Data NInput_vars=104 NObservations=0 REctangular file=final.raw LABELS IDA ZYGOTA S1AGE SEXEO S1HGHTA S1WGHTA S1NASINA S1EARSA S1CIRCA S2HGHTA S2WGHTA S2NASINA S2EARSA S2CIRCA S1REXCLA S1RWRDA S1RSCHFA S1RNAAMA S1RFIGA S1RIDEEA S1SEXCLA S1SWRDA S1SSCHFA S1SNAAMA S1SFIGA S1SIDEEA S1RAKITA S2REXCLA S2RWRDA S2RSCHFA S2RNAAMA S2RFIGA S2RIDEEA S2SEXCLA S2SWRDA S2SSCHFA S2SNAAMA S2SFIGA S2SIDEEA S2RAKITA IQ5A IQ7A IQ10A IQ12A S1VERBA S1PERFA S1RUIMA S1VLOTA S2VERBA S2PERFA S2RUIMA S2VLOTA IDB ZYGOTB S2AGE SEXEJ S1HGHTB S1WGHTB S1NASINB S1EARSB S1CIRCB S2HGHTB S2WGHTB S2NASINB S2EARSB S2CIRCB S1REXCLB S1RWRDB S1RSCHFB S1RNAAMB S1RFIGB S1RIDEEB S1SEXCLB S1SWRDB S1SSCHFB S1SNAAMB S1SFIGB S1SIDEEB S1RAKITB S2REXCLB S2RWRDB S2RSCHFB S2RNAAMB S2RFIGB S2RIDEEB S2SEXCLB S2SWRDB S2SSCHFB S2SNAAMB S2SFIGB S2SIDEEB S2RAKITB IQ5B IQ7B IQ10B IQ12B S1VERBB S1PERFB S1RUIMB S1VLOTB S2VERBB S2PERFB S2RUIMB S2VLOTB MISSING=-1 !SELECTING MZF TWINS SELECT IF ZYGOTA = 3 SELECT S1SWRDA S1SNAAMA S1SIDEEA S1SEXCLA S1SSCHFA S1SFIGA S1SWRDB S1SNAAMB S1SIDEEB S1SEXCLB S1SSCHFB S1SFIGB ;