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Analyzing Residuals in Calibration Problems

Samuel D. Oman
Technometrics
Vol. 26, No. 4 (Nov., 1984), pp. 347-353
DOI: 10.2307/1269497
Stable URL: http://www.jstor.org/stable/1269497
Page Count: 7
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Analyzing Residuals in Calibration Problems
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Abstract

The analysis of residuals in the calibration or inverse-regression problem is considered. A statistic is proposed that is appropriate to the specific use of the regression equation in this context-namely, estimating x from y. The statistic, similar in spirit to Cook's distance, may be used to measure the influence a particular observation may have on future estimates of x from the calibration curve. It may also be used to measure the differences between estimates of x obtained using calibration curves based on different models. An example is given.

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