R version 2.12.0 (2010-10-15)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-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(19.685.6,19.601.7,16.006.9,17.681.2,19.790.4,17.014.2,17.424.5,18.908.9,15.692.1,15.160.0,15.794.3  ,16.032.1  ,16.065.0  ,16.236.8  ,12.521.0  ,14.762.1  ,15.446.9  ,13.635.0  ,14.212.6  ,15.021.7  ,14.134.3  ,13.721.4  ,14.384.5  ,15.638.6  ,19.711.6  ,20.359.8  ,16.141.4  ,20.056.9  ,20.605.5  ,19.325.8  ,20.547.7  ,19.211.2  ,19.009.5  ,18.746.8  ,16.471.5  ,18.957.2  ,20.515.2  ,18.374.4  ,16.192.9  ,18.147.5  ,19.301.4  ,18.344.7  ,17.183.6  ,19.630.0  ,17.167.2  ,17.428.5  ,16.016.5  ,18.466.5  ,18.406.6  ,18.174.1  ,14.851.9  ,16.260.7  ,18.329.6  ,18.003.8  ,15.903.8  ,19.554.2  ,16.554.2  ,16.198.9  ,16.571.8  ,17.535.2  ,16.198.1  )
Error: unexpected numeric constant in "x <- c(19.685.6"
Execution halted