R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(630,720,740,720,720,690,790,760,840,840,640,840,590,770,750,590,730,740,770,660,830,900,630,770,640,700,760,500,740,740,680,580,780,990,630,780,630,780,730,490,710,700,740,520,730,1110,510,750,690,740,690,640,660,580,760,510,810,1050,510,740,690,800,670,670,640,540,740,600,860,1080,480,680,650,860,650,630,600,500,760,590,800,1120,520,710,600,880,700,590,680,530,730,600,880,1120,540,740,580,850,670,530,680,540,760,620,910,1230,530,720)
> par4 = '12'
> par3 = 'Aantal bezoekers Museum 'Het Stadsmus' afgerond op tiental'
Error: unexpected symbol in "par3 = 'Aantal bezoekers Museum 'Het"
Execution halted