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Title: Lies, Damned Lies, and the Statistics of Data Fitting
Author: Richard Steven Eric Harman Terry Cousins
Source: 2017 North Sea Flow Measurement Workshop
Year Published: 2017
Abstract: A core requirement for achieving low uncertainty flow metering is that each step of the quality control process has integrity and is rigorously adhered to. Calibration is a critical part of many flow meter quality control procedures. The calibration process consists not only of testing the flow meter at a reputable flow laboratory across the appropriate flow conditions, but also of how that recorded data is subsequently implemented into the flow metering systems calculation routine. This second part of the calibration process, often called linearization, curve fitting, or data fitting, is a critical part of flow meter quality control. There are multiple ways of linearizing a flow meter, and yet, few meter manufacturers, end users, standards boards, or regulators have stated comprehensive published rules regarding this process.

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