In addition, I tried Data1<-read.table("/Users/kama/Analysis/GDP10.csv", sep="\t", fill=TRUE)
the result: *** caught segfault *** address 0xd0000020, cause 'memory not mapped' Possible actions: 1: abort (with core dump, if enabled) 2: normal R exit 3: exit R without saving workspace 4: exit R saving workspace -- View this message in context: http://r.789695.n4.nabble.com/Warning-message-In-scan-file-what-nmax-tp4651689p4651712.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.