mvbutils (version 1.1.0)

as.data.frame.I: Coerce to data.frame, preserving mode of columns

Description

as.data.frame.I(x) protects all columns in x except factors and numerics using I() before calling as.data.frame(x).

Usage

as.data.frame.I( x, row.names=NULL, optional=FALSE)

Arguments

x

a list

row.names

NULL or a character vector giving the row names for the data frame. Missing values are not allowed.

optional

logical. If TRUE, setting row names and converting column names (to syntactic names) is optional.

Value

• A data.frame with the same columns as x.

See Also

data.frame, I

Examples

class( as.data.frame( list( x=letters[1:3]))$x) # factor
mode( as.data.frame( list( x=letters[1:3]))$x) # numeric
class( as.data.frame.I( list( x=letters[1:3]))$x) # AsIs
mode( as.data.frame.I( list( x=letters[1:3]))$x) # character