feat: change to custom function for modifying factors

man/unique_names.Rd

@@ -0,0 +1,25 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/update-factor-ext.R
+\name{unique_names}
+\alias{unique_names}
+\title{Make unique variable names}
+\usage{
+unique_names(new, existing = character())
+}
+\arguments{
+\item{new}{a vector of proposed new variable names}
+
+\item{existing}{a vector of existing variable names}
+}
+\value{
+a vector of unique new variable names
+}
+\description{
+Helper function to create new variable names that are unique
+given a set of existing names (in a data set, for example).
+If a variable name already exists, a number will be appended.
+}
+\examples{
+unique_names(c("var_x", "var_y", "var_x"), c("var_x", "var_z"))
+
+}