The matrices are bound together using their column names or the column
indices (in that order of precedence.) Numeric columns may be converted to
character beforehand, e.g. using format. If a matrix doesn't have
colnames, the column number is used. Note that this means that a
column with name
"1" is merged with the first column of a matrix
without name and so on. The returned matrix will always have column names.
the matrices to rbind. The first argument can be a list of matrices, in which case all other arguments are ignored.
Vectors are converted to 1-column matrices.
Matrices of factors are not supported. (They are anyways quite inconvenient.) You may convert them first to either numeric or character matrices. If a matrices of different types are merged, then normal covnersion precendence will apply.
Row names are ignored.
a matrix with column names
Other binding functions:
1 2 3 4 5 6 7 8 9 10 11
A <- matrix (1:4, 2) B <- matrix (6:11, 2) A B rbind.fill.matrix (A, B) colnames (A) <- c (3, 1) A rbind.fill.matrix (A, B) rbind.fill.matrix (A, 99)
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