The Four-Step Cleaning Triage
Apply DMAIC to triage a data-cleaning defect.
Cleaning fork At 10:15, a campaign dashboard shows conversion at 0.3 percent instead of the usual 4 percent. Marketing assumes the campaign failed; analytics suspects tracking defects. The first move determines whether you learn or simply overwrite. DMAIC process improvement DMAIC gives cleaning work a disciplined sequence: define the defect, measure its current size, analyze likely causes, improve with a targeted rule, then control recurrence. The order matters. If you improve before measuring, you cannot prove the fix. If you control before analyzing, you monitor the wrong thing. Move from problem definition to measurement before repair. Define the problem before…
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