SURVEY OF INCOME AND PROGRAM PARTICIPATION, 1996 PANEL LONGITUDINAL REPLICATE WEIGHT FILE DATA DICTIONARY DATA SIZE BEGIN D SSUID 12 1 T SU: 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 unitsfrom different waves. V 000000000000:999999999999 .Scrambled ID D SPANEL 4 13 T SU: Sample Code - Indicates Panel Year U All Persons V 1996 .Panel Year D CTL_DATE 7 17 Date of the controls to which weights correspond U All Persons V Mar1996 - Control date for PN1, PN2, PN3, PN4, and CY1 weights V Mar1997 - Control date for CY2 weights V Mar1998 - Control date for CY3 weights V Mar1999 - Control date for CY4 weights D LGTWTTYP 3 24 Weighting designation describing the longitudinal period for which the weights were produced U All Persons V CY1 - Designation for Calendar Year 1996 Weights V CY2 - Designation for Calendar Year 1997 Weights V CY3 - Designation for Calendar Year 1998 Weights V CY4 - Designation for Calendar Year 1999 Weights V PN1 - Designation for Full Panel Weights from January 1996 through December 1996 V PN2 - Designation for Full Panel Weights from January 1996 through December 1997 V PN3 - Designation for Full Panel Weights from January 1996 through December 1998 V PN4 - Designation for Full Panel Weights from January 1996 through December 1999 D PNLLENGTH 2 27 U All Persons Number of waves of data collection for the Panel identified by SPANEL V 12 .for 1996 panel D EPPPNUM 4 29 U All Persons T PE: Person Number. This field differentiates persons within the sample unit. Person number is unique within the sample unit. V 0101:1299 D REPWGT1 10 33 T WW: Person replicate weight. (Four implied decimal positions) U All Persons V 000000000000:999999999999 .Final Person Weight D REPWGT108 10 1103 T WW: Person replicate weight. (Four implied decimal positions) U All Persons V 000000000000:999999999999 .Final Person Weight