https://dataleaf-642346.gitlab.io/categories/notebook/Recent content in Notebook on DataLeafHugoen-USFri, 14 Nov 2025 00:00:00 +0000https://dataleaf-642346.gitlab.io/posts/rerunning-an-old-analysis/Fri, 14 Nov 2025 00:00:00 +0000https://dataleaf-642346.gitlab.io/posts/rerunning-an-old-analysis/<p>A reviewer asked for one more column in a table produced two years ago. Adding a column means rerunning the analysis, and rerunning it means first showing that the old numbers come back. This entry records what that took.</p> <div class="dataleaf-heading"><h2 id="checklist">Checklist</h2> <a class="dataleaf-heading-anchor" href="#checklist" aria-label="Permalink to Checklist" data-heading-anchor data-heading-copy="Copy link to Checklist" data-heading-copied="Copied link to Checklist.">#</a> </div> <ul> <li><input checked="" disabled="" type="checkbox"> Check out the tagged commit that produced the submitted table</li> <li><input checked="" disabled="" type="checkbox"> Recreate the environment from the lock file</li> <li><input checked="" disabled="" type="checkbox"> Verify the input data against the recorded checksums</li> <li><input checked="" disabled="" type="checkbox"> Rerun the pipeline end to end and compare every cell</li> <li><input disabled="" type="checkbox"> Record the seed of every random step</li> <li><input disabled="" type="checkbox"> Add the new column and log the rerun</li> </ul> <p>The first four steps took an afternoon:</p>