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13/08/2018 3:05 pm
Two figures use different units and one axis is logarithmic. How should a comparison be documented?
Record format: question; proposed response; source or method; limitation. Use a dated correction only if the underlying wording or evidence changes. Record RESEARCH-02048.
13/08/2018 4:00 pm
Record the original units and axis transformation, show any conversion explicitly and retain the original values. Do not compare apparent visual distances across incompatible scales.
13/08/2018 4:22 pm
Clarification for “Units and scale: prevent a silent comparison error”: the point beginning “Record the original units and axis transformation, show any conversion…” belongs to the question as written. It should not be read as a report that a new check, purchase or experiment has been completed. Review focus: scope. Keep the stated question separate from any broader claim.
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