% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/db.R
\name{nvals}
\alias{nvals}
\title{Count the number of unique values in a vector}
\usage{
nvals(x)
}
\arguments{
\item{x}{a vector of values}
}
\value{
an integer equal to the number of unique values in a vector
}
\description{
Count the number of unique values in a vector
}
\examples{
nvals(letters) # = 26
nvals(state.abb) # = 50
}