Count number of instances

C

Curtis

Need a formaula to look at an entire column and count the number of
different times (say date of product)

Thanks
 
J

Jackpot

Do you mean a unique count..=COUNT() will give you a total count of numeric
values (including date, time, numbers etc; ).

Why dont you post few samples...
 
C

Curtis

Yes sorry unique count.

If I have Products in column b

apples
apples
peach
grape
lemon

I want to count the number of unique products as in this case the result
would be 4
 
D

Dave Peterson

If you wanted to count the number of unique entries in that range, you could use
a formula like:

=sumproduct((a1:a10<>"")/countif(a1:a10,a1:a10&""))
(you can only use the entire column in xl2007)
 

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