How would you code a merge that will keep only the observations that have match

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How would you code a merge that will keep only the
observations that have matches from both sets?

Question Posted / sasguru

5 Answers
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How would you code a merge that will keep only the observations that have matches from both sets?..

Answer / vijay

Dear Guest,
Merge won't accept NODUPKEY option. it is for PROC SORT.
the following code will get only matched observations in
both datasets

data three;merge one (in=a) two (in=b);by **;if a and b;run;

Is This Answer Correct ?

12 Yes

0 No

How would you code a merge that will keep only the observations that have matches from both sets?..

Answer / naveen

data qqq;
merge aaa(in=a) bbb(in=b);
if a and b;
run;

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1 Yes

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How would you code a merge that will keep only the observations that have matches from both sets?..

Answer / murray

Both answers #2 and #3 will work fine, however the '= 1'
part is superfluous, and will work fine without.

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0 Yes

3 No

How would you code a merge that will keep only the observations that have matches from both sets?..

Answer / san

data c;
merge data a(in=a)
dat b(in=b);
if a=1 and b=1;
by<common column>;
run;

Is This Answer Correct ?

0 Yes

5 No

How would you code a merge that will keep only the observations that have matches from both sets?..

Answer / guest

nodupkey option in the merge statement

Is This Answer Correct ?

0 Yes

8 No

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