[Rd] unique.matrix issue [Was: Anomaly with unique and match]

Terry Therneau therneau at mayo.edu
Thu Mar 10 20:39:56 CET 2011

Simon pointed out that the issue I observed was due to internal
behaviour of unique.matrix.

  I had looked carefully at the manual pages before posting the question
and this was not mentioned.  Perhaps an addition could be made?

Terry T.

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