UKLungDeaths package:datasets R Documentation _M_o_n_t_h_l_y _D_e_a_t_h_s _f_r_o_m _L_u_n_g _D_i_s_e_a_s_e_s _i_n _t_h_e _U_K _D_e_s_c_r_i_p_t_i_o_n: Three time series giving the monthly deaths from bronchitis, emphysema and asthma in the UK, 1974-1979, both sexes ('ldeaths'), males ('mdeaths') and females ('fdeaths'). _U_s_a_g_e: ldeaths fdeaths mdeaths _S_o_u_r_c_e: P. J. Diggle (1990) _Time Series: A Biostatistical Introduction._ Oxford, table A.3 _E_x_a_m_p_l_e_s: require(stats); require(graphics) # for time plot(ldeaths) plot(mdeaths, fdeaths) ## Better labels: yr <- floor(tt <- time(mdeaths)) plot(mdeaths, fdeaths, xy.labels = paste(month.abb[12*(tt - yr)], yr-1900, sep="'"))