R version 2.15.3 (2013-03-01) -- "Security Blanket" Copyright (C) 2013 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i686-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(29 -6.5,21 -7.33,50 49.33,23 -11,35 -2.67,36 -8.33,32 9,44 9.67,42 2.33,39 -12.3,20 -6,73 5.67,38 28.33,43 12,50 -2,32 -11.3,24 1.33,24 3,59 -4.67,41 -5,24 -13,44 2.33,66 37.67,40 7.5,24 5,31 -5.67,45 -4,60 30,35 15.33,39 2) Error: unexpected numeric constant in "x <- c(29 -6.5,21 -7.33,50 49.33" Execution halted