R version 2.7.2 (2008-08-25) 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(7.2,6.7,10.4,12.1,9,9.8,9.5,10.7,16.9,12.2,18.8,19.9,14.9,22.7,17.5,25,26.8,23.9,35.3,37.5,54.2,24.8,54.8,49,43.5,40.1,39.4,42.3,29.2,48.6,38.9,43.4,40.8,94.6,47.7,34.8,43.4,43.3,41.8,52.3,32.3,65.1,44.8,45.3,55.6,50,44.9,40.6,39.6,38.9,55.3,35.1,27.2,52.4,54.8,39.7,45.8,30.6,32.1,21.5) > par3 = 'in miljoenen euro's' Error: unexpected symbol in "par3 = 'in miljoenen euro's" Execution halted