parameters in function called by tapply
...logy I wasn't able to find it. I have the following problem in aggregating results of a model calculation: The results are yearly values of several parameters with several hierarchical spatial factors taken from a database as a data frame with the following structure value | year | spatial1 | spatial2 | spatial3 | parameter the values are given for spatial1 units, i.e. the com spatial3 contains one or many spatial2 units, spatial2 contains one or many spatial1 units. The normal aggregation goes in a two step way: a) summation of the parameter values of the same spatial differentiaton (e.g. sums...