Array to Display Row of Data

Will you please attach a SMALL sample Excel workbook (10-20 rows of data is usually enough)? However, please give us an indication of the approximate number of rows of data you want the solution to work with (100, 1000, 100,000 or whatever). Please don't attach a picture of an Excel sheet (no-one will want to re-type all your stuff before starting).

1. It does NOT have to be your real sheet - mock up a SAMPLE if you need to. But not 1000's of rows!!! It makes manual checking so tedious. Whatever you do... make sure that all confidential information is removed first!!

2. Make sure that your sample data are truly REPRESENTATIVE of your real data. The use of unrepresentative data is very frustrating and can lead to long delays in reaching a solution.

3. Make sure that your desired solution is also shown (mock up the results manually).

4. Try to avoid using merged cells. They cause lots of problems!

Unfortunately the attachment icon doesn't work at the moment. So, to attach an Excel file you have to do the following: Just before posting, scroll down to Go Advanced and then scroll down to Manage Attachments. Now follow the instructions at the top of that screen.

Hello profess. Welcome to the forum.

This works if each group always contains 3 records. If else please let us know.

In the attached find in the shaded copy of 'Output' this formula in F2 and filled down.

Formula:

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Then in A2 filled down and across this formula.

Formula:

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Please post another example more representative of what you will be working with. It saves typing and inventing data/layout at this end and may reveal other details not mentioned so far. Please also include expected results as you did in the first upload. All these things can affect solution.

This proposal employs three helper columns, which may be moved and/or hidden for aesthetic purposes.
On the Data Set sheet column H, Group members, is populated using: =B2&C2&D2&E2&F2&G2
Column I, Group #, is populated using: =MATCH(H2,H$2:H2,0)
On the Output sheet column A is populated using: =IFERROR(AGGREGATE(15,6,'Data Set'!I$2:I$25,ROWS(A$1:A1)),"")
Column B is populated using: =IF(A5="","",INDEX('Data Set'!A$2:A$25,AGGREGATE(15,6,(ROW(A$2:A$25)-ROW(A$1))/('Data Set'!I$2:I$25=A5),COUNTIFS(A$5:A5,A5))))
Columns C:AB are populated using: =IF(A5="","",INDEX('Data Set'!J$2:J$25,MATCH($B5,'Data Set'!$A$2:$A$25,0)))
Let us know if you have any questions.