Secret Agent KV’s Chops…what’s in HIS Personal Macro Workbook?

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Yesterday, I talked about how you don’t have to know how to code in order to highly leverage VBA. All you need to know is how to Google, Cut, and Paste. As discussed then, I ‘volunteered’ KV under pain of exposure to empty the contents of his secret satchel onto the virtual table, so that we can rummage through it. So without further ado, please put your hands together and give a warm Chandoo welcome to secret agent KV.

[Secret transmission starts…]

Hello, this is my first guest post on Chandoo.org (or any Excel website for that matter), and I will try to keep it simple, but useful for our readers.

I have been using spreadsheets since 1990, and Excel since 1995 – which sort of makes me a veteran in this sphere of business applications 🙂

One of my favorite topics in Excel is – “How can I make my day-to-day tasks in Excel easier and faster ?”. In fact, this is a topic that I think about in everything to do with computers.

There are many ways one can do this in Excel, but among the more effective and scalable ones, is storing commonly used macros in your Personal Macro Workbook.

This post is about some of the stuff that I have put in my Personal Macro Workbook over the years. You can read more about how to set up a Personal Macro Workbook, in this excellent tutorial on Ron de Bruin’s website. Like nuclear war, It’s a one-time exercise. And you can easily port it to any other computers that you use – or even share it with your friends and allied spooks.

This is the first bunch of macros which I use most frequently. Hopefully I will get a chance to post some more if this post is found to be good enough 🙂

So here goes.


1: Find the value of ActiveCell within selection, or in the whole sheet

This is a very useful macro which helps to search for the value in the ActiveCell within the selected range or the whole worksheet (if only ActiveCell is selected).


Sub SearchOnActiveCellContents()
' Keyboard Shortcut: Ctrl+Shift+G
    On Error GoTo NotFound

    If Selection.Cells.Count > 1 Then
        Selection.Cells.Find _
                (What:=ActiveCell.Value, After:=ActiveCell, LookIn:=xlValues, _
                 LookAt:=xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, _
                 MatchCase:=False, SearchFormat:=False).Activate
    Else
        Cells.Find _
                (What:=ActiveCell.Value, After:=ActiveCell, LookIn:=xlValues, _
                 LookAt:=xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, _
                 MatchCase:=False, SearchFormat:=False).Activate
    End If

    Exit Sub
NotFound:
    MsgBox "No cells found with this cell's contents"
End Sub


As you will notice, the macro checks whether the selection is 1 cell or multiple cells, and accordingly executes the Cells.Find command.

2: Filter on value NOT equal to ActiveCell value

This is another handy macro, which filters the current column based on the value of the active cell, except that the filter is applied as “show records NOT equal to the value of the active cell”
The macro itself is a fairly simple one-line command :


Sub AutoFilterSelectionNOT()
' Keyboard Shortcut: Ctrl+Shift+K
    Dim lField As Long
    lField = ActiveCell.Column - ActiveCell.CurrentRegion.Column + 1
    If TypeName(Selection) <> "Range" Then Exit Sub
    Selection.AutoFilter Field:=lField, Criteria1:="<>" & ActiveCell.Value
End Sub

3. Show or Hide zeros in active sheet

This macro toggles the display of zero-value cells on the active sheet.


Sub Hide_Zeros()
' Keyboard Shortcut: Ctrl+Shift+Z
    If TypeName(Selection) <> "Range" Then Exit Sub
    ActiveWindow.DisplayZeros = Not ActiveWindow.DisplayZeros
End Sub

4: Show or Hide page-breaks in active sheet

This macro toggles the display of page-breaks on the active sheet.

Sub ShowHidePageBreaks()
' Keyboard Shortcut: Ctrl+Shift+J

If TypeName(Selection) <> "Range" Then Exit Sub

ActiveSheet.DisplayPageBreaks = Not
ActiveSheet.DisplayPageBreaks
End Sub


As the name suggests , this macro will show or hide the display of page breaks on the active sheet.

5: Display the 'GoTo special' xldialog

Quite often I find myself needing to use the GoTo Special command.
Of course, you can do it the way it was designed in Excel – press F5 to display the GoTo dialog box, and click on the Special… button. This takes one keystroke and a mouse-click; or 3 keystrokes (if you don’t use the mouse) 🙂

Or you can display the Goto > Special… dialog box (using a macro) with just 1 click of the mouse or 2 keystrokes (if you pin it on the QAT) !



Sub xlSelectSpecial()

On Error GoTo NotFound
    If Selection.Cells.Count = 1 Then
        MsgBox "Select more than 1 cell...", vbExclamation, "Select more cells..."
        Exit Sub
    End If
    Application.Dialogs(xlDialogSelectSpecial).Show
Exit Sub
NotFound:
    myMsgText = "No such cells found"
    myTitle = "Not found"
    myConfig = vbOKOnly + vbExclamation
    myMessage = MsgBox(myMsgText, myConfig, myTitle)
End Sub

As you will notice, the macro has an error-checking line in case the type of ‘special cell’ you selected is not found. E.g. if you’re looking for blank cells in the selection, and all the cells in it are non-blank, the macro will display a message accordingly.

The macro also checks whether more than one cell is selected before executing the dialog. The reason for this is that if a single cell is selected, many of the options in the GoTo Special dialog box will execute on the entire ‘UsedRange’ of the spreadsheet, instead of the selected range.
If you wish, you can comment out the If … End If construct and test the macro to see what I mean.

6: Zoom-in / Zoom-out

These macros zoom in or zoom out on the worksheet, in increments of 5%.


Sub MyZoomIn()
' Keyboard Shortcut: Ctrl+E

    Dim ZP As Integer
    ZP = ActiveWindow.Zoom

    If ZP >= 400 Then
        ZP = 400
    Else
        ZP = ZP + 5
    End If

    ActiveWindow.Zoom = ZP
End Sub

Sub MyZoomOut()
' Keyboard Shortcut: Ctrl+Shift+E

    Dim ZP As Integer
    ZP = ActiveWindow.Zoom

    If ZP <= 10 Then
        ZP = 10
    Else
        ZP = ZP - 5
    End If

    ActiveWindow.Zoom = ZP
End Sub


As you will notice, will increase or decrease the zoom percentage by 5 points each time the macro is executed. The If… Then… Else… constructs are there to prevent an error if the current zoom percentage is already at the maximum or minimum level, when the macro is executed.

That’s all for this post from my side. I hope you will find it useful.

I welcome comments, suggestions for improvement & criticisms from readers on this topic, and the macros I have shared in this post.

[Secret transmission ended.]

Hey, thanks KV for sharing those shortcut-charged shortcuts. I look forward to torturing some more of that ill-gotten wisdom out of you. (While I don’t condone torture, I hate inefficient use of Excel even more. So while it’s going to hurt you more than me, it’s for the greater good.)

About the Author

KV is an undercover secret agent who spends his time rescuing the world from the crushing weight of evil, bloated spreadsheets.
kv_Casual

His mild-mannered alter ego - Khushnood Viccaji - is a freelance professional and an expert in Management Information Systems and Business Applications with a focus on Data Management, Analytics, Transformation, Auditing, and Reporting.
kv_Smart

Both these chaps have a flair for understanding and applying technology in business processes and an ability to present business information in many different ways. And one of them wears lycra.

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19 Responses to “How to Distribute Players Between Teams – Evenly”

  1. Roshan Thayyil says:

    An excellent solution, especially for large data sets.

    Another solution without using solver would be to assign the player with the highest score to Team 1, the 2nd to team 2, 3rd to team 3, 4th to team 3, 5th to team 2, 6th to team 1, 7th to team 1 and it continues. This method would end up with a Std Dev of 0.001247219. This works best with a distribution with lower Std Dev for the dataset.

    Full Disclosure: this is not my idea, remember reading something a few years ago. Think it may have been Ozgrid

    • Roshan Thayyil says:

      thinking back I now remember why I read about it. About 10 years back I had to distribute around 300 team members into 25-30 odd teams. Used this method based on their performance scores. I used the method I described to do this and the distribution was pretty fair.

      Solver would have saved me a ton of time though 🙂

  2. I think the issue with you first Solver approach was that you took the absolute value of the sum of team deviations (which should always be zero except for rounding) instead of the sum of the absolute values (which is a reasonable measure of how unbalanced the teams are).

  3. Here's another simple algorithm you could use: you start from the top (with players sorted from high to low), and at each step allocate the next player to whichever team has the smallest total so far. You can implement it dynamically with some formulas so it will update automatically when the data changes.

    If the scores were more widely distributed (so that this might end up with not all teams the same size), you could add a constraint to only pick among the teams which currently have fewest players at each step, or just stop adding to any team when it hits its quota.

    When I tried it on the sample, I got the three teams below, with a STDEV of 0.000942809 (i.e. about half of what Solver got to).

    Team 1: John, Hugo, Tom, Josh, Eric, Zane, Charles, Andrew
    Team 2: Barry, Michael, Kenny, Joe, Xavier, Patrick, Oliver, William
    Team 3: Henry, Steven, Ben, Frank, Kyle, Edward, Cameron, Lachlan

    Thanks for sharing!

    • Ishaan says:

      Hi,
      I was looking at all the solutions and this is closest to what I intended to do. I am dividing a bunch of players into 3 soccer teams. Players availability is also a factor while deciding the teams.
      So the steps the excel needs to do is as follows:
      1) In availability column if "yes" go to next
      2) Equally divide 'Goalkeepers', 'Strikers', 'Defenders' basis their quality
      So the end result gives each 3 teams a balance of players playing at different positions.
      Can this be done on Google spreadsheet with only availability as an input from the user and rest calculates by itself.
      Sorry for asking such a pointed question, but I have been struggling to find a solution for it for sometime now!

      • Robin says:

        Hi Ishaan,

        I am working on a similar problem at the moment, so I am wondering if you ever found a solution and if you are willing to share what you did.

  4. Konrad says:

    Hi everyone, this is a variation of the famous Knapsack Problem https://en.wikipedia.org/wiki/Knapsack_problem.

    I had to use a VBA implementation recently as part of a problem, where we ar trying to allocate teams of an organization into different locations (we are a large company with many different team). The goal was to optimally allocate teams to individual buildings without putting too many teams into one building and not splitting teams apart.
    As we had around 400 teams of different sizes, solver couldn't handle it anymore. Luckily there is a Knapsack algorithm implementation in VBA readily available on the internet :).

    I also went with a heuristic approach first!

  5. Joe Egan says:

    An interesting mathematical solution but what if Eric and Xavier can't stand each other or Patrick is best friends with Steven - the real life problems that effect "even" teams.

    • Hui... says:

      @Joe

      You can add more criteria like
      If Eric and Xavier can't stand each other
      =OR(AND(E15=1,E16=1),AND(F15=1,F16=1),AND(G15=1,G16=1))
      It must be False

      If Patrick is best friends with Steven
      =OR(AND(E5=1,E17=1),AND(F5=1,F17=1),AND(G5=1,G17=1))
      It must be True

      Note that the 2 formulas above are exactly the same
      except for the ranges
      One must be True = Friends
      One must be False = Not Friends

  6. Gustavo Sousa says:

    Nice post Hui!

    I download your workbook and just try to change in options the Precision Restriction from 10E-6 to 10-8 and the Convergence from 10E-4 to 10E-10. The process take almost the same time, but the results was great.

    The standard deviation I got was 0,000471.

    Team 1: John, Tom, Kenny, Frank, Eric, Xavier, Edward, Zane
    Team 2: Steven, Hugo, Ben, Joe, Josh, Oliver, Cameron, William
    Team 3: Barry, Henry, Michael, Kyle, Patrick, Charles, Andrew, Lachlan

  7. Charlie says:

    Great application of Solver! Thanks for the link!

  8. Chuck says:

    Great explanation. Well done... However, I tried with 6 teams of 4 players and solver never did finish.

  9. Akbar says:

    How about vba code for the same data set.
    I have 3 column A B C wherein A has text and B has number Wherein C is blank. And in C1 been the header C2 where I want the name to come evenly distributed the number which is in Column B.
    My Lastcolumn is 1000.

  10. HRMFT says:

    Sorry if I'm being slow here, but how is 'Team Score' calculated? I've gone through the explanation several times but it seems to just appear.

    • Hui... says:

      @Hrmft

      This process uses the Solver Excel addin

      Solver is effectively taking the model and trying different solutions until it gets a solution that meets all the criteria
      Then solver puts the solution into the cell and moves to the next cell

      So yes it appears to "just appear"

  11. Caroline says:

    Hi ! Thank you so much ! Works great 🙂

  12. Jim Cruse says:

    I cannot get the fourth Equation to work in my excel spreadsheet
    You have =($E$2:$G$25=0)+($E$2:$G$25=1)=1 as a SUMIF solution, I have, =($F$2:$H$13=0)+($F$2:$H$13=1)=1 as my solution but it does not work. The only thing I changed is the ranges. Any suggestions?
    Thank you.
    Jim

  13. Jim Cruse says:

    I cannot get the fourth Equation of TURE or FALSE statements to work in my excel spreadsheet You have =($E$2:$G$25=0)+($E$2:$G$25=1)=1 as a SUMIF solution, I have, =($F$2:$H$13=0)+($F$2:$H$13=1)=1 as my solution but it does not work. The only thing I changed is the ranges. Any suggestions?
    Sorry I left some of it out in the previous question,
    Thank you. Jim

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