Map elements of a vector according to the provided 'cases'
Map elements of a vector according to the provided 'cases'. This
function is useful for mapping discrete values to factor labels and
is the vector equivalent to the switch function.
case(x, ..., default = NA)
x |
Vector to be converted |
... |
Map of alternatives, specified as "name"=value |
default |
Value to be assigned to elements of |
This function is to switch what ifelse is to if,
and is a convenience wrapper for factor.
A factor variables with each element of x mapped into the
corresponding level of specified in the mapping.
Gregory R. Warnes greg@warnes.net
factor, switch, ifelse
## default = NA case( c(1,1,4,3), "a"=1, "b"=2, "c"=3) ## default = "foo" case( c(1,1,4,3), "a"=1, "b"=2, "c"=3, default="foo" )
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.