R version 3.2.3 (2015-12-10) -- "Wooden Christmas-Tree"
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> y <- c(17.776.12,17.712.66,18.127.65,17.749.31,17.856.78,18.132.70,18.140.44,18.019.35,17.824.29,17.164.95,17.672.60,17.511.57,17.737.37,17.832.99,18.053.71,17.804.80,17.280.83,17.958.79,17.828.24,17.810.06,17.634.74,17.573.93,17.390.52,16.805.41,16.380.41,16.544.10,17.009.69,17.113.15,17.279.74,16.987.51,17.137.36,17.098.45,17.001.22,16.662.91,16.553.93,16.493.37,16.960.57,17.100.18,16.943.81,17.068.26,16.851.84,16.947.08,16.775.74,16.924.28,16.717.17,16.606.27,16.491.31,16.583.34,16.512.89,16.361.46,16.408.54,16.026.75,16.412.71)
Error: unexpected numeric constant in "y <- c(17.776.12"
Execution halted