Reference health
Using principal component analysis in process performance for multivariate data
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10/10 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
11 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 10 checked references that resolve
resolves10.1080/00224065.1992.11979403
Distributional and Inferential Properties of Process Capability Indices
resolves10.1080/00224065.1980.11980967
Principal Components and Factor Analysis: Part I—Principal Components
The 11 references without a DOI — listed, not checked
no DOI — not checked10.1016/S0305-0483(99)00036-5_BIB3
no DOI — not checked10.1016/S0305-0483(99)00036-5_BIB4
no DOI — not checkedWierda SJ. A multivariate process capability index. ASQC Quality Congress Transactions 1993;342–8
no DOI — not checkedA multivariate process capability index over a rectangular solid tolerance zone
no DOI — not checkedA multivariate process capability vector
no DOI — not checkedShahriari H. A contribution to multivariate statistical process control. Unpublished Ph.D. dissertation. Arizona State University, Tempe, 1992
no DOI — not checked10.1016/S0305-0483(99)00036-5_BIB13
no DOI — not checkedWang FK. Statistical evaluation of the quality of manufacturing features with geometric dimensioning and tolerancing specifications. Unpublished Ph.D. dissertation. Arizona State University, Tempe, 1996
no DOI — not checked10.1016/S0305-0483(99)00036-5_BIB17
no DOI — not checkedIMSL Stat Library. Microsoft Fortran Power Station, Version 4.0, 1995
no DOI — not checked10.1016/S0305-0483(99)00036-5_BIB19
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