R version 2.13.0 (2011-04-13) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i486-pc-linux-gnu (32-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > x <- c(7 7 7 5,5 5 5 5,6 5 4 4,4 5 5 5,5 5 5 5,6 6 6 7,7 4 7 7,6 5 5 6,6 7 7 6,6 5 5 6,5 2 4 6,5 5 6 6,4 5 4 6,6 6 6 6,6 6 7 7,5 5 6 5,3 3 4 3,7 6 6 7,3 5 6 6,5 5 6 6,3 3 4 4,5 5 5 6,2 1 2 2,6 5 6 6,3 4 5 5,6 6 6 7,6 6 6 7,5 4 5 5,5 4 5 6,7 5 5 6,6 4 6 6,5 5 NA NA) Error: unexpected numeric constant in "x <- c(7 7" Execution halted