babyboom               package:UsingR               R Documentation

_B_a_b_y_b_o_o_m: _d_a_t_a _f_o_r _4_4 _b_a_b_i_e_s _b_o_r_n _i_n _o_n_e _2_4-_h_o_u_r _p_e_r_i_o_d.

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

     The 'babyboom' dataset contains the time of birth, sex, and birth
     weight for 44 babies born in one 24-hour period at a hospital in
     Brisbane, Australia.

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

     data(babyboom)

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

     A data frame with 44 observations on the following 4 variables.

     _c_l_o_c_k._t_i_m_e Time on clock

     _g_e_n_d_e_r a factor with levels 'girl' 'boy'

     _w_t weight in grams of child

     _r_u_n_n_i_n_g._t_i_m_e minutes after midnight of birth

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

     This data set was submitted to the _Journal of Statistical
     Education_, <URL:
     http://www.amstat.org/publications/jse/secure/v7n3/datasets.dunn.cfm>,
     by Peter K. Dunn.

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

     data(babyboom)
     hist(babyboom$wt)
     hist(diff(babyboom$running.time))

