R version 2.8.0 (2008-10-20) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 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(528 109 419 7.2,516 107 409 7.1 8 7.4,502 105 397 7 7.9 7.3,506 109 397 7.1 7.7 7.2,518 117 401 7.3 7.6 7.1,534 120 413 7.2 7.5 7,528 116 413 7.2 7.4 6.9,478 87 390 7 7.4 6.9,469 84 385 6.9 7.4 6.9,490 93 397 7 7.3 6.8,493 95 398 7 7.2 6.8,508 101 406 7.1 7.2 6.8,517 105 412 7.1 7.2 6.8) Error: unexpected numeric constant in "x <- c(528 109" Execution halted