26 lines
796 B
Plaintext
26 lines
796 B
Plaintext
clear
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cd e:\chililabdata\data
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use membership
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sort individid
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drop if individid==""
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replace mem_sdate=mem_sdate/86400000
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rename mem_sdate sdate
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format sdate %td
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gen year = year( sdate)
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gen h = halfyear(sdate)
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gen round = yh(year,h)-89
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sort individid round
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duplicates drop individid round, force
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gen period = round[_n+1]-round
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replace period = 109-89 -round if individ != individid[_n+1]
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drop mem_episodeid mem_sobserveid mem_seventtype mem_eobserveid mem_edate mem_eeventtype mem_no socialgpidGuid mem_sobserveidGuid mem_eobserveidGuid h year
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expand period
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sort individid round
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by individid round: gen p=_n-1
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replace round = round+p
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tostring round, generate(rounds)
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replace rounds = "0" + rounds if strlen(rounds) == 1
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gen socialkeys = socialgpid + rounds
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drop period p
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save rMembership, replace
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