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Tips:I want to hear the sound of SOUNDEX
Phonetic algorithms can be useful in situation where the names are spelled differently by the same person. In this situation, it is critical that phonetic algorithms are used for de-duplication purposes. See the Wikipedia article on Soundex.
/* Example of soundex phonetic application */ data _null_; /* a case where the name is the same but spelt differently */ name1 = "ian"; name2 = "iain"; /* a direct string comparison in this case will fail */ if name1 = name2 then put "name1 = name2 is true."; else put "name1 = name2 is false."; /* a soundex string comparison in this case will succeed */ if soundex(name1) = soundex(name2) then put "name1 = name2 is true with soundex."; else put "name1 = name2 is false with soundex."; run;
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