row.names in read.table()

Whoops.  Problem solved.  I have one extra columns of data at the end
(though I don't know why the error message did not say that, but said
about row.names!)

As help(read.table) says

     If `row.names' is not specified and the header line has one less
     entry than the number of columns, the first column is taken to be
     the row names.

This lets you have the row names as the first column of the data.

	-thomas

Thomas Lumley			Asst. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

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