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An Analysis on Danish Micro Data - School of Economics and ...

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set b.nyti2001;<br />

KEEP AAR ALDER ANC02 ANC36 ANC79 ANC1014 ANC1517 ANSAAR ANSDAGE<br />

ARLEDGR<br />

CSTATUS CTYPE HDTID2 HFFSP IELAND IETYPE KOEN KOMMK PSTILL2 SLON<br />

UDTRNR;<br />

proc sort data=aar2001;<br />

by udtrnr aar;<br />

data aar2002;<br />

set b.nyti2002;<br />

KEEP AAR ALDER ANC02 ANC36 ANC79 ANC1014 ANC1517 ANSAAR ANSDAGE<br />

ARLEDGR<br />

CSTATUS CTYPE HDTID2 HFFSP IELAND IETYPE KOEN KOMMK PSTILL2 SLON<br />

UDTRNR;<br />

proc sort data=aar2002;<br />

by udtrnr aar;<br />

data aar2003;<br />

set b.nyti2003;<br />

KEEP AAR ALDER ANC02 ANC36 ANC79 ANC1014 ANC1517 ANSAAR ANSDAGE<br />

ARLEDGR<br />

CSTATUS CTYPE HDTID2 HFFSP IELAND IETYPE KOEN KOMMK PSTILL2 SLON<br />

UDTRNR;<br />

proc sort data=aar2003;<br />

by udtrnr aar;<br />

data samle;<br />

merge aar1995 aar1996 aar1997 aar1998 aar1999 aar2000 aar2001<br />

aar2002 aar2003;<br />

by udtrnr aar;<br />

data ud.register;<br />

set samle;<br />

/*the medicine database lmdb(MTX antidepressives) are merged with<br />

registerdata*/<br />

data medicin;<br />

set b.lmdb;<br />

yr=0+aar;<br />

proc sort data=medicin;<br />

by udtrnr yr;<br />

data test1;<br />

81

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