google-sheetslambdacountrankpartition
How to get the last row per group of category?
I want to label the last column with value 1 for the last record for each jobID, Product, Target. Please refer to table below.
| JobID | Product | Target | Expected Output |
|---|---|---|---|
| 1 | ABC1 | 0 | |
| 1 | ABC1 | 0 | |
| 1 | ABC1 | 0 | |
| 1 | ABC1 | 0 | 1 |
| 2 | ABC2 | 2 | |
| 2 | ABC2 | 2 | |
| 2 | ABC2 | 2 | |
| 2 | ABC2 | 2 | 1 |
| 3 | ABC3 | 1 | |
| 3 | ABC3 | 1 | |
| 3 | ABC3 | 1 | |
| 3 | ABC3 | 1 | 1 |
The target will always remain the same per jobid and product so it is basically repeating. I need to label the value 1 as shown in expected output for the last record per JobID, Product and Target. How can I achieve this in google sheets?
Solution
try the reverse search feature of XMATCH:
=INDEX(IFERROR(1/(1/LAMBDA(x, XMATCH(x, x,,-1)=SEQUENCE(ROWS(x)))(A2:A)*1)))
or:
=INDEX(IF(A2:A="",,IF(COUNTIFS(A2:A, A2:A, ROW(A2:A), ">="&ROW(A2:A))=1, 1, )))
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