I coudn't install Rgobi: Details: my system: Redhat 9.0 platform i686-pc-linux-gnu arch i686 os linux-gnu system i686, linux-gnu status major 1 minor 7.0 year 2003 month 04 day 16 language R --what I did: downloaded ggobi /ggobi_0.99-10.tar.gz ./configure make to run: /usr/local/src/ggobi/bin/ggobi runs fine installed Rggobi (as recommended at http://www.ggobi.org/INSTALL.html ): as non-root: bash-2.05b$ R_HOME=/usr/lib/R bash-2.05b$ export R_HOME bash-2.05b$ GGOBI_ROOT=/usr/local/src/ggobi bash-2.05b$ export GGOBI_ROOT bash-2.05b$ R_LIBS=/usr/lib/R/library bash-2.05b$ export R_LIBS as su: ln -s $GGOBI_ROOT/lib/libggobi.so /usr/lib/ ln -s $GGOBI_ROOT/lib/libgtkext.so /usr/lib/ R CMD INSTALL Rggobi_0.53-0.tar.gz Error in "class<-"(*tmp*, value = Class) : couldn't find function "objWithClass" Warning message: package methods in options("defaultPackages") was not found Error in "class<-"(*tmp*, value = Class) : couldn't find function "objWithClass" Error in library("methods") : .First.lib failed Execution halted /usr/local/lib/R/bin/INSTALL: line 1: 11697 Broken pipe cat "${R_PACKAGE_DIR}/R/${pkg}" ERROR: execution of package source for 'Rggobi' failed -- many thanks for your help Christoph -- Christoph Lehmann <christoph.lehmann at gmx.ch>