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)

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> x <- c(2.967.613,2.912.226,3.058.950,2.532.487,2.500.824,2.624.910,2.535.058,1.560.739,1.561.043,1.372.033,2.144.662,2.453.516,2.483.219,2.449.819,2.546.321,2.071.603,2.270.251,2.175.582,1.963.164,1.616.477,1.419.932,1.621.285,1.807.933,2.221.735)
Error: unexpected numeric constant in "x <- c(2.967.613"
Execution halted