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reiser
2012 Jun 28
2
Aggregate weights for a unique set of rows
...gth(n.unique[,1]))
lw <- length(weights)
for (i in seq_along(w.unique)){
index <- as.logical(2==rowSums(nodes==matrix(rep(n.unique[i,],lw),byrow
= TRUE, nrow=lw)))
w.unique[i] <- sum(weights[index])
}
##
n.unique
w.unique
^
| X
| /
| /eiser, Constantin
| / Gutenberg University of Mainz, Germany
| * /\ / Chair of Statistics & Econometrics
| \ / \ / Jakob-Welder-Weg 4, 55128 Mainz
| \/ \/ House of Law and Economics II, Room 00-116
| Tel: 0049 6131 39 22715
+-----------------------------...
2008 Apr 29
1
behaviour of .Fortran in terms of "double precision" and "real" datatype
Hello R-world!
This is my first post to the R list, so I feel that I need to say thanks to
the community (I'm using R now for 5 months)!
I'd greatly appreciate if somebody could explain some odd behavior of
".Fortran" to me. Let's assume a primitive Fortran subroutine
barfoo.f
----------------------------
subroutine bar(y, v)
double precision y
real v