Finding more duplicates
Hmmm, wait a minute.
You're not quite sure that you found all of the duplicates.
Let's think of another field that may be likely to have well formed data that could be used for duplicate checking.
I know you're thinking about the phone number field.
You're a genius!
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演習の手順
We've purposely left the functions in column
Gfrom the previous exercise that check for duplicated names.Let's add the
COUNTIFfunction in rows 3 through 18 of columnHto count the duplicates in the phone number column instead of the name column.
