R version 2.15.3 (2013-03-01) -- "Security Blanket"
Copyright (C) 2013 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
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(-2.67	-6.5,9.67	-7.33,-6	49.33,28.33	-11,12	-8.33,-11.3	9,3	2.33,-4.67	-12.3,-5	5.67,2.33	-2,37.67	1.33,7.5	-13,5	-5.67,30	-4,15.33	2)
Error: unexpected numeric constant in "x <- c(-2.67    -6.5,9.67       -7.33,-6        49.33"
Execution halted