R version 2.12.0 (2010-10-15)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- array(list(100,4,,9.3,50,3,4.8,100,4,8.9,100,2,6.5,50,2,4.2,80,2,6.2,75,3,7.4,65,4,6,90,3,7.6,90,2,6.1),dim=c(4,10),dimnames=list(c('Miles','Traveled','Deliveries','Travel','Time','
'),1:10))
Error in list(100, 4, , 9.3, 50, 3, 4.8, 100, 4, 8.9, 100, 2, 6.5, 50,  : 
  argument 3 is empty
Calls: array -> as.vector
Execution halted