R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows" Copyright (C) 2012 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i686-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(WJ10AFS,74,74,74,74,74,74,75,77,78,79,79,80,80,81,81,82,82,83,83,84,85,85,85,85,86,86,86,87,88,88,88,88,88,88,88,89,89,89,89,90,90,91,91,91,91,91,91,91,91,91,92,92,92,93,93,94,94,94,94,95,95,95,95,96,96,97,97,97,97,97,98,98,98,98,98,98,98,98,100,100,100,102,102,102,102,102,103,103,104,104,106,106,106,107,108,112,112,113,114,114,114,114,114,114) Error: object 'WJ10AFS' not found Execution halted