:
			
US_UNEMP	MALE	
US_UNEMP	FEMALE	
US_UNEMP	M_TEEN 	
RIV_FLOW	JOKU	
PROD		SERIES	
PETROL		VEHC	
SUNSPT			
BIRTHS3			

  :
1.        ,   
      .
2.    STATISTICA 
 ;     .   
  (=transformations for spectum analysis);  
 ,       .
