invisible {base} | R Documentation

## Change the Print Mode to Invisible

### Description

Return a (temporarily) invisible copy of an object.

### Usage

    invisible(x)

### Arguments

`x` | an arbitrary R object.

### Details

This function can be useful when it is desired to have functions return values which can be assigned, but which do not print when they are not assigned.

This is a primitive function.

### References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.

### See Also

`withVisible`, `return`, `function`.

### Examples

    # These functions both return their argument
    f1 <- function(x) x
    f2 <- function(x) invisible(x)
    f1(1)# prints
    f2(1)# does not

[Package base version 2.15.1 Index]