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# ====================================================================
# R in a Nutshell (1. Aufl., Dez. 2010)
# Kapitel 04 -- R-Pakete
# ***  R-Code  ***
# 
# Zeichenkodierung: UTF-8
# Schnappschuss   : 2011-01-25 20:11:53 h
# angelegt von    : Jörg Beyer
# ====================================================================

getOption("defaultPackages")



# --------------------------------------------------------------------

(.packages())



# --------------------------------------------------------------------

(.packages(all.available = TRUE))



# --------------------------------------------------------------------

# Versuch, rpart aufzurufen, bevor das Paket geladen wurde
fit <- rpart(Kyphosis ~ Age + Number + Start, data = kyphosis)



# --------------------------------------------------------------------

library(rpart)



# --------------------------------------------------------------------

install.packages(c("tree", "maptree"))



# --------------------------------------------------------------------

remove.packages(c("tree", "maptree"), lib = .Library)



# --------------------------------------------------------------------

package.skeleton(name = "nutshellDE", path = "~/Desktop")



# ====================================================================