geyser package:MASS R Documentation _O_l_d _F_a_i_t_h_f_u_l _G_e_y_s_e_r _D_a_t_a _D_e_s_c_r_i_p_t_i_o_n: A version of the eruptions data from the 'Old Faithful' geyser in Yellowstone National Park, Wyoming. This version comes from Azzalini and Bowman (1990) and is of continuous measurement from August 1 to August 15, 1985. Some nocturnal duration measurements were coded as 2, 3 or 4 minutes, having originally been described as 'short', 'medium' or 'long'. _U_s_a_g_e: geyser _F_o_r_m_a_t: A data frame with 299 observations on 2 variables. 'duration' numeric Eruption time in mins 'waiting' numeric Waiting time to next eruption _R_e_f_e_r_e_n_c_e_s: Azzalini, A. and Bowman, A. W. (1990) A look at some data on the Old Faithful geyser. _Applied Statistics_ *39*, 357-365. Venables, W. N. and Ripley, B. D. (2002) _Modern Applied Statistics with S._ Fourth edition. Springer. _S_e_e _A_l_s_o: 'faithful'