R version 2.15.2 (2012-10-26) -- "Trick or Treat"
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

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> x <- array(list(30.22,25.3,20.64,19.91,30.25,25.33,20.67,19.94,30.51,25.51,20.78,20.01,31.06,25.88,21.04,20.23,31.39,26.06,21.01,20.11,31.43,26.1,20.97,20.07,31.26,25.83,20.69,19.78,31.28,25.86,20.7,19.79,31.49,25.99,20.84,19.91,31.48,25.99,20.84,19.91,31.57,26.09,20.95,20.02,31.58,26.13,20.98,20.05,31.67,26.23,21.07,20.14),dim=c(4,13),dimnames=list(c('max.','600','kw','max.','1200','kw','max.','3500','kw','max.','7500','kw'),1:13))
Error in array(list(30.22, 25.3, 20.64, 19.91, 30.25, 25.33, 20.67, 19.94,  : 
  length of 'dimnames' [1] not equal to array extent
Execution halted