# Combinations for Members in Meetings

Please Note: This article is written for users of the following Microsoft Excel versions: 97, 2000, 2002, and 2003. If you are using a later version (Excel 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Excel, click here: Combinations for Members in Meetings.

Bob has a worksheet that has member names down the left side and months of the year across the top. In each cell of the grid he enters the dates on which meetings occur that were attended by the member. Bob is looking for a way to tell at a glance who has not met with whom.

There are several ways that a solution to this problem can be approached. If your table design is flexible, you can "simplify" things by changing the way your table is laid out. Instead of putting months across the columns, you can simply have each column be a meeting date. Then, each cell could contain some sort of indicator (a number or a character) that indicates the person attended the meeting on that particular date. It would be a relatively easy process to figure out who had not met with whom:

1. Choose the key member, the one you want to check, and move him/her to the top of your data table.
2. Sort the data table horizontally on the key member row, so all the meetings that the key member attended are in the left-most columns.
3. Sort everyone except the key member vertically on the first three meeting dates. Everyone who met the key member in those three meetings is now at the top of the data table, just below the key member.
4. Move down the data table and select everyone who has not yet met the key member and sort on the next three meeting dates.
5. Repeat steps 3 and 4 until all meeting dates have been sorted.
6. Everyone remaining at the bottom of the data table (those not selected in steps 3 and 4) has never met the key member.

If you cannot change the format of your table, then a macro solution is called for. There are many approaches that could be used in a macro, but the following is perhaps the most direct:

```Sub PeopleNotMet()
Dim rTable As Range
Dim rOutput As Range
Dim iCols As Integer
Dim iCol As Integer
Dim iRows As Integer
Dim iRow As Integer
Dim iCompRow As Integer
Dim sNotMet As String
Dim sMet As String

Set rTable = Worksheets("Sheet1").Range("A1").CurrentRegion
Set rOutput = Worksheets("Sheet2").Range("a1")
sNotMet = "X"
sMet = ""

Application.ScreenUpdating = False
With rTable
iRows = .Rows.Count
iCols = .Columns.Count

.Columns(1).Copy
With rOutput
.PasteSpecial
.PasteSpecial Transpose:=True
Application.CutCopyMode = False
Range(.Offset(1, 1), .Offset(iRows - 1, _
iRows - 1)).Value = sNotMet
Range(.Offset(1, 1), .Offset(iRows - 1, _
iRows - 1)).HorizontalAlignment = xlCenter
End With
End With
With rTable.Cells(1)
For iRow = 1 To iRows - 1
For iCol = 1 To iCols - 1
For iCompRow = 1 To iRows - 1
If Not (IsEmpty(.Offset(iRow, iCol))) Then
If Not (IsEmpty(.Offset(iCompRow, iCol))) Then
If .Offset(iRow, iCol).Value = _
.Offset(iCompRow, iCol).Value Then _
rOutput.Offset(iRow, iCompRow).Value = sMet
End If
End If
Next
Next
Next
End With

Set rTable = Nothing
Set rOutput = Nothing
Application.ScreenUpdating = True
End Sub
```

This macro assumes a couple of things. First, it assumes that Bob's original data table is on Sheet1, starting in cell A1. Second, it assumes that the "who has not met with whom" table should be on Sheet2, beginning at cell A1. If these assumptions are correct, then when you run the macro, the table created on Sheet2 shows names down the left side and names across the top. The intersecting cells will contain either nothing (which means that the people have met) or a capital X (which means they have not met).

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (2304) applies to Microsoft Excel 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Excel (Excel 2007 and later) here: Combinations for Members in Meetings.

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