Formula Forensics 040 – Apportioning Sales by Criteria

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A few weeks back in the Chandoo.org Forum Melvin asked about Apportioning Sales based on Division and Status to the current sales by store.

Today we will examine how this works and how to develop a solution for the problem.

Apportion/ing

Apportion means to assign or distribute.

In a court the Judge may apportion blame for an accident eg: 50% to the driver, 30% to mechanical failure and 20% to the road conditions, The Judge is assigning or distributing the blame as he deams appropriate.

This is what Melvin wanted to do with his sales. He wanted the sales distributed according to Division and Status based on the current sale by store.

Lets start simple and look at how we can distribute sales on a simple model first.

Let say we have a Distributorship and we buy and sell oranges.

We buy oranges from a supplier and distribute them to 3 stores, Store A, Store B & Store C

We received 1,000 oranges and they were sold as follows

FF40f

We can see that each store received differing percentages of the original supply:

FF40g

50% = 500/1000

30% = 300/1000

etc

A week later the supplier give us another 200 oranges and we want to distribute them based on the previous sales

So the new batch of 200 oranges will be distributed according to these previous percentages

FF40h

100 = 200 x 50%

60 = 200 x 30%

etc

That is as simple and as complicated as apportioning is.

Melvin’s Problem

When we look at Melvin’s problem he has a more complex set of data

You can follow along using a sample file: Download Sample File

FF40a

We can see that Melvin has 14 stores located in 4 Divisions (N, S, W & C) and each can have a status of Open or Open1

But if we simplify this and look at one set of data we can devise a formula which will adjust to each set of data

Lets develop a formula for cell F11 which is dealing with Store 1 in the N Division and has a Status of Open

We see it has sales of 100 (Cell E11)

Total sales of Division N and status Open are 600 (100+100+100+150+150) highlighted below (Lower table)

Looking at the Upper Table we can see that we need to distribute 200 units based on the Division N and Status Open (Cell C4)

FF40b

So we need to distribute 200 units across the 5 stores with Total sales of 600

We know that Store  1. had sales of 100 in cell E11

The Total Sales of Stores in Division N and Status Open can be obtained using a Sumifs function

=SUMIFS($E$11:$E$24, C11:$C$24, $C$11, $D$11:$D$24, D11)

=600

So the proportion of Store 1’s sales 100 to Total Sales ( Division N and Status Open ) 600 is 100/600 = 16.66%

This is calculated by

=E11/SUMIFS($E$11:$E$24, $C$11:$C$24, C11, $D$11:$D$24, D11)

=0.1667

=16.67%

Note: We leave the references to  C11, D11 & E11 variable, so that when the formula is copied down it will refer to the next row

We can use an index/match formula to get the 200 based on the criteria from row 11

=INDEX($C$4:$D$7, MATCH(D11,$B$4:$B$7,0), MATCH(C11,$C$3:$D$3,0))

What this is doing is doing a 2D Lookup in the Range $C$4:$D$7

It is looking up the Division Row no. MATCH(D11,$B$4:$B$7,0)

and looking in the Status Column No. MATCH(C11,$C$3:$D$3,0)

Note: Once again we leave the references to  C11 & D11 variable, so that when the formula is copied down it will refer to the next row

So the proportion of the 200 sales attributable to Store 1 is:

=Distribution Qty * Actual Sales / Total Sales

=INDEX($C$4:$D$7, MATCH(D11, $B$4:$B$7, 0), MATCH(C11, $C$3:$D$3, 0)) * E11 / SUMIFS($E$11:$E$24, $C$11:$C$24, C11, $D$11:$D$24, D11)

= 33.33

FF40c

 

We can now copy this down to all the cells matching our criteria of Division N and Status Open

FF40d

Notice that the total matches the total to be distributed 200 showing that the formula is working

Although we copied the formula down to the cells that had matching criteria each part of the formula was setup to work on the appropriate criteria for the store in the current row

If we now copy F11 down to the other stores you will see that in fact all the stores sales have been apportioned according to the correct criteria.

FF40e

eg: If we look at Stores 7, 8 & 9 we can see that they are in the W Division and have a Status of Open1

The distributed Proportions are each 16.67, totaling 50, which matches the distribution in the Upper table.

You may also notice that Division C has not been accounted for.

I assume that Melvin has sent us a subset of the data and that is why it is missing.

 

Download

You can download a copy of the above file and follow along, Download Sample File.

 

A Challenge

Can you solve the problem another way ?

Post your solutions in the comments below.

 

Other Posts in this Series

The Formula Forensics Series contains a wealth of useful solutions and information specifically about how Normal Formula and specifically Array Formula work.

You can learn more about how to pull Excel Formulas apart in the following posts: http://chandoo.org/wp/formula-forensics-homepage/

If you have a formula and you want to understand how it works contact Hui and it may be featured in future posts.

 

 

 

 

 

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28 Responses to “Pimp your comment boxes [because it is Friday]”

  1. Jeff Weir says:

    This borders on Excel soft-cell...er, soft-core...porn. My favorite kind.

  2. Tim says:

    Wow, that is pimp-TASTIC! I have a question, as a VBA n00b: additional comment boxes stay plain unless I "run" the macro. Is there a way to change all comments, going-forward?

  3. laguerriere says:

    hi Chandoo, well, I like the macro approach. For those who don't like it, there is another way: just add the "draw" toolbar to the shapes toolbar (via Custom etc), click on "edit comment", click on the auto-shape and then choose "draw" drop-down, --> modify auto-shape --> then you even can have a heart or a banner (I like the horizontal banner in in purple :-)) . in excel 2007, you have to add this custom menu that you choose via Excel Options --> Custom --> it is called "change/ modify auto-shape"!!!
    best,

  4. Tom says:

    @Chandoo. Great Post 🙂
    @Tim : the way the macro is coded, it must be run very time.
    @Community: If someone has an idea to perform it when opening an existing excel, it should be nice.
    @Community: if someone has some code to revamp the commentboxes on all sheets, please share it. 🙂
    @Microsoft Excel-progammers: some pimpoptions for the commentboxes should be great.

    Cheerio
    Tom

  5. Yukikomi says:

    For the auto run, please add the codes in workbook:

    Private Sub Workbook_SheetActivate(ByVal Sh As Object)

    Call Comments_Tom

    End Sub

  6. Debra says:

    Wow, that was a lot of fun... Thanks Tom!

  7. Chandoo says:

    @Jeff... Now, 5000 people know about your favorite porn... 😛

    @Tim ... you can write an event to handle the new comments. I wouldnt recommend it as it is really painful. another option is to use the macro suggested by Yukikomi. It will update comments everytime you activate the sheet.

    @laguerriere: very cool 🙂

  8. Johnnie says:

    @Chandoo ... Thanks! This is good stuff. I combined your tip with a tip from Mark O'Brien, then assigned it to a button on Excel 2010's Quick Access Toolbar, to format comments AS I add them. I also like how Mark's code saves me the trouble of backspacing my name out of new comments:

    Sub AppendToExistingComment()
    'Source: Mark O'Brien at http://www.mrexcel.com/forum/showthread.php?t=57296
    Dim oRange As Range
    Dim oComment As Comment
    Dim sText As String

    'Use object variable to hold range.
    Set oRange = ActiveCell
    'Use object variable for comment
    Set oComment = oRange.Comment
    'text to be added to the comment box
    sText = InputBox("Type text to be added:", "APPEND TO COMMENT TEXT")
    If Len(sText) = 0 Then End
    'If Active Cell has a comment then append new text to the end of the comment text
    If Not oComment Is Nothing Then
    sText = oComment.Text & vbNewLine & sText
    oRange.Comment.Delete
    End If

    'Add a comment with the contents of sText
    oRange.AddComment sText

    DoEvents
    Comments_Tom

    End Sub

  9. Nick says:

    Thank you very much for the code, it seems to be working for the most part; I am having a problem however. Once the routine makes the corrections to the comment, the comment becomes invisible. By invisible, I mean that when I highlight my mouse over it, nothing appears. However, when I right click the cell and click 'edit comment' then the comment becomes visible and I enter edit mode. Upon clicking out of the comment, it simply vanishes again. I've tried to fix this problem by adding a .shape.visible = msoTrue but then every comment is always visible. o_O please advise...

    Thank you,

    Nick

  10. Shailyog says:

    @Nick- That is because the font color of the comment is white and when you select the color of selection is also white hence you can not see anything. Try to change the color code in the routine to something else. would work

  11. Michael says:

    Thanks for that! The code works perfectly!

  12. [...] look at Format Excel Comment Boxes using VBA Macros | Chandoo.org - Learn Microsoft Excel Online [...]

  13. Sunny says:

    @ Chandoo - code works great and the comments look super cool. But I have ran into a small issue. In the comments, I am inserting pictures. When I run the macro, for all comments which already have pictures; pictures are deleted. Pls help me retain the pics in comments.

  14. […] posted some code one of his readers submitted, it "pimps" your comment boxes from those boring black-text-on-yellow rectangles to something more professional and eye-pleasing. […]

  15. mohammad mal says:

    love in it

  16. Deepak says:

    Hi Tom,

    This looks really excellent. I am however relatively new to macros / VBA codes so having copy pasted your code in the Developer mode of an Excel file, what are the next steps to use them? Can you please help? Just to recap, I opened a blank Excel workbook, clicked on Developer, copy pasted the comments code and saved the file to the desktop.

    Now how do I go about using it to add comments to an existing file? My apologies for asking a question which may be basic to you great geniuses, but I am not there yet and aspire to get there.

    Many thanks for helping me with next steps that I need to take so that I can now use the code.

    Best Wishes

    Deepak Dave, CMA, MBA, PMP
    Senior Management Consultant

  17. Tom says:

    Dear Dave,

    The best thing to do is to copy the macro in the personal.xls(x) file. The personal excel file will always be launched when you open excel so you can use it with every excelworkbook.
    Read all about it on the page of Microsoft.
    https://support.office.com/en-us/article/Copy-your-macros-to-a-Personal-Macro-Workbook-aa439b90-f836-4381-97f0-6e4c3f5ee566

    Once you have the macro in the personal, you can 'call' the macro by the keyboardcombination 'alt+f8' and klik on the macroname.

    Hope this clarifies the 'how to'. Good luck with your first steps in the wonderfull world of macro's.
    Tom

    • Deepak says:

      Hi Tom,

      Many thanks. I will try that out. Learning is fun and learning this stuff is even more amazing.

      Best Wishes

      Deepak Dave

  18. Gary says:

    There is a line 'Dim LArea As Long' which does not appear to be used. Have I missed something?

  19. Luis says:

    Excellent hack!
    For some reason when I opened my file after using LibreOffice Calc, all comment boxes had changed to some arrow shape.
    So this macro helped me from manually changing more than 5000 comments in a worksheet, or having to install some Excel extension.
    I used it with the following attributes to get back old style comments:

    It helped me from manually changing more than 5000 comments in a worksheet, or having to install some Excel extension.

    .Shape.AutoShapeType = msoShapeRectangle
    .Shape.TextFrame.Characters.Font.Name = "Calibri"
    .Shape.TextFrame.Characters.Font.Size = 10
    .Shape.TextFrame.AutoMargins = True
    .Shape.TextFrame.AutoSize = True

    Thanks a lot!

  20. Mark Blackburn says:

    This was helpful, thank you

  21. loana says:

    I think this is among the most significant
    information for me. And i am glad reading your article.
    But wanna remark on some general things, The site style is great,
    the articles is really great : D. Good job, cheers

  22. Jen says:

    Is there code to add to this that will format a particular part of the comment (i.e. make the last sentence in the comment bold and in italics)?

  23. Phil says:

    This is fantastic!
    How would I add auto-sizing to it?
    I tried adding this:
    .Shape.AutoSize = True but it gives me an error and as a novice at VBA I can't figure it out.

  24. site de promos says:

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    while I was browsing on Bing for something else, Nonetheless I am here now and would
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  25. E.H. says:

    This is GREAT!

    How should the code be changed in order to tun once for all worksheets in a workbook?

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