Displaying 2 results from an estimated 2 matches for "nuage".
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npage
2005 Nov 01
1
function effect and standard error
Hi list!
I did the following regression:
reg1 <- glm(alti~sp + ovent + vivent + nuage, family=gaussian, data=meteo1)
I was interested in knowing the effect of the species (sp) in reg1 and so I used the function «effect»:
effect.sp <- effect ("sp", reg1, se=TRUE)
with this output:
sp
AK BW NH OS RT SS
2.730101 2.885363 2.753774 2.7...
2001 Nov 05
1
Problem to transfer Splus functions
...length(dimnames(x)[[2]]) != 0) dimnames(x)[[2]] else (
paste(nv, 1:ncol(x), sep = ""))
dimnames(x) <- list(nomi, nomv)
x
}
####################################################################################
centre <- function(x, wt = rep(1, nrow(as.matrix(x))))
{
# centre le nuage des lignes de x ponderees par wt
x <- as.matrix(x)
g <- as.vector((wt %*% x)/sum(wt))
t(t(x) - g)
}
####################################################################################
reduct <- function(x, wt = rep(1/nrow(x), nrow(x)), ctr = T)
{
# Calcul d'une matrice reduite (av...