Switching row labels and data from multiple columns around

[phountain]

It seems like there could be a relatively easy solution to this, but my knowledge of excel lingo is so poor that I'm having trouble googling relevant stuff.

I have a table of courses (1,2,3) and teachers (a,b,c,d), which I'd like to dynamically flip (kinda transpose, but not quite) by teacher. A course can have multiple teachers (or none) and a teacher can teach multiple courses. If that's what it takes, I'll be happy to do VBA too.

Any nudges toward the right direction?

This is what I have:

1	c
2	b	c	d
3	a

This is what I'd like to see dynamically updating:

a	3
b	2
c	1	2
d	2

[alansidman]

With Power Query

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Excel 2016 (Windows) 32 bit

	A	B	C
1	Value	1	2
2	a	3
3	b	2
4	c	1	2
5	d	2

Sheet: Sheet2

Power Query is a free AddIn for Excel 2010 and 2013, and is built-in functionality from Excel 2016 onwards (where it is referred to as "Get & Transform Data").

It is a powerful yet simple way of getting, changing and using data from a broad variety of sources, creating steps which may be easily repeated and refreshed. I strongly recommend learning how to use Power Query - it's among the most powerful functionalities of Excel.

- Follow this link to learn how to install Power Query in Excel 2010 / 2013.

- Follow this link for an introduction to Power Query functionality.

- Follow this link for a video which demonstrates how to use Power Query code provided.

[Glenn Kennedy]

... or with a formula:

in F3, copied down:
=IFERROR(INDIRECT(TEXT(AGGREGATE(15,6,(ROW($B$3:$D$5)*100+COLUMN($B$3:$D$5))/(($B$3:$D$5<>"")*(COUNTIF($F$2:F2,$B$3:$D$5)=0)),1),"R0C00"),FALSE),"")

and in G3, copied across and down:
=IF($F3="","",IFERROR(INDEX($A:$A,MOD(AGGREGATE(15,6,(COLUMN($B$3:$D$3)*1000000)+ROW($B$3:$D$5)/($B$3:$D$5=$F3),COLUMNS($G3:G3)),1000)),""))

see the sheet, as you may need ; as the separator.