R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> y <- c(4.6,5.6,4,5,4.4,6,4,4.4,4.6,4,4.8,5.333333333,4.4,5.2,5.2,4,5.2,4.8,4,4.4,5.6,6,4.8,4.2,4,2.8,4.8,4.2,4.8,5.2,4.6,4.4,4,3.6,4.6,4,2.2,4,5.6,3.6,4,5.4,5,4.4,4.6,3.8,4.25,4.6,5.2,4,4.2,4.2,4.6,5.6,5.4,4,3.6,4.4,4.6,4.4,4,5,4.8,4,4.6,4,5,4.2,4.8,6.8,4,4.2,5,5,4.6,4.8,5,4.2,4,4,3.8,4.6,4,4.2,5.6,4,5.6,3.8,5,5.4,5,4.4,4.4,4,5.4,2.2)
> x <- c(compmemomean,4.8,5.4,6,6,4,6,4.2,4.2,4.2,4,4.6,5.666666667,3.8,4.8,4.2,4,5.4,4.6,4,4.4,5,5.4,5.2,4.4,4,3.4,4.4,4,4.4,4.4,4,4.8,4,4,5,4,3.4,4,5.4,4.2,4,5.6,4.8,4.4,4.6,4,5.2,4.8,4.6,4,4.2,4.6,4.4,5,5,4,3.8,5.2,4.2,4.4,4.2,6,4.8,4,4.4,4,4.8,4.8,5.6,6,4,4.2,5,4.4,4.2,4.6,4.4,4,4,4,4.2,4,5,4.2,5.4,4,6,3.8,5,4.4,5,4.4,5,4.2,4.6,5)
Error: object 'compmemomean' not found
Execution halted