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1750
2012 Jul 15
4
extracting rows and columns from a big matrix
Hi there and thanks in advance.
I have a large symmetrical matrix stored in a text file. After load in R I would like to extract the same number of columns and rows (symmetrical submatrix) using their labels.
I have tried this code in order to extract columns, but R console gives me the "+" sign at the end of the code, pointing out incomplete command, so it is not working: