salmonella                package:aod                R Documentation

_S_a_l_m_o_n_e_l_l_a _R_e_v_e_r_s_e _M_u_t_a_g_e_n_i_c_i_t_y _A_s_s_a_y

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

     "Data for our third example were compiled by Margolin et al.
     (1981) from an Ames _Salmonella_ reverse mutagenicity assay. Table
     1 shows the number of revertant colonies observed on each of 3
     replicate  plates tested at each of 6 dose levels of quinoline."
     (Breslow, 1984, Table 1).

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

     data(salmonella)

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

     A data frame with 18 observations on the following 2 variables.

     _d_o_s_e a numeric vector: the dose level of quinoline (microgram per
          plate).

     _y a numeric vector: the number of revertant colonies of TA98
          _Salmonella_.

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

     Breslow, N.E., 1984. _Extra-Poisson variation in log-linear
     models_. Applied Statistics 33(1), 38-44.

_R_e_f_e_r_e_n_c_e_s:

     Margolin, B.H., Kaplan, N., Zeiger, E., 1981. _Statistical
     analysis of the Ames _Salmonella_ / microsome test_. Proc. Natl
     Acad. Sci. USA 76, 3779-3783.

