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Excel - How to count rows which show specified dates?





Issue

I am trying to get help with stats.

I have a spreadsheet that shows the date a specific action was started in each row. I have to be able to count how many actions (rows) were started each week, I thought it would be COUNTIF, but none of the formulas that I have tried have worked.


I also need to keep track of which actions (rows) were completed between specified dates.
Here is an example:


Date How Received Query Date Resolved
12/05/2009 E-mail Invoice for SG 27/07/2009  
23/07/2009 E-mail Invoice for WHK 27/07/2009
25/07/2009 Phone Tax refund 31/07/2009
27/07/2009 E-mail Fee Invoice 28/07/2009
28/07/2009 E-mail Fee Invoice 29/07/2009
28/07/2009 E-mail AA to change pens 29/07/2009
31/07/2009 E-mail AA to change pens 10/08/2009



Out of the information above what I want to be able to see in the end is that:
  • how many queries were received in the week 27/7/2009 - 31/7/2009 ie 4
  • how many queries of that week were resolved in that week ie 3
  • how many queries of previous weeks were resolved in that week ie 3


If you could help that would be brilliant

Solution

In my region excel dates are shown as m/d/yy and not as you entered.
your data is like this


5/12/2009 a 7/27/2009 20 31  
7/23/2009 s 7/27/2009 30 31
7/25/2009 d 7/31/2009 30 31
7/27/2009 f 7/28/2009 31 31
7/28/2009 g 7/29/2009 31 31
7/28/2009 h 7/29/2009 31 31
7/31/2009 k 8/10/2009 31 33


the formula in d2 is
=WEEKNUM(A2) 

copy D2 down
formula in E2 is
=WEEKNUM(C2)

copy E2 down

now see the results

this from cell A9
rel dates recd same wk wk 30 to 31
7/27-7/31 4 3 2
  • in B10 the formula is

=COUNTIF(D2:D8,31) 
  • in C10 the formula is

=SUMPRODUCT((D2:D8=31)*(E2:E8=31)) 
  • in D10 the formula is

=SUMPRODUCT((D2:D8=30)*(E2:E8=31))

Note

Thanks to venkat1926 for this tip on the forum.
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