SampleSize-class            package:SSPA            R Documentation

_C_l_a_s_s _S_a_m_p_l_e_S_i_z_e

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

     By contructing an object of 'SampleSize' the power and sample size
     analysis will be performed.

_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 'sampleSize'.

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


     '_p_i_0': proportion of non-differentially expressed genes,
          '"named-list"'

     '_l_a_m_b_d_a': vector containing the estimated density of effect sizes,
          '"numeric"'

     '_t_h_e_t_a': vector containing the range over which the density of
          effect sizes is estimated, '"numeric"'

     '_a_d_j_u_s_t': is the density of effect sizes adjusted ('adjust=TRUE')
          or not  ('adjust=FALSE'), '"logical"'

     '_m_e_t_h_o_d': method used for the estimation of the density of effect
          sizes, '"character"'

     '_b_a_n_d_w_i_d_t_h': Default bandwidth given by log_{10}(n)^{-frac{1}{2}}
          where n is the number of genes.

     '_k_e_r_n_e_l': kernel used for the deconvolution estimator,
          '"character"'

     '_n_K_n_o_t_s': number of knots used for the B-splines (only visible if
          'method="Ruppert"')

     '_b_D_e_g_r_e_e': B-spline degree(only visible if 'method="Ruppert"')

     '_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"'

_E_x_t_e_n_d_s:

     Class 'PilotData', directly.

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

     'show,SampleSize-method', 'Power' and 'plotEffectSize'

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

     Maarten van Iterson

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

     'pilotData', 'PilotData'

