nf-core/pathogensurveillance

Add alternative to `report_group_ids` column that takes column names to base groups on

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#158 opened on Apr 2, 2025

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good first issue

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Description

Similar to color_by, there could be a column called report_group_by that takes one or more column names and a report is made for each combination of values in those columns present in the input. This could work along side report_group_ids by converting the report_group_by into IDs and combining the IDs from the two columns.

Contributor guide

Research direction
Examine how the `report group ids` column is currently implemented and processed. Then create a similar mechanism for `report group by` that accepts column names and generates grouping IDs accordingly.
Tech stack
groovy
Domain
data
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GroovyNextflow
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70