[R] Base function for flipping matrices

[Hans W Borchers]

Hadley Wickham <hadley <at> rice.edu> writes:

> 

See functions flipud(), fliplr() in package 'matlab' (or 'pracma').
Those are the names of corresponding functions in MATLAB.

Hans Werner


> Hi all,
> 
> Are there base functions that do the equivalent of this?
> 
> fliptb <- function(x) x[nrow(x):1, ]
> fliplr <- function(x) x[, nrow(x):1]
> 
> Obviously not hard to implement (although it needs some more checks),
> just wondering if it had already been implemented.
> 
> Hadley
>