Displaying 2 results from an estimated 2 matches for "lexico".
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mexico
2003 Jul 18
3
lexicographic sort of ordered lists
Does anyone know how to execute the following sort problem in R? Matrix X
has positive integer entries, and each column has been sorted in ascending
order. The problem is now to order the columns lexicographically. For
instance if the matrix X is
1 2 1 1 2
2 2 3 3 2
3 5 5 4 2
then the result should be
1 1 1 2 2
2 3 3 2 2
3 4 5 2 5
Let ONE be a vector of 1's of length ncol(X). The result in this example can
be accomplished by
X=X[,order(ONE,X[1,],X[,2],X[,3])]
but I...
2003 Aug 28
0
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