inverting a table

?t  # I knew it worked with matrices so seemed reasonable to see if it  
worked on tables.

 > t(with(warpbreaks, table(wool, tension)) )
        wool
tension A B
       L 9 9
       M 9 9
       H 9 9
 > with(warpbreaks, table(wool, tension))
     tension
wool L M H
    A 9 9 9
    B 9 9 9

Is there an easy way to invert a table?  (not to solve for the  
inverted
matrix, just swap rows for columns & vice versa).  I've gone through  
my data
manipulation bible (Phil Spector's book), but to no avail.

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David Winsemius, MD
Heritage Laboratories
West Hartford, CT