R version 2.7.0 (2008-04-22) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 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(103.00 100.9   101.9  ,103.30 100.9   102.1  ,101.70 100.3   102.1  ,100.90 100.3   102.1  ,101.70 101.0   101.9  ,103.20 101.7   102.6  ,106.90 102.0   102.0  ,100.20 100.0   102.3  ,100.00 100.8   101.8  ,102.20 100.7   102.1  ,102.70 100.1   101.7  ,100.70 100.6   102.5  ,100.70 101.0 102.4,102.40 101.9 103.5,-102.50 102.2 104.0,-102.00 102.0 104.9) Error: unexpected numeric constant in "x <- c(103.00 100.9" Execution halted