Question:33

TheSASdatasetQTR1_REVENUEislistedbelow:

destinationrevenue

YYZ53634

FRA62129

FRA75962

RDU76254

YYZ82174

ThefollowingSASprogramissubmitted:

procsortdata=qtr1_revenue;

bydestinationdescendingrevenue;

run;

Whichoneofthefollowingrepresentsthefirstobservationintheoutputdataset?

1.destinationrevenue

YYZ82174

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CorrectAnswer:4

Ascendingdestionaiton,descdendingrevenue.Theworddescendingonlymodifiesthevariabledirectlyafterit.

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so"bydestinationdescendingrevenue"causesdestinationtobeinascendingorder(A,B,C,D,E,F,G)andrevenuewillbeindescendingorder(9,8,7,6,5,4,3).