\name{acme} \alias{acme} \title{ Monthly Excess Returns } \description{ The \code{acme} data frame has 60 rows and 3 columns. The excess return for the Acme Cleveland Corporation are recorded along with those for all stocks listed on the New York and American Stock Exchanges were recorded over a five year period. These excess returns are relative to the return on a risk-less investment such a U.S. Treasury bills. } \usage{ acme } \format{ This data frame contains the following columns: \describe{ \item{\code{month}}{ A character string representing the month of the observation. } \item{\code{market}}{ The excess return of the market as a whole. } \item{\code{acme}}{ The excess return for the Acme Cleveland Corporation. }}} \source{ The data were obtained from Simonoff, J.S. and Tsai, C.-L. (1994) Use of modified profile likelihood for improved tests of constancy of variance in regression. \emph{Applied Statistics}, \bold{43}, 353--370. } \references{ Davison, A.C. and Hinkley, D.V. (1997) \emph{Bootstrap Methods and Their Application}. Cambridge University Press. } \keyword{datasets} % Converted by Sd2Rd version 1.15.