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In an Excel table, find rows corresponding to the 1st and the last non-empty cells in each column

 

In the Excel table below, columns from the 2nd to the 6th has empty cells.


 A B C D E F
1 StartDate QID1 QID2 QID3 QID4 QID5
2 10/03/2024 10:56 1 yes 3 2
3 10/03/2024 03:10 2 no 4 23
4 09/03/2024 19:25 3 yes 2 2
5 09/03/2024 11:40 4 no 1 yes
6 09/03/2024 03:55 5 yes 5 no
7 08/03/2024 20:10 6
8 08/03/2024 12:25 7 no
9 08/03/2024 04:40 8 yes
10 07/03/2024 20:55 9 no
11 07/03/2024 13:10 1 no no
12 07/03/2024 05:25 2 no no
13 06/03/2024 21:40 3 no no
14 06/03/2024 13:55 4 no
15 06/03/2024 06:10 5 no 3

Task: From each column from the 2nd to the 6th, find the first and the last non-empty cells and concatenate the cell values they correspond in the 1st column using "to".


 H I
1 QID1 06/03/2024 06:10 to 10/03/2024 10:56
2 QID2 06/03/2024 06:10 to 10/03/2024 10:56
3 QID3 09/03/2024 03:55 to 10/03/2024 10:56
4 QID4 06/03/2024 06:10 to 07/03/2024 13:10
5 QID5 09/03/2024 03:55 to 10/03/2024 10:56

Use SPL XLL to do this:

=spl("=d=E@2p(?),d.to(2,).(d(1)(~.pselect@z(~)) /""to""/ d(1)(~.pselect(~)))",A2:F15)

Picture1png

E@2p converts a two-layer sequence to a table sequence. pselect()function gets position of the first member that meets the specified condition; @z enables a search backwards. to(2,) gets members from the 2nd to the last; (1) represent the 1st member.

Source:https://stackoverflow.com/questions/78137689/power-query-find-first-and-last-non-blank-cell-in-each-column-and-reference-the


 
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