Displaying 2 results from an estimated 2 matches for "sigm".
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2001 Nov 05
1
Problem to transfer Splus functions
...==========================================================
x <- as.matrix(x)
wt <- wt/sum(wt) #Normalisation des poids
x <- crenom(x)
nam <- dimnames(x)
y <- centre(x, wt)
moy <- (x - y)[1, ]
names(moy) <- nam[[2]]
if(ctr)
x <- y
y <- reduct(x, wt, ctr = ctr)
sigm <- attr(y, "std")
names(sigm) <- nam[[2]] # ..si reduc=T..alors
if(reduc) x <- y
#------------------------------controle prealable: impression des
contributions (si contav=T)
if(contav) {
conta(x, d, wt)
cat("\n")
tex <- c("On continue ?", &quo...
2006 Jan 25
4
D(dnorm...)?
Can someone help me understand the following:
> D(expression(dnorm(x, mean)), "mean")
[1] 0
> sessionInfo()
R version 2.2.1, 2005-12-20, i386-pc-mingw32
attached base packages:
[1] "methods" "stats" "graphics" "grDevices" "utils" "datasets"
[7] "base"
By my computations, this should be