coins                 package:UsingR                 R Documentation

_T_h_e _c_o_i_n_s _i_n _m_y _c_h_a_n_g_e _b_i_n

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

     The coins in author's change bin with year and value.

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

     data(coins)

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

     A data frame with 371 observations on the following 2 variables.

     _y_e_a_r Year of coin

     _v_a_l_u_e Value of coin: quarter, dime, nickel, or penny

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

     data(coins)
     years = cut(coins$year,seq(1920,2010,by=10),include.lowest=TRUE,
       labels = paste(192:200,"*",sep=""))
     table(years)

