angina                package:mratios                R Documentation

_T_h_e _a_n_g_i_n_a _d_a_t_a _s_e_t

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

     Dose response study of a drug to treat Angina pectoris. Response
     variable was the duration of pain-free walking after treatment,
     relative to the values before treatment. Large values indicate
     positive effects on patients.  Data set taken from Westfall et al.
     (1999), p. 164.

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

     data(angina)

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

     A data frame with 50 observations on the following 2 variables.

     _d_o_s_e a factor with levels 0, 1, 2, 3, 4

     _r_e_s_p_o_n_s_e a numeric vector giving the change from pretreatment as
          measured in minutes of pain-free walking.

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

     See Westfall et al. (1999, p. 164)

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

     P. H. Westfall, R. D. Tobias, D. Rom, R. D. Wolfinger, Y. Hochberg
     (1999). Multiple Comparisons and Multiple Tests Using the SAS
     System. Cary, NC: SAS Institute Inc.

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

     angina(multcomp)

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

     library(mratios)

     data(angina)

     str(angina)

     plot(response~dose, data=angina)

