Page 127 - 006
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                   $X     7.5 Probit analysis


                                                                                                +/
                                -    response frequency     6 
 	          	    
    #!      "

                                                                                                    )

                                                                       +/
                                                      1
                                   1
                                                                    /

                                                                                      6

                    )
                     &   H /  % *    '      " *        '  #!    6/ K      ** #
                                           /
                       ,  Y  ,
    #!    (" 	      7    5    &    ( #
                                                                                                 /
                                                                    /
                                                                                                 1
                                                                           1

                                -    total  observed      6 
 	    ' !( H+ *     	  "   '   (''
                                                                                         	7

                                                  7





                                                                                6
                                        +/
                                    	7
                   '(! #       &      	     *     5  &    ( #   **  '    5  '

                   '(! #
5(    5   "
   &      	       response frequency   
&   	       response
                           Y


                   frequency # 
        ,  Y  ,
    #!      !     7*      100%
                                                                                                7

                                -       6 
 	     "      " 1  	   !    covariate(s)  (" 	      !    *




                                                                                                6
                    !(   (#   ! 
   0    %          &           !  Q                &
                                                                                     +/

                                   /

                                                        6







                           !  Q     &   5  /1 
    5    (#    
  '    
   Transform
                                                                           /

                   covariate      6 
 box     transform    ' /

                                                                7

                                                                       Y



                                                                                 /
                                -    Factor  *   6 
 	     !      5 
5( 
  '  6 
 &      	     %
                                                                  6

                                                                   ,
                                                                               0W
                                                     /
                   
 0   ' /*     
1   (&      	    '    
     &     ("
  &
                   * 5(     *    ) ' / 7.6


                          $X     7.6 Define rang
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