ASAT                 package:mratios                 R Documentation

_A_S_A_T _d_a_t_a

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

     Data from a toxicity study: ASAT values of the serum of female
     Wistar rats six months after application

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

     data(ASAT)

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

     A data frame with 34 observations on the following 2 variables.

     _g_r_o_u_p a factor with two levels KON, and TREAT, where KON is the
          control group consisting of 19 subjects and TREAT is the
          treatment group consisting of only 15 subjects due to
          mortality 

     _A_S_A_T a numeric vector containing values of the response variable

_D_e_t_a_i_l_s:

     The objective is to test that ASAT values of treatment group are
     not relevantly heightened compared to the control group, where
     average ASAT value which is more than 25 percent higher than the
     average of the control group is defined as relevant.

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

     _Hauschke, D. (1999)._ Biometrische Methoden zur Auswertung und
     Planung von Sicherheitsstudien. _ Habilitationsschrift,
     Fachbereich Statistik, Universtaet Dortmund._

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

     library(mratios)

     data(ASAT)

     str(ASAT)
     boxplot(ASAT~group, data=ASAT)

