haku: @author Willemain, T. R. / yhteensä: 2
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Tekijä: | Willemain, T. R. Runger, G. C. |
Otsikko: | Designing control charts using an empirical reference distribution |
Lehti: | Journal of Quality Technology
1996 : JAN, VOL. 28:1, p. 31-38 |
Asiasana: | |
Vapaa asiasana: | STATISTISCHE QUALITÄTSKONTROLLE |
Kieli: | eng |
Tiivistelmä: | The authors address a problem of increasing practical interest: control charting in the absence of an assumed normal distribution. They analyze the sampling uncertainties of selecting control limits from the empirical distribution of a large sample of whatever statistic to be charted. They then relate the selections of the number of preliminary observations and control limits to on-target and off-target performance measures. The methodology is non-parametric, requiring only that the plotted statistics be independent and come from the same distribution. |
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