Sample size requirements to test the equality of raters' precision
Exact and approximate methods are developed to calculate the required number of subjects n in a repeatability study, where repeatability is measured by the precision of measurements made by a rater. The exact method is based on power calculations under the non-null distribution of the multiple coefficient of determination, which requires intensive numerical computation. The approximate method is based on predictions from families of non-linear curves fitted by the method of least squares.
Year of publication: |
2000
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Authors: | Shoukri, M. M. ; Demirkaya, O. |
Published in: |
Journal of Applied Statistics. - Taylor & Francis Journals, ISSN 0266-4763. - Vol. 27.2000, 4, p. 483-494
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Publisher: |
Taylor & Francis Journals |
Saved in:
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