I am not entirely sure what is going on. I am sure that I am missing something. maptools won't detach... Thanks for all of your help. R 2.11.1 OS Ubuntu 10.04 R --vanilla install.packages("sp", dep=TRUE) Loading required package: reshape Loading required package: plyr Loading required package: grid Loading required package: proto This is vegan 1.17-3 Loading required package: zoo Loading required package: stats Loading required package: chron Loading required package: maptools Loading required package: foreign Loading required package: sp Loading required package: lattice Note: polygon geometry computations in maptools depend on the package gpclib, which has a restricted licence. It is disabled by default; to enable gpclib, type gpclibPermit() Checking rgeos availability as gpclib substitute: FALSE General Polygon Clipper Library for R (version 1.5-1) Type 'class ? gpc.poly' for help [1] TRUE * installing *source* package ?sp? ... ** libs gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c Rcentroid.c -o Rcentroid.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c gcdist.c -o gcdist.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c init.c -o init.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c pip.c -o pip.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c pip2.c -o pip2.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c sp_xports.c -o sp_xports.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c surfaceArea.c -o surfaceArea.o gcc -std=gnu99 -I/usr/share/R/include -fpic -g -O2 -c zerodist.c -o zerodist.o gcc -std=gnu99 -shared -o sp.so Rcentroid.o gcdist.o init.o pip.o pip2.o sp_xports.o surfaceArea.o zerodist.o -L/usr/lib64/R/lib -lR installing to /home/ssefick/R/x86_64-pc-linux-gnu-library/2.11/sp/libs ** R ** data ** demo ** inst ** preparing package for lazy loading Error: package ?sp? is required by ?maptools? so will not be detached * removing ?/home/ssefick/R/x86_64-pc-linux-gnu-library/2.11/sp? * restoring previous ?/home/ssefick/R/x86_64-pc-linux-gnu-library/2.11/sp? The downloaded packages are in ?/tmp/Rtmp3UTqA6/downloaded_packages? Warning message: In install.packages("sp", dep = TRUE) : installation of package 'sp' had non-zero exit status -- Stephen Sefick ____________________________________ | Auburn University | | Department of Biological Sciences | | 331 Funchess Hall | | Auburn, Alabama | | 36849 | |___________________________________| | sas0025 at auburn.edu | | http://www.auburn.edu/~sas0025 | |___________________________________| Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis