Sentry Page Protection

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** Question 1 **;

proc sort data=sashelp.cars out=cars;
by make model msrp;
where make in ('Honda', 'Audi');
run;

data cars2;
set cars;
by make model msrp;
if first.make;
run;


** Question 2 **;
​
proc sort data=sashelp.prdsal2 out=prdsal2;
by country prodtype;
run;

data prdsal_all;
set prdsal2;
by country prodtype;
if first.prodtype then total=0;
total+actual;
if last.prodtype;
keep country prodtype total;
run;

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