* DATE: JULY 15, 1999.
* NAME: YIH-JIN YOUN
* PURPOSE:  THIS PROGRAM ASSIGNS CONTEXTUAL VARIABLES TO EACH RECORD.
*           OF THE CONCATENATED FILE - 1970, 1980,  AND 1990.
* PROCEDURES: 1. IMOPRT THE CONTEXTUAL FILE AND SAVE IT AS SYSTEM FILE.
*	      2. IMPORT THE CANCATNATED FILE AND SAVE IT AS SYSTEM FILE.
*             3. MERGE THE TWO FILES.
*	      4. EXPORT OUTFILES.
* DATA SOURCE: T789CAT.POR AND TCONT789.POR (SEE REFERENCE GUIDE).
* OUTPUT FILE: T789MRG.POR.
* THE SIZE OF T789MRG.POR IS ??97732170..
  

* IMPORT THE CONTEXTUAL VARIABLES FILE AND SAVE IT AS A SYSTEM FILE.
IMPORT FILE = 'y:\thailand\data\contextuals\TCONT789.POR'.
SORT CASES BY YEAR PROVINCE.
SAVE OUTFILE = 'y:\thailand\data\contextuals\TCONT789.sav'.
EXECUTE.

* IMPORT THE CONCATNATED FILE AND SAVE IT AS A savTEM FILE.
IMPORT FILE = 'y:\thailand\data\merged\T789CAT.POR'.
SAVE OUTFILE= 'y:\thailand\data\merged\T789CAT.sav'.
EXECUTE.
 
GET FILE='y:\thailand\data\merged\T789CAT.sav'.

* ASSIGNS CONTEXTUAL VARIABLES TO EACH RECORD.
MATCH FILES FILE=*/TABLE='y:\thailand\data\contextuals\TCONT789.sav'
 /BY YEAR PROVINCE.

EXPORT OUTFILE='y:\thailand\data\merged\T789MRG715.POR'.
EXECUTE.