PilotData-class             package:SSPA             R Documentation

_C_l_a_s_s _P_i_l_o_t_D_a_t_a

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

     The '"PilotData"' class is a container class. It contains all
     necessary information of the pilot data for performing the power
     and sample size analysis.

_O_b_j_e_c_t_s _f_r_o_m _t_h_e _C_l_a_s_s:

     Objects can be created by calling the function 'pilotData'.

_S_l_o_t_s:


     '_n_a_m_e': name of the pilot data, type '"character"'

     '_t_e_s_t_S_t_a_t_i_s_t_i_c_s': vector of test statistics, type '"numeric"'

     '_s_a_m_p_l_e_S_i_z_e': effective sample size
          (frac{1}{n_A}+frac{1}{n_B})^{-1} with n_A the sample size in
          group A, type '"numeric"'

     '_p_V_a_l_u_e_s': vector of p-values, type '"numeric"'

     '_d_o_f': degrees of freedom only used for Student t distribution,
          type '"numeric"'

     '_n_u_l_l_D_i_s_t': null distribution either normal or Student t, type
          '"character"'

_M_e_t_h_o_d_s:

     'show,PilotData-method', 'hist' and 'plot'

_A_u_t_h_o_r(_s):

     Maarten van Iterson

_S_e_e _A_l_s_o:

     'pilotData', 'SampleSize-class'

