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I'd like to count the occurrence of unique items found in one column of about 120 items. I can't find a way to do this in

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Currently, if I do this calculation in the footer row, or another table, they both show up as "0" – Graphic Agenda Jul 5 '12 at 23:05
Shows up as "0" because I'm not sure how to use the Count function really well. – Graphic Agenda Jul 7 '12 at 23:28

3 Answers 3

up vote 7 down vote accepted

Here is a clever solution posted in an apple discussions thread.

You basically create another column, and use the formula =IF(COUNTIF(A$1:A1, A2)=0,1,""). This will display a one for the first occurrence of each unique item. You then simply sum the whole column and you get your count.

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Works great! Thank you. – Graphic Agenda Jul 7 '12 at 23:27
Your Welcome! :) – kevin9794 Jul 12 '12 at 18:56

If it doesn't have to be updated dynamically, you might also copy the cells and run something like pbpaste | sort | uniq | wc -l.

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why do you need sort? – CousinCocaine Apr 13 at 17:59

Copy the column and run pbpaste| sort | uniq -c in a terminal.

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