You can make make a factor with a common set of levels out of each slice of
the matrix so all the tables are the same size:
f <- function (charMatrix, levels = unique(sort(as.vector(charMatrix
{
apply(charMatrix, 1, function(x) table(factor(x, levels = levels)))
}
used as
> m <- cbind(c("A
On Jul 10, 2014, at 12:03 PM, Jonathan Greenberg wrote:
> R-helpers:
>
> I'm trying to determine the frequency of characters for a matrix
> applied to a single dimension, and generate a matrix as an output.
> I've come up with a solution, but it appears inelegant -- I was
> wondering if there i
2 matches
Mail list logo
