dvdsales               package:UsingR               R Documentation

_M_o_n_t_h_l_y _D_V_D _p_l_a_y_e_r _s_a_l_e_s _s_i_n_c_e _i_n_t_r_o_d_u_c_t_i_o_n _t_o _M_a_y _2_0_0_4

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

     Monthly DVD player sales since introduction of DVD format to May
     2004

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

     data(dvdsales)

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

     Matrix with rows recording the year, and columns the month.

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

     <URL: http://www.thedigitalbits.com/articles/cemadvdsales.html>

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

     data(dvdsales)
     barplot(t(dvdsales[7:1,]),beside=TRUE)

