SURVEY OF INCOME AND PROGRAM PARTICIPATION, 2008 PANEL REPLICATE WEIGHT FILE DATA DICTIONARY (WAVES 1-) DATA SIZE BEGIN D SSUID 12 1 T SU: Sample Unit Identifier Sample Unit identifier This identifier is created by scrambling together the PSU, Segment, Serial, Serial Suffix of the original sample address. It may be used in matching sample units from different waves. V 000000000000:999999999999 .Scrambled Id D SPANEL 4 13 T SU: Sample Code - Indicates Panel Year U All persons V 2008 .Panel Year D SWAVE 2 17 T SU: Wave of data collection There will be 13 waves of data collection in the 2008 Panel U All persons V 1:13 .Wave of data collection D SREFMON 1 19 T SU: Reference month of this record U All persons V 1 .First Reference month V 2 .Second Reference month V 3 .Third Reference month V 4 .Fourth Reference month D EPPPNUM 4 20 T PE: Person number Person number. This field differentiates persons within the sample unit. Person number is unique within the sample unit. V 101:1299 .Person number D REPWGT1 10 24 T WW: Person first replicate weight person first replicate weight Four implied decimal postions U All persons V 0.0000:999999.9999 .Final person weight D REPWGT120 10 1214 T WW: Person 120th replicate weight person first replicate weight Four implied decimal postions U All persons V 0.0000:999999.9999 .Final person weight