R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(100,99.93,100.89,101.61,107.26,109.16,106.62,103.56,102.64,104.71,105.95,107.59,107.72,108.29,107.38,109.85,114.94,118.38,117.76,115.87,114.03,114.36,125.35,125.35,122.21,122.16,119.34,122.70,128.63,132.16,127.14,125.11,123.70,121.88,123.10,122.37,122.52,124.67,127.33,129.43,133.76,135.29,126.37,121.33,121.32,113.43,120.76,118.63,122.22,121.04,122.52,123.02,128.80,126.41,119.65,117.56,119.35,116.78,120.19,114.26)
> x <- c(100,84.21,89.47,105.26,131.58,126.32,121.05,121.05,110.53,126.32,115.79,126.32,100.00,110.53,110.53,110.53,105.26,110.53,115.79,115.79,136.84,131.58,121.05,115.79,126.32,121.05,115.79,131.58,131.58,131.58,126.32,121.05,89.47,84.21,100.00,100.00,94.74,94.74,100.00,100.00,100.00,100.00,94.74,89.47,110.53,136.84,163.16,163.16,168.42,173.68,189.47,173.68,194.74,210.53,210.53,200.00,189.47,168.42,110.53,84.21)
> par5 = 'deposito's'
Error: unexpected symbol in "par5 = 'deposito's"
Execution halted