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@a-a-4548
Last seen 11.2 years ago
Dear Sir/Madam,
I have a data.frame file
x y z
1 1 1
2 2 3
I want to convert x to matrix's row header, y to matrix's column
header, and z as the intersect cells of x and y.
Are there any R module can be used to do this?
Best regards,
Catherine
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