acme package:boot R Documentation _M_o_n_t_h_l_y _E_x_c_e_s_s _R_e_t_u_r_n_s _D_e_s_c_r_i_p_t_i_o_n: The '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. _U_s_a_g_e: acme _F_o_r_m_a_t: This data frame contains the following columns: '_m_o_n_t_h' A character string representing the month of the observation. '_m_a_r_k_e_t' The excess return of the market as a whole. '_a_c_m_e' The excess return for the Acme Cleveland Corporation. _S_o_u_r_c_e: 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. _Applied Statistics_, *43*, 353-370. _R_e_f_e_r_e_n_c_e_s: Davison, A.C. and Hinkley, D.V. (1997) _Bootstrap Methods and Their Application_. Cambridge University Press.