Thread: Difference since last Occurrence

Hi and welcome to the board

To best describe or illustrate your problem you would be better off attaching a dummy workbook, the workbook should contain the same structure and some dummy data of the same type as the type you have in your real workbook - so, if a cell contains numbers & letters in this format abc-123 then that should be reflected in the dummy workbook. Don't upload a picture when you have a workbook. None of us is inclined to recreate your data. Upload the workbook and manually add an 'after' situation so that we can see what you expect. In addition clearly explain how you get the results.

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In cell B11, paste:

=ROW()-MATCH(A11,$A$1:$A$10,0)-COUNTIF($A$11:A11,">"&A11)

then autofill down.

Cheers,

If you are trying to count the unique numbers between last occurrences to previous, try this.

B11, ARRAY FORMULA, copy down.

=SUM(SIGN(FREQUENCY(INDEX(A:A,MATCH(2,1/(A$1:A10=A11))):A11,INDEX(A:A,MATCH(2,1/(A$1:A10=A11))):A11)))

If the numbers always be <10, try,

=SUM(SIGN(FREQUENCY(INDEX(A:A,MATCH(2,1/(A$1:A10=A11))):A11,{0;1;2;3;4;5;6;7;8;9})))

Skillz
Don't quote whole posts -- it's just clutter.

If you are responding to a post out of sequence, limit quoted content to a few relevant lines that makes clear to whom and what you are responding.

One way is, use a helper column.

See the attached.

Hope expert will have a more efficient way without helper.


Col_D is the helper column, you can change this to your own columns, just link the column in INDEX.