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(190 140,80 100,80 100,75 70,50 25,40 20,30 10,20 0,20 -10,10 -10,10 -25,10 -25,0 -25,0 -30,-10 -30,-25 -30,-30 -45,-45 -45,-60 -45,-85 -50,NA -50,NA -50,NA -60,NA -75,NA -75,NA -85,NA -85,NA -100,NA -110,NA -130,NA -130,NA -155,NA -155,NA -180,NA -240,NA -290) Error: unexpected numeric constant in "x <- c(190 140" Execution halted