#' Crime Rates in Columbus
#'
#' A datset containing information on crime rates, home values, and median
#' incomes for neighborhoods in Columbus, Ohio.
#'
#' @format A data frame with 49 rows and 3 variables:
#' \describe{
#' \item{crime_i}{Indexed crime rate.}
#' \item{income}{household income in thousands.}
#' \item{home_value}{Home values in thousands.}
#' }
#'
#' @note This data is obtained using \link[spdep]{oldcol}
#'
#'
#' @source Anselin, Luc. 1988. Spatial econometrics: methods and models.
#' Dordrecht: Kluwer Academic, Table 12.1 p. 189.
#'
"columbus_crime"
#' Neighbor relationships for zones in Columbus
#'
#' A listw containing spatial weights for the observations in \link{columbus_crime}.
#'
#' @note This data is obtained using \link[spdep]{oldcol}
#' @source Anselin, Luc. 1988. Spatial econometrics: methods and models.
#' Dordrecht: Kluwer Academic, Table 12.1 p. 189.
#'
"columbus_neighbors"
#' County-level firm births in the United States
#'
#' A dataset containing information on firm birth in multiple sectors by
#' counties in the United States
#'
#' @format A data frame with 3078 rows and 39 variables:
#' \describe{
#' \item{County}{}
#' \item{State}{}
#' \item{JPB_ID}{}
#' \item{FIPS}{}
#' \item{X_COORD}{}
#' \item{Y_COORD}{}
#' \item{tbirths}{}
#' \item{subirths}{}
#' \item{mubirths}{}
#' \item{texpan}{}
#' \item{suexpan}{}
#' \item{muexpan}{}
#' \item{mestock}{}
#' \item{msemp}{}
#' \item{tfdense}{}
#' \item{pel10emp}{}
#' \item{pem100emp}{}
#' \item{mhhi}{}
#' \item{pci}{}
#' \item{pop}{}
#' \item{cclass}{}
#' \item{uer}{}
#' \item{pedbs}{}
#' \item{pedms}{}
#' \item{pedsc}{}
#' \item{pedas}{}
#' \item{pedhs}{}
#' \item{avg_wage}{}
#' \item{netflow_emp}{}
#' \item{proad}{}
#' \item{interst}{}
#' \item{avland}{}
#' \item{taxrev_pc}{}
#' \item{bci}{}
#' \item{educ_pc}{}
#' \item{hwy_pc}{}
#' \item{metro}{}
#' \item{micro}{}
#' \item{noncore}{}
#' }
#'
#' @source \url{http://dx.doi.org/10.1016/j.regsciurbeco.2010.04.001}
#'
"firmbirth"
#' Queen-style county adjacency matrix
#'
#' A \code{CsparseMatrix} representation of county contiguity in the United States.
#'
#'
"wqueen"
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