R version 2.9.0 (2009-04-17) Copyright (C) 2009 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(127.87,127.94,122.44,120.25,118.13,114.93,112.57,110.81,109.02,106.39,103.75,102.60,101.63,100.00,97.98,96.56,94.32,91.79,89.61,86.83,83.94,81.41,80.47,79.24,78.23,74.60,70.14,65.15,59.92,55.67,52.20,49.97,47.83,44.66,40.91,36.28,32.20,30.10,28.55,27.36,26.33,25.38,24.69,24.01,23.05,22.15,21.26,20.81,20.52,20.32,20.26,20.02,19.76,19.15,18.63,18.73,18.48,18.53,18.37,16.80,16.94,17.21,15.26,14.99,15.80,-,-,-,-,-,4.71,4.65,4.50) Error: unexpected ',' in "7,79.24,78.23,74.60,70.14,65.15,59.92,55.67,52.20,49.97,47.83,44.66,40.91,36.28,32.20,30.10,28.55,27.36,26.33,25.38,24.69,24.01,23.05,22.15,21.26,20.81,20.52,20.32,20.26,20.02,19.76,19.15,18.6" Execution halted