Displaying 2 results from an estimated 2 matches for "spatial1".
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spatial
2007 Mar 19
1
likelihoods in SAS GENMOD vs R glm
...ors, and deviances are
identical but what we get for likelihoods differs considerably. I'm
assuming that these must differ just by some constant but it would be nice
to have some confirmation of this. I think I recall that this might have
been discussed before on this list.
> atrich01.spatial1<- glm(ATRICH ~ X_COORD_CTR + Y_COORD_CTR
,data=bigbend.rich[bigbend.rich$YEAR.==0001,],family=poisson,contrasts=list(OBSERVER="contr.sum",VISIB="contr.sum"))
> summary(atrich01.spatial1)
Call:
glm(formula = ATRICH ~ X_COORD_CTR + Y_COORD_CTR, family = poisson,
dat...
2008 Sep 23
0
additional parameters in function called by tapply
...and terminology 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 differentiato...