Solved

sumproduct

Posted on 2011-09-21
5
311 Views
Last Modified: 2012-05-12
See attached spreadsheet.  On the totals sheet, I need the yellow cells to count the number of records on sheet "R" column V.  I can't change the format in column V.  I'm sure there is an easy solution but I can't seem to figure it out.

Below is my attempt to try to solve this.  Can you help?

=SUMPRODUCT(--(TEXT('R'!$V$2:$V$30,"mmmyy")=TEXT(A3,"mmmyy")>0))


Thanks!
test.xls
0
Comment
Question by:dddw
  • 3
5 Comments
 
LVL 41

Expert Comment

by:dlmille
ID: 36578643
Quick question - are you trying to count number of dates for the month and year, or number of dates (in the other sheet) that match the date in column A (I think the latter, but checking - as your formula converts to MMMYY)...

Dave
0
 
LVL 6

Expert Comment

by:reitzen
ID: 36578660
An array formula can provide you with the solution you are looking for.

If you are not familiar with array functions, you are comparing several things in your range before the formula returns "true".  In this case, you are asking for the month, day, and year to be true before returning "1".  The SUM function adds up all TRUE instances.

When entering an array function, you do not enter the curly brackets.  They are inserted for you when you press CTRL + SHIFT + ENTER after the formula.  So, if you want to copy the formula below, do not include the curly brackets when you highlight the formula.  Paste what you've copied into the cell and press CTRL + SHIFT + ENTER to enter the array formula.
{=SUM((MONTH('R'!$V$2:$V$30)=MONTH(A2))*(DAY('R'!$V$2:$V$30)=DAY(A2))*(YEAR('R'!$V$2:$V$30)=YEAR(A2))*1)}

Open in new window

0
 
LVL 41

Assisted Solution

by:dlmille
dlmille earned 500 total points
ID: 36578664
For the individual date count, use this formula:

=SUMPRODUCT(--(A2=DATEVALUE('R'!$V$2:$V$30)))


A quick way to see if your comparisons will work, setup an equality on a limited number of datapoints... E.g, in a random cell, type:

  =A2=DATEVALUE('R'!$V$2:$V$30)  

then select the entire formula and hit F9 - that's how I review to see what the result would be.  Then, it was just a case of wrapping a counting function like SUMPRODUCT with -- to count the TRUE's

See attached...

Dave
test.xls
0
 
LVL 41

Accepted Solution

by:
dlmille earned 500 total points
ID: 36578669
@dddw - of course, you were on the right track, and although I like to use DATEVALUE to get at the day date, independent of time, you could also have used:

=SUMPRODUCT(--(TEXT(A2,"MMDDYY")=TEXT('R'!$V$2:$V$30,"MMDDYY")))

Cheers,

Dave
test-r1.xls
0
 

Author Comment

by:dddw
ID: 36580320
Thank you!  Both of those solutions work great.  I appreciate the information.  
0

Featured Post

Do You Know the 4 Main Threat Actor Types?

Do you know the main threat actor types? Most attackers fall into one of four categories, each with their own favored tactics, techniques, and procedures.

Join & Write a Comment

Dealing with unintended Excel Active-X resizing quirks (VBA code simulates "self correction") David Miller (dlmille) Intro Not everyone is a fan of Active-X controls in spreadsheets (as opposed to the UserForm approach, the older Form controls …
Approximate matching with VLOOKUP and MATCH seems to me to be a greatly under-used technique, and one which is vital for getting good performance out of large lookups. Until recently I would always have advised using an exact match for simplicity an…
Graphs within dashboards are meant to be dynamic, representing data from a period of time that will change each time the dashboard is updated with new data. Rather than update each graph to point to a different set within a static set of data, t…
This Micro Tutorial demonstrates in Microsoft Excel how to consolidate your marketing data by creating an interactive charts using form controls. This creates cool drop-downs for viewers of your chart to choose from.

743 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

14 Experts available now in Live!

Get 1:1 Help Now