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\name{detergent}
\docType{data}
\alias{detergent}
\title{Detergent Brand Choice}
\description{
This dataset gives the laundry detergent brand choice by households and the
price of each brand.
}
\usage{data(detergent)}
\format{A data frame containing the following 7 variables and 2657 observations.
\tabular{lll}{
choice \tab factor \tab a brand chosen by each household\cr
TidePrice \tab numeric \tab log price of Tide\cr
WiskPrice \tab numeric \tab log price of Wisk\cr
EraPlusPrice \tab numeric \tab log price of EraPlus\cr
SurfPrice \tab numeric \tab log price of Surf\cr
SoloPrice \tab numeric \tab log price of Solo\cr
AllPrice \tab numeric \tab log price of All\cr
}
}
\references{Chintagunta, P. K. and Prasad, A. R. (1998) \dQuote{An Empirical
Investigation of the `Dynamic McFadden' Model of Purchase Timing and
Brand Choice: Implications for Market Structure}. \emph{Journal of
Business and Economic Statistics} vol. 16 no. 1 pp.2-12.
}
\keyword{datasets}
|
