Displaying 1 result from an estimated 1 matches for "herpetologica".
Did you mean:
  herpetological
  
2006 Jun 30
5
Way to convert data frame to matrix
I have a text file that I have imported into R.  It contains 3 columns and
316940 rows.  The first column is vegetation plot ID, the second species
names and the third is a cover value (numeric).  I imported using the
read.table function.
My problem is this.  I need to reformat the information as a matrix, with
the first column becoming the row labels and the second the column labels
and the