R version 3.0.2 (2013-09-25) -- "Frisbee Sailing" Copyright (C) 2013 The R Foundation for Statistical Computing Platform: x86_64-pc-linux-gnu (64-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. > y <- c(411.31,490.85,616.53,562.26,732.01,860.84,958.16,1.023.58,1.089.45,1.205.26,1.332.25,1.461.91,1.649.93,1.941.75,2.269.32,2.730.33,3.524.72,4.560.79,5.059.72,6.040.37,7.495.56) Error: unexpected numeric constant in "y <- c(411.31,490.85,616.53,562.26,732.01,860.84,958.16,1.023.58" Execution halted