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math – How do transform a "matrix"-table to one line for each entry in excel

Posted by: admin April 23, 2020 Leave a comment

Questions:

I have something like

  1  2  3
a x  o  x
b x  x  o
c o  o  o

and want to transform it into lines like

1 a x
1 b x
1 c x
2 a o
2 b x
2 c o
3 a x
3 b o
3 c o

by using a formula in the excel document. Playing with $ for assigning values for each row and column does give me proper results. Each time I have to do some manual changes to the formula.
Any hint how to write it the right way?

How to&Answers:

Suppose that your matrix in the cells A1:D4

in A6 put:

=OFFSET($A$1;0;QUOTIENT(ROW()-ROW($A$6);3)+1)

in B6 put:

=OFFSET($A$1;MOD(ROW()-ROW($A$6);3)+1;0)

in C6 put:

=VLOOKUP($B6;$A$1:$D$4;MATCH($A6;$A$1:$D$1;0);FALSE)

Den drag down (copying formulas) A6:C6 up to A14:C14

(I translate my formulas from italian so there could be some glitch)

PS: 3 in the formulas refers to the number of rows (and column) of the example.

Answer:

I know that it was answer years ago, BUT there is a much easier way to flatten the pivot table. This is also called the unpivot or reverse pivot.

see this:
https://www.youtube.com/watch?v=N3wWQjRWkJc
or this:
https://www.youtube.com/watch?v=pUXJLzqlEPk&list=LLzMcMocJLlJOCteGbfN3xvA&index=2