Let's look at the example below,
In column C dates and column D the error happened on the day with possible multiple entries.
The requirement is to calculate the number of times error5 occurred after 5/5/2012 and before 5/15/2012. (answer is 5).
Lets put the two dates in A1 and A2. The formula will be
=SUMPRODUCT((C1:C22>A1)*(C1:C22<A2)*(D1:D22="error5"))
If you do not want enter dates in cells the formula will be
=SUMPRODUCT(($C$1:$C$22>DATE(2012,5,5))*($C$1:$C$22<DATE(2012,5,15))*($D$1:$D$22="error5"))
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This article was really informative! I’ve been using SUMPRODUCT in Excel to count specific data, and it works wonders for complex calculations. I’ll definitely try applying this method to track vivetool gui more efficiently in my projects.
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