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22/02/2018 10:03 am
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-00368.
22/02/2018 11:43 am
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.
22/02/2018 12:09 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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