R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(108.7,102.8,83.4,79.4,77.8,85.7,83.2,82,86.9,95.7,97.9,89.3,91.5,86.8,91,93.8,96.8,95.7,91.4,88.7,88.2,87.7,89.5,95.6,100.5,106.3,112,117.7,125,132.4,138.1,134.7,136.7,134.3,131.6,129.8,131.9,129.8,119.4,116.7,112.8,116,117.5,118.8,118.7,116.3,115.2,131.7,133.7,132.5,126.9,122.2,120.2,117.9,117.2,116.4,112.3,113.6,114.2,108,102.8,102.8,101.6,100.3,101.7,99.8,108.2,116,119.1,118.4,112.9,103.8,101.8)
> par4 = '12'
> par3 = ''
> par2 = ''
> par1 = 'Totaal Prijsindex van Levensmiddelen'
> ylimmax = ''
> ylimmin = ''
> ylab = 'gemiddelde prijs in eur.'
> xlab = 'maand (08/'08-08/'14)'
Error: unexpected numeric constant in "xlab = 'maand (08/'08"
Execution halted