#### Sumproduct but only first time corresponding value is seen e.g. un

```Using XL03

Sample Data:

Name   Race Speed    Avg Speed  Track     Month
Joe         2:12                 2:15      OFCF      Jan
etc

I already have sumproducts in place to count how many participants raced in
each month, how many at each track, etc.

The last piece I need to add is the number of people for a given track on a
given month, who had an /average/ time of over 2 minutes. But, I have
repeats- the same person can run a track more than once in the same month, so
their average comes across more than once and skews the total count.

Is there a straightforward way to only count the "unique" value combinations
(first time for combo of person, track, month) and ignore all subsequent
races by that person on the same track/month in the sumproduct count?

Thank you!
Keith
```
 0
Utf
3/18/2010 4:35:02 PM
excel.worksheet.functions 4936 articles. 2 followers.

1 Replies
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```Try this array formula** :

** array formulas need to be entered using the key combination of
CTRL,SHIFT,ENTER (not just ENTER). Hold down both the CTRL key and the SHIFT
key then hit ENTER.

--
Biff
Microsoft Excel MVP

"ker_01" <ker01@discussions.microsoft.com> wrote in message
news:702D94CF-902D-4E78-B1C1-840B24E827A4@microsoft.com...
> Using XL03
>
> Sample Data:
>
> Name   Race Speed    Avg Speed  Track     Month
> Joe         2:12                 2:15      OFCF      Jan
> Joe         2:28                 2:15      ADL         Feb
> Mary       2:14                 2:07      ADL        Jan
> Joe         2:15                 2:15       ADL        Feb
> etc
>
> I already have sumproducts in place to count how many participants raced
> in
> each month, how many at each track, etc.
>
> The last piece I need to add is the number of people for a given track on
> a
> given month, who had an /average/ time of over 2 minutes. But, I have
> repeats- the same person can run a track more than once in the same month,
> so
> their average comes across more than once and skews the total count.
>
> Is there a straightforward way to only count the "unique" value
> combinations
> (first time for combo of person, track, month) and ignore all subsequent
> races by that person on the same track/month in the sumproduct count?
>
> Thank you!
> Keith

```
 0
T
3/18/2010 5:20:42 PM

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