   @Test
   public void testinitCalc() {

        DynamicFactorModel dmodelc = dmodel.clone();
        dmodelc.normalize();dmodelc.setInitialization(VarSpec.Initialization.Zero);
        PcInitializer initializer = new PcInitializer();
       // initializer.initialize(dmodelc, dfmdata);        
         
  
      em = new DfmEM();     
      em.estimate(dmodelc,dfmdata);  // public, can be tested
    //  em.estimate(dmodelc,dfmdata);  // public, can be tested
   
           
         
   /**
                   // EM par Jean
      em2 = new DfmEM2(null);     
      em2.initialize(dmodelc,dfmdata);  // public, can be tested
      
 
   */  
   }