Get reverse rank orders in each column
     
    
    # S3 method for class 'matrix'
rrank(x, ...)
 
    
    Arguments
- x
- A matrix 
- ...
- Passed to - rank
 
 
    
    Value
    A matrix of the same dimension and attributes of the input matrix,
  with reverse rank orders of each column
     
    
    Examples
    testMatrix <- matrix(c(3,6,4,5,2,4,8,3,2,5,4,7), ncol=3, byrow=FALSE)
rrank(testMatrix)
#>      [,1] [,2] [,3]
#> [1,]    3    2    2
#> [2,]    6    4    5
#> [3,]    4    8    4
#> [4,]    5    3    7