Centre for Longitudinal Studies



compute compda18=compdt18.

compute compda19=compdt19.

compute compda20=compdt20.

compute compda21=compdt21.

compute compda22=compdt22.

compute compda23=compdt23.

compute compda24=compdt24.

compute compda25=compdt25.

compute compda26=compdt26.

compute compda27=compdt27.

compute compda28=compdt28.

compute compda29=compdt29.

compute compda30=compdt30.

compute compda31=compdt31.

compute compda32=compdt32.

compute compda33=compdt33.

compute compda34=compdt34.

compute compda35=compdt35.

compute compda36=compdt36.

compute compda37=compdt37.

compute compda38=compdt38.

compute compda39=compdt39.

compute compda40=compdt40.

compute newtotby=0.

format newtotby(f1.0).

loop #i=1 to 40.

if(xprega(#i) ne 0)newtotby=newtotby+1.

end loop.

end if.

Variable labels missdany "Warning indicator for birthdates still not picked up".

Value labels missdany

0 "None missed"

1 "At least one missed".

fre missdany.

compute babydscp=0.

If(totbaby ne newtotby)babydscp=1.

* temporary.

* select if (changed=1 or changed=2).

* fre babydscp.

* temporary.

* select if (babydscp=1 and (changed=1 or changed=2)).

* fre bserial nserial.

fre pre91flg.

temporary.

select if (pre91flg=1).

fre nserial.

execute.

* re-declare missing values which were 'undeclared' at the start.

missing values prega prega2 prega3 prega4 prega5 prega6 prega7 prega8 prega9 prega10



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