R version 2.9.0 (2009-04-17) Copyright (C) 2009 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 <- array(list(17.60 + ,36.33 + ,37.93 + ,41.87 + ,47.20 + ,51.53 + ,52.33 + ,52.67 + ,53.87 + ,54.20 + ,54.73 + ,55.00 + ,55.07 + ,55.47 + ,55.93 + ,56.20 + ,56.33 + ,56.67 + ,57.13 + ,57.47 + ,57.47 + ,57.67 + ,57.67 + ,57.80 + ,57.87 + ,58.07 + ,58.20 + ,58.27 + ,58.27 + ,58.33 + ,58.40 + ,58.80 + ,58.80 + ,58.93 + ,59.00 + ,59.13 + ,59.13 + ,59.40 + ,59.47 + ,59.53 + ,59.53 + ,59.53 + ,59.60 + ,59.67 + ,59.67 + ,59.73 + ,59.73 + ,59.73 + ,59.80 + ,59.80 + ,59.87 + ,60.13 + ,60.13 + ,60.13 + ,60.33 + ,60.40 + ,60.47 + ,60.73 + ,60.80 + ,60.87 + ,61.00 + ,61.00 + ,61.27 + ,61.27 + ,61.33 + ,61.40 + ,61.40 + ,61.47 + ,61.47 + ,61.60 + ,61.60 + ,61.60 + ,61.67 + ,61.80 + ,61.87 + ,61.93 + ,61.93 + ,61.93 + ,62.00 + ,62.13 + ,62.20 + ,62.40 + ,62.40 + ,62.40 + ,62.40 + ,62.40 + ,62.53 + ,62.60 + ,62.60 + ,62.60 + ,62.60 + ,62.67 + ,62.67 + ,62.80 + ,62.80 + ,62.80 + ,62.87 + ,62.87 + ,62.93 + ,62.93 + ,63.00 + ,63.00 + ,63.07 + ,63.13 + ,63.20 + ,63.27 + ,63.33 + ,63.33 + ,63.47 + ,63.53 + ,63.53 + ,63.53 + ,63.60 + ,63.67 + ,63.67 + ,63.67 + ,63.73 + ,63.73 + ,63.73 + ,63.87 + ,64.00 + ,64.07 + ,64.07 + ,64.07 + ,64.13 + ,64.20 + ,64.20 + ,64.27 + ,64.27 + ,64.40 + ,64.47 + ,64.60 + ,64.60 + ,64.67 + ,64.67 + ,64.67 + ,64.67 + ,64.67 + ,64.67 + ,64.67 + ,64.67 + ,64.73 + ,64.80 + ,64.87 + ,65.00 + ,65.00 + ,65.07 + ,65.07 + ,65.20 + ,65.47 + ,65.47 + ,65.60 + ,65.67 + ,65.67 + ,65.80 + ,65.80 + ,65.80 + ,65.93 + ,66.00 + ,66.00 + ,66.00 + ,66.00 + ,66.00 + ,66.00 + ,66.00 + ,66.07 + ,66.20 + ,66.20 + ,66.27 + ,66.27 + ,66.47 + ,66.53 + ,66.53 + ,66.53 + ,66.60 + ,66.73 + ,66.73 + ,66.73 + ,66.73 + ,66.80 + ,66.87 + ,66.93 + ,67.07 + ,67.13 + ,67.33 + ,67.47 + ,67.47 + ,67.53 + ,67.60 + ,67.60 + ,67.80 + ,68.07 + ,68.60 + ,68.67 + ,68.67 + ,68.73 + ,68.80 + ,68.80 + ,68.87 + ,69.53 + ,69.60 + ,69.60 + ,69.87 + ,69.93 + ,70.07 + ,70.07 + ,70.47 + ,70.67 + ,70.67 + ,70.73 + ,70.73 + ,70.73 + ,70.73 + ,70.80 + ,70.80 + ,71.07 + ,71.47 + ,71.53 + ,71.67 + ,71.67 + ,72.07 + ,72.73 + ,72.73 + ,72.87 + ,73.00) + ,dim=c(1 + ,225) + ,dimnames=list(c('PMent' + ,'Exam') + ,1:225)) Error in dimnames(data) <- dimnames : length of 'dimnames' [1] not equal to array extent Calls: array Execution halted