R version 3.0.2 (2013-09-25) -- "Frisbee Sailing" Copyright (C) 2013 The R Foundation for Statistical Computing Platform: i686-pc-linux-gnu (32-bit) 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(85,82,92.4,100.3,105.2,104.5,105.1,105,106.5,106,99.4,107.4,89.6,85.3,96.3,107.7,112.7,110.1,110.4,111.6,113.3,109,106.5,113,95.6,93.8,106.4,116.6,119.1,120.9,117.3,117.6,115.3,112.3,107.7,113.4,94.3,97.8,106.6,113,122.4,114.6,115,118.7,110.4,111.6,105.1,107.5,92.9,91,100.2,112.2,116.5,111.2,113.3,112.2,102.2,105.3,96,101.3,86.2,84.4,93.4,104.8,106.2,101.9,105.5,106.4,103.9,108.6,96.4,102.2,90.3,88.5,100.2,111.6,111.5,112.9,110.7,105.5,110.7,108.9,101.3,109.6,94.4,91.4,105.8,112.9,116.1,113.7,112.9,110.7,114.3,109.7,105.7,114) > par4 = '12' > par3 = 'Omzetontwikkeling restaurants' > par2 = 'CBS Statline' > par1 = 'Omzetontwikkeling restaurants' > ylimmax = '' > ylimmin = '' > ylab = 'Index' > xlab = '01/'95-12/'12' Error: unexpected numeric constant in "xlab = '01/'95" Execution halted