  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 cover values as the matrix cell data. However, since the
read.tablefunction imported the data as an indexed data frame, I can't use
the columns
as vectors. Is there a way around this, to convert the data frame as 3
separate vectors? I have been looking all over for a function, and my
programming skills are not great.


-- 
Sk Maidul Haque
Scientific Officer-C
Applied Spectroscopy Division
Bhabha Atomic Research Centre, Vizag

Mo: 09666429050/09093458503

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