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(Weightloss,1.1,1.8,5.2,3.5,3.9,-1.0,0.1,2.4,0.4,3.7,7.2,-0.4,8.4,5.9,1.4,8.0,0.0,2.8,8.2,0.9,0.6,5.0,5.9,-1.0,1.6,3.2,0.5,2.6,-2.7,5.8,2.8,1.3,5.0,1.6,3.4,9.6,7.4) Error: object "Weightloss" not found Execution halted