I am getting error messages while installing R package lme4. Please advice thanks
Pramod trying URL 'http://cran.mtu.edu/src/contrib/lme4_0.999999-0.tar.gz' Content type 'application/x-gzip' length 1074142 bytes (1.0 Mb) opened URL ================================================== downloaded 1.0 Mb * installing *source* package 'lme4' ... ** package 'lme4' successfully unpacked and MD5 sums checked ** libs /share/apps/R-2.15.3/share/make/shlib.mk:6: warning: overriding commands for target `lme4.so' Makevars:7: warning: ignoring old commands for target `lme4.so' gcc -std=gnu99 -I/share/apps/R-2.15.3/include -DNDEBUG -I/usr/local/include -I"/share/apps/R-2.15.3/library/Matrix/include" -I"/share/apps/R-2.15.3/library/stats/include" -fpic -g -O2 -c init.c -o init.o gcc -std=gnu99 -I/share/apps/R-2.15.3/include -DNDEBUG -I/usr/local/include -I"/share/apps/R-2.15.3/library/Matrix/include" -I"/share/apps/R-2.15.3/library/stats/include" -fpic -g -O2 -c lmer.c -o lmer.o gcc -std=gnu99 -I/share/apps/R-2.15.3/include -DNDEBUG -I/usr/local/include -I"/share/apps/R-2.15.3/library/Matrix/include" -I"/share/apps/R-2.15.3/library/stats/include" -fpic -g -O2 -c local_stubs.c -o local_stubs.o gcc -std=gnu99 -shared -L/usr/local/lib64 -o lme4.so init.o lmer.o local_stubs.o -L/share/apps/R-2.15.3/lib -lRlapack -L/share/apps/R-2.15.3/lib -lRblas -lgfortran -lm /usr/bin/ld: cannot find -lgfortran collect2: ld returned 1 exit status make: *** [lme4.so] Error 1 ERROR: compilation failed for package 'lme4' * removing '/share/apps/R-2.15.3/library/lme4' The downloaded source packages are in '/tmp/RtmpcTIcHw/downloaded_packages' Updating HTML index of packages in '.Library' Making packages.html ... done Warning message: In install.packages("lme4") : installation of package 'lme4' had non-zero exit status [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.