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2006 HCSDB Adult Sampling Report - Tricare

2006 HCSDB Adult Sampling Report - Tricare

2006 HCSDB Adult Sampling Report - Tricare

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********************************************************************************** Project: 2005 Health Care Survey of DoD Beneficiaries - <strong>Adult</strong>* Project Number: 6077* Task Number: 210** PROGRAM: F:\Q3_2005\Programs\<strong>Sampling</strong>\SAMSIZEA.SAS* Purpose: Sample size determination for the 2005 Quarterly <strong>HCSDB</strong>** Programmer: Don Jang* Updated: 1)04/16/2004 Esther Friedman -- Automated univar so no longerrun UNIVAR.SAS* 2)11/01/2004 Haixia Xu for Q1, 2005 sampling* 3)1/27/2005 Nancy Clusen for Q2 2005 sampling -- Changed libnamepaths* 4)5/12/2005 Haixia Xu for Q3 2005 sampling* INPUTS: POPULATION COUNTS (COUNTA.SD2)* OUTPUTS: FINAL SAMPLE SIZES (SAMSIZEA.SD2)***********************************************************************************;libname in v6 "..\..\Data\AFinal";libname out v6 "..\..\Data\AFinal";OPTIONS PS=79 LS=132 NOCENTER mlogic symbolgen;%LET P = 0.5; ***PRODUCE THE MOST CONSERVATIVE SAMPLE SIZES****;%LET Z = 1.96; ***97.5TH PERCENTILE FOR Z-DIST******************;%LET HLA0 = .22; ***HALF LENGTH = 22 PERCENT FOR EACH STRATUM*****;%LET SSQUARE = &P*(1-&P); ***FORMULA FOR VARIANCE OF P***********;/*------------------------------------------------------------------------MACRO: CALCULATE NUMERICAL PORTIONS OF VARIANCES GIVEN SAMPLE SIZES-------------------------------------------------------------------------*/%MACRO VAR(DAT,DOMAIN,POPSIZE,NH,ODAT);DATA VARA;SET &DAT;BY &DOMAIN;VH=&POPSIZE**2*((&POPSIZE-&NH)/(&POPSIZE-1))*&SSQUARE/&NH;RUN;PROC MEANS DATA=VARA NOPRINT;VAR VH;BY &DOMAIN;OUTPUT OUT=&ODAT SUM=VSUM;RUN;%MEND VAR;************************************************************************* TO DETERMINE OPTIMAL STRATUM SIZES GIVEN PREDETERMINED VARIANCE***********************************************************************;%MACRO OPTALLO(DAT,DOMAIN,POPSIZE,V0,ODAT);/*----------------------------------------------------------TO CALCULATE PARTIAL SUMS OF REMAINING DOMAIN SIZESNOTE: THIS SUM can be DIFFERENT FROM THE DOMAIN TOTAL !!!-------------------------------------------------------------*/DATA &DAT;SET &DAT;DEN = (&POPSIZE/DSUM&ITE)**2/(&POPSIZE-1);F-1

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