R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(4.6,7.6,6.8,7.8,12.2,6.3,7.1,10.5,8.9,7.7,11.1,7.2,5.1,8.5,7.4,7.3,12.9,7.7,8.1,10.2,8.8,8.9,10.2,6.5,5.2,8.8,8.4,7.4,11.5,5.7,5.9,6.7,5.9,6.7,6.2,4.1,4.3,6.3,6,7.5,10.7,7.3,7.1,8.9,7.9,7.6,8,5.8,6.4,7.1,7.9,8,12.1,11,12.4,12.9,41.7,9.2,7.3,7.1)
> par3 = 'in miljoenen euro's'
Error: unexpected symbol in "par3 = 'in miljoenen euro's"
Execution halted