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(68.95 70.18,70.84 69.94,70.26 69.61,70.93 71.39,70.71 72.54,70.73 70.48,70.20 70.48,69.76 71.68,71.46 70.59,70.31 71.61,69.24 70.56,70.94 72.74,68.98 72.63,71.16 71.58,69.96 70.14,69.66 71.22,70.20 70.72,69.99 71.37,71.97 69.73,68.29 71.29,67.67 73.19,70.07 70.64,70.89 69.30,69.66 71.76,71.12 70.28,70.60 69.77,70.09 70.37,70.55 71.70,71.63 70.85,69.30 71.07) Error: unexpected numeric constant in "x <- c(68.95 70.18" Execution halted