

cabbages(MASS)                               R Documentation

_D_a_t_a _f_r_o_m _a _c_a_b_b_a_g_e _f_i_e_l_d _t_r_i_a_l

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

     The `cabbages' data set has 60 observations and 4 vari-
     ables

_A_r_g_u_m_e_n_t_s_:

    Cult: Factor giving the cultivar of the cabbage, two
          levels: `c39' and `c52'.

    Date: Factor specifying one of three planting dates:
          `d16', `d20' or `d21'.

  HeadWt: Weight of the cabbage head, presumably in kg.

    VitC: Ascorbic acid content, in undefined units.

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

     This data frame contains the following columns:

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

     Rawlings, J. O. (1988) Applied Regression Analysis: A
     Research Tool.  Wadsworth and Brooks/Cole.  Example
     8.4, page 219.  (Rawlings cites the original source as
     the files of the late Dr Gertrude M Cox.)

