Nothing
sp1 <-
function(data,ql.fact=NULL, qt.fact=NULL, weight=FALSE, graft=FALSE,
level.max=5, min.parent=10, min.child=5, rtwo.min=0.001)
{
ponderer<-weight
greffer<-graft
nv.max<-level.max
min.pere<-min.parent
min.fils<-min.child
var.exp.min<-rtwo.min
vql<-ql.fact
vqt<-qt.fact
colnames(data)[1:4] <- c("loc", "x", "y", "z")
n <- nrow(data)
rownames(data) <- 1:n
data.sp <- prep.data.sp(data)
perm <- calculer.pentes(data, data.sp)
bord <- prep.bord(data)
if (length(vqt) > 1)
{
ordre.vqt <- apply(data[,vqt], MARGIN=2, order)
}
else
{
if (length(vqt) == 1)
{
ordre.vqt <- order(data[,vqt])
}
else
{
ordre.vqt <- NULL
}
}
res <- creer.noeud(data, data.sp, perm, vql, vqt, ordre.vqt, bord,
n, 1, 1,
ponderer, greffer,
nv.max, min.pere, min.fils, var.exp.min)
if (class(res$noeud) == "f.spodt")
{
warning("Root is a leaf")
}
arbre <- new("spodt")
arbre@racine <- res$noeud
arbre@partition <- res$part
res <- classe.adj(res$bord)
arbre@adj <- res$adj
arbre@brd <- as.matrix(res$bord)
if (greffer)
{
if (is.numeric(greffer))
{
var.exp.min <- greffer
}
bord <- transformer.bord(res$bord)
res <- realiser.greffe(data, bord, arbre@partition, ponderer, var.exp.min, arbre@adj)
if (! is.null(res$bord)){
arbre@brd <- as.matrix(res$bord)
}
if (!res$grf)
{
arbre@R2 <- R2.global(data$z, arbre@partition)
return(arbre)
}
arbre@adj <- unlist(res$adj)
arbre@R2 <- R2.global(data$z, arbre@partition)
cl.grf <- matrix(as.integer(res$cl.grf ), ncol=3)
dimnames(cl.grf) <- list(1:nrow(cl.grf), c("c1", "c2", "union(c1,c2)"))
arbre@cl.grf <- cl.grf
sgmts.grf <- matrix(res$sgmts.grf, ncol=4)
dimnames(sgmts.grf) <- list(1:nrow(sgmts.grf), c("X1", "Y1", "X2", "Y2"))
arbre@sgmts.grf <- sgmts.grf
arbre@partition <- unlist(res$part)
arbre@R2 <- R2.global(data$z, arbre@partition)
}
return(arbre)
}
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