campy                  package:pad                  R Documentation

_P_A_D  -  _C_a_m_p_y_l_o_b_a_c_t_e_r _d_a_t_a

_D_e_s_c_r_i_p_t_i_o_n:

     The 'campy' data frame has 60 rows and 4 columns.

     This data-set records monthly numbers of incident campylobacter
     cases in the Morecambe Bay area, from January 1990 to December
     1994 inclusive.

_U_s_a_g_e:

     data(campy)

_F_o_r_m_a_t:

     This data frame contains the following columns:

     _m_o_n_t_h a numeric vector with the number of month. 

     _c_a_s_e_s a numeric vector with the number of incident cases.  

     _n_s_t_r_e_n_d a numeric vector with non-seasonal trend estimated by
          moving average smoothing as explained in lecture notes.  

     _s_t_r_e_n_d a numeric vector with seasonal trend estimated by moving
          average smoothing as explained in lecture notes.  

_S_o_u_r_c_e:

     Supplied by Dr K Jones (Lancaster University, UK).

_E_x_a_m_p_l_e_s:

     data(campy)
     attach(campy)
     plot(month, cases)
     lines(month, nstrend, lty=2)
     lines(month, strend, lty=3)

