ratioFilter-methods           package:xps           R Documentation

_R_a_t_i_o _F_i_l_t_e_r

_D_e_s_c_r_i_p_t_i_o_n:

     This method initializes the Ratio Filter. The ratio is the maximum
     value divided by minimum value for each row of the expression
     dataframe. 
      The Ratio Filter flags all rows with: 'flag = (max/min >=
     cutoff)'

     _Usage_

     'ratioFilter(object)' 
      'ratioFilter(object, value)<-'

_A_r_g_u_m_e_n_t_s:

  object: object of class 'PreFilter'.

   value: numeric value 'c(cutoff)'.

_D_e_t_a_i_l_s:

     The method 'ratioFilter' initializes the following parameters:

         'cutoff':  the cutoff level for the filter.

_V_a_l_u_e:

     An initialized 'PreFilter' object.

_A_u_t_h_o_r(_s):

     Christian Stratowa

_E_x_a_m_p_l_e_s:

     prefltr <- PreFilter()
     ratioFilter(prefltr) <- c(1.5)
     str(prefltr)

