R table by matrix row

Question

For a matrix (as.matrix), how can I generate a table where rows are equal to rows of the matrix?

>table(matrix)

and

&g         


        

Answer 1

## source data
x=as.matrix(read.table(text="
   1  2  3  4 
a  5  5  4  6    
b  5  5  5  5     
c  8  7  6  6   
d  2  6  6  6     
e  7  7  5  4
"))

# result

table(rep(rownames(x),ncol(x)),c(x))

#   2 4 5 6 7 8
# a 0 1 2 1 0 0
# b 0 0 4 0 0 0
# c 0 0 0 2 1 1
# d 1 0 0 3 0 0
# e 0 1 1 0 2 0