factorize: Attempt to convert grouping variables to factors

Description

If variables within a data frame are not factors, try to convert them. Not intended for end-user use; this is a utility function that needs to be exported, for technical reasons.

Usage

1
factorize(x,frloc,char.only=FALSE)

Arguments

x

a formula

frloc

a data frame

char.only

(logical) convert only character variables to factors?

Value

a copy of the data frame with factors converted


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