[…] Perhaps the most unusual operator in the WHERE clause in SAS is the "sounds like" operator (=*), which does "fuzzy matching" of English words. The operator finds English words that are similar to the specified target words by using the SOUNDEX function in SAS. The SOUNDEX function is often used to select different names that sound alike but have different spelling, such as "John" and "Jon" or "Lynn" and "Lynne." In the following WHERE clause, the "sounds like" operator is used to select observations for which the city sounds similar to either "Cary" or "Asheville." The selected observations are plotted in a scatter plot after eliminating duplicate rows. …