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(-6.50	-2.67,-7.33	9.67,-3.56	-6.00,-11.00	28.33,-8.33	12.00,9.00	-11.30,2.33	3.00,-12.30	-4.67,5.67	-5.00,-2.00	2.33,1.33	37.67,-13.00	7.50,-5.67	5.00,-4.00	30.00,2.00	15.33)
Error: unexpected numeric constant in "x <- c(-6.50    -2.67,-7.33     9.67"
Execution halted