Convert factor to numeric vector

Converts the factor labels to numeric values and returns the factor as a numeric vector

fac2num(x)

Arguments

x

A factor

Value

Returns a numeric vector of the same length as x

Details

Returns a vector of numeric values. Elements in the input factor that cannot be converted to numeric will produce NA.

Author

Claus Ekstrom claus@rprimer.dk

Examples

f <- factor(c(1,2,1,3,2,1,2,3,1))
fac2num(f)
#> [1] 1 2 1 3 2 1 2 3 1