CATPCA

CATPCA is available in SPSS® Statistics Professional Edition or the Categories option.

CATPCA performs principal components analysis on a set of variables. The variables can be given mixed optimal scaling levels, and the relationships among observed variables are not assumed to be linear.

CATPCA VARIABLES = varlist

 /ANALYSIS = varlist
      [[(WEIGHT={1**}] [LEVEL={SPORD**}] [DEGREE={2}] [INKNOT={2}]]
                {n  }                            {n}          {n} 
                              {SPNOM  }  [DEGREE={2}] [INKNOT={2}]
                                                 {n}          {n} 
                              {ORDI   }
                              {NOMI   }
                              {MNOM   }
                              {NUME   }

 [/DISCRETIZATION = [varlist[([{GROUPING   }] [{NCAT={7}}] [DISTR={NORMAL }])]]]
                                                     {n}            {UNIFORM}
                               {EQINTV={n} }
                               {RANKING    }
                               {MULTIPLYING}

 [/MISSING = [varlist [([{PASSIVE**}] [{MODEIMPU}])]]]
                                       {RANDIMPU }
                                       {EXTRACAT } 
                         {ACTIVE   }   {MODEIMPU }
                                       {RANDIMPU } 
                                       {EXTRACAT } 
                                       {LISTWISE } 

 [/SUPPLEMENTARY = [OBJECT(varlist)] [VARIABLE(varlist)]]

 [/CONFIGURATION = [{INITIAL}] (file)]
                    {FIXED   } 

 [/DIMENSION = {2**}]
               {n  }

 [/NORMALIZATION = {VPRINCIPAL**}]
                   {OPRINCIPAL  }
                   {SYMMETRICAL }
                   {INDEPENDENT }
                   {n           }

 [/MAXITER = {100**}]
             {n    }

 [/CRITITER = {.00001**}]
              {value   }

 [/ROTATION = [{NOROTATE**}] [{KAISER**}]]              
               {VARIMAX   }   {NOKAISER}              
               {EQUAMAX   }              
               {QUARTIMAX }              
               {PROMAX    } [({4})]                              
                              {k }              
               {OBLIMIN   } [({0})]                              
                              {k }

 [/RESAMPLE = [{NONE**   }]]              
               {BOOTSTRAP} [([{1000}] [{95}] [{BALANCED }][{PROCRU}])]                            
                              {n    }   {m  }   {UNBALANCED}  {REFLEC }

 [/PRINT = [DESCRIP**[(varlist)]]]
           [LOADING** [{NOSORT}]]
                       {SORT   }
           [CORR**] 
           [VAF] 
           [OCORR] 
           [QUANT[(varlist)]]
           [HISTORY] 
           [OBJECT[([(varname)]varlist)]] 
           [NONE]

 [/PLOT = [OBJECT**[(varlist)][(n)]] 
          [LOADING**[(varlist [(CENTR[(varlist)])])][(n)]]
          [CATEGORY (varlist)[(n)]] 
          [JOINTCAT[({varlist})][(n)]] 
          [TRANS[(varlist[({1})])[(n)]]
                           {n } 
          [BIPLOT[({LOADING}[(varlist)])[(varlist)]] [(n)]]
                   {CENTR  } 
          [TRIPLOT[(varlist[(varlist)])][(n)]]
          [RESID(varlist[({1})])[(n)]] 
                          {n }
          [PROJCENTR(varname, varlist)[(n)]] [NONE]]
          [NDIM(value,value)]
          [VAF]
          [OBELLAREA   [({>}{STDEV} {2})]]                       
                         {GT}{AREA  } {2}                      
                         {< }                      
                         {LT}         
          [LDELLAREA   [({>} {AREA} {0})]]                       
                         {GT} {STDEV} {2}                      
                         {< }                      
                         {LT}        
          [CTELLAREA   [({>} {AREA} {2})]]                       
                         {GT} {STDEV} {2}                      
                         {< }                      
                         {LT}         
          [NELLPNT({40})                  
                   {n  }         

 [/SAVE = [TRDATA[({TRA    }[(n)])]] [OBJECT[({OBSCO  }[(n)])]] 
                   {rootname}                  {rootname}
          [APPROX[({APP    })]] [ELLAREAOBJ]
                   {rootname}
          [LDELLAREA]
          [OBELLAREA]
          [CTELLAREA]

 [/OUTFILE = [TRDATA('savfile'|'dataset')]]
             [DISCRDATA('savfile'|'dataset')] 
             [OBJECT('savfile'|'dataset')] 
             [APPROX('savfile'|'dataset')]
             [ELLCOORD ('savfile'|'dataset)]

** Default if the subcommand is omitted.

This command reads the active dataset and causes execution of any pending commands. See the topic Command Order for more information.

Syntax for the CATPCA command can be generated from the Categorical Principal Components Analysis (CATPCA) dialog.

Release History