Hierarchical data combined into list for Google Sheets

hro5e

Board Regular
Joined
Jan 13, 2012
Messages
60
Good day.

I have a sheet of data, columns D:G

Column D is the "parent" of E, E is the parent of F and F is the parent of G.

example data below:
Column D
Column E
Column F
Column G
Bedroom 1BuildingInternal PartitionsFramework
Bedroom 1BuildingInternal PartitionsInsulation
Bedroom 2BuildingScreedSelf level
Bedroom 2DecorationPaintingUndercoat

Now I need a formula that will combine the data into a list:

the results should be as so: (each line is its own ROW)

Bedroom 1
> Building
>> Internal Partitions
>>> Framework
>>> Insulation
Bedroom 2
> Building
>> Screed
>>> Self level
> Decoration
>> Painting
>>> Undercoat

The ">" are just for explanation purposes.

Essentially the child data is grouped into the direct parent and so on.

This is my current formula which works fine for one parent and one child scenario. with a helper column

=ARRAYFORMULA(FLATTEN(IF('04'!A3:A = 1, '04'!D3:D, '04'!G3:G))).

Any assistance would be great
 

Excel Facts

What did Pito Salas invent?
Pito Salas, working for Lotus, popularized what would become to be pivot tables. It was released as Lotus Improv in 1989.
OK, so I used a pivot table, to format the data,

then used this formula to combine the data including blanks:
=ARRAYFORMULA(FLATTEN(IF(ROW('04-1'!A:A) <= MAX(ARRAYFORMULA(IF('04-1'!A:A<>"", ROW('04-1'!A:A)))), '04-1'!A:D, "")))

then in another column use this to get rid of the blanks:

=FILTER(E:E, E:E <> "")

neat work around, but a single formula would be useful (without using googlescript)
 
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