R version 2.8.0 (2008-10-20) 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(2.12,2.12,2.13,2.14,2.15,2.15,2.16,2.17,2.17,2.18,2.17,2.17,2.18,2.17,2.18,2.18,2.18,2.17,2.17,2.18,2.17,2.18,2.17,2.17,2.17,2.17,2.17,2.17,2.17,2.17,2.17,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.18,2.19,2.19,2.19,2.2,2.2,2.21,2.21,2.21,2.2,2.21,2.2,2.21,2.21,2.22,2.22,2.23,2.24,2.24,2.25,2.25,2.32,2.36,2.37,2.37,2.37,2.38,2.38,2.41,2.42,2.43,2.44,2.44,2.44,2.43,2.43,2.43,2.42,2.42,2.42,2.42,2.42) > par3 = 'Gemiddelde consumptieprijzen per product: alcoholhoudende dranken - wijn (euro's) ' Error: unexpected symbol in "par3 = 'Gemiddelde consumptieprijzen per product: alcoholhoudende dranken - wijn (euro's" Execution halted