Preface |
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xiii | |
Acknowledgements |
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xv | |
Biography of First Author |
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xvii | |
Biography of Second Author |
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xviii | |
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1 | (18) |
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1.1 Concept of Process Capability Index |
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2 | (3) |
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1.2 Process Capability Indices in Six Sigma, Lean Six Sigma, and Design for Six Sigma (DFSS) |
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5 | (2) |
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1.3 Concept of Multivariate Process Capability Index (MPCI) |
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7 | (1) |
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1.4 Some Uses of Process Capability Indices |
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8 | (2) |
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1.5 Some Applications of MPCIs |
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10 | (2) |
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1.6 Overview of the Chapters |
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12 | (7) |
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15 | (4) |
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2 Some Useful Concepts of Univariate and Multivariate Statistics |
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19 | (27) |
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19 | (1) |
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2.2 Univariate Statistics |
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20 | (10) |
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2.2.1 Normal Distribution |
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20 | (1) |
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2.2.1.1 Properties of Normal Distribution |
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21 | (2) |
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2.2.2 Radial Error Distribution |
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23 | (1) |
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2.2.3 Folded Normal Distribution |
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24 | (2) |
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2.2.4 Uniform Distribution |
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26 | (1) |
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2.2.5 Log-Normal Distribution |
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27 | (1) |
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2.2.6 Exponential Distribution |
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28 | (2) |
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2.3 Estimation of Process Mean and Variance Using Control Chart Information |
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30 | (3) |
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2.3.1 Estimation of Process Mean and Variance Based on X-R Chart Information |
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31 | (1) |
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2.3.2 Estimation of Process Mean and Variance Based on X -- S Chart Information |
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32 | (1) |
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2.4 Some Bayesian Concepts |
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33 | (1) |
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2.5 Multivariate Statistics |
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34 | (4) |
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2.5.1 Multivariate Normal Distribution |
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35 | (1) |
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2.5.2 Multivariate Folded Normal Distribution |
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36 | (2) |
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2.6 Principal Component Analysis (PCA) |
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38 | (1) |
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39 | (7) |
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41 | (5) |
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3 Univariate Process Capability Indices |
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46 | (32) |
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46 | (1) |
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3.2 Univariate Process Capability Indices for Symmetric Specification Limits |
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47 | (4) |
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3.2.1 Unification of Univariate PCIs for Symmetric Specification Limits |
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50 | (1) |
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3.3 Univariate Process Capability Indices for Asymmetric Specification Limits |
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51 | (5) |
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3.3.1 Unification of Univariate PCIs for Asymmetric Specification Limits |
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53 | (3) |
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3.4 Univariate Process Capability Indices for Unilateral (Onesided) Specification Limits |
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56 | (7) |
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3.4.1 Unification of Univariate PCIs for Unilateral Specification Limits |
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58 | (5) |
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3.5 Univariate Process Capability Indices for Non-Normal Distributions |
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63 | (4) |
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3.6 Univariate Process Capability Indices PNC |
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67 | (1) |
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3.7 Univariate Process Capability Assessments Using Bayesian Approach |
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68 | (1) |
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68 | (10) |
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70 | (8) |
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4 Bivariate Process Capability Indices (BPCIs) |
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78 | (34) |
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78 | (1) |
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4.2 Bivariate Generalization of Univariate PCIs for Bilateral Specification Limits |
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79 | (8) |
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4.3 Bivariate Generalization of Univariate PCIs for Unilateral Specification Limits |
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87 | (1) |
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4.4 Bivariate PCIs for Circular Specification Region |
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88 | (17) |
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105 | (2) |
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105 | (1) |
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106 | (1) |
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107 | (5) |
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108 | (4) |
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5 Multivariate Process Capability Indices for Bilateral Specification Region Based on Principal Component Analysis (PCA) |
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112 | (18) |
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112 | (1) |
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5.2 MPCIs Analogous to Univariate PCIs viz., Cp, Cpk, Cpm, and Cpmk |
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113 | (4) |
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5.2.1 Probability-Based MPCI Based on First Few Principal Components |
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115 | (2) |
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5.3 PCA-Based MPCIs with Unequal Weighting |
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117 | (1) |
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5.4 PCA-Based MPCIs Similar to Taam et al.'s [ 12] Ratio-Based MPCIs |
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118 | (2) |
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5.5 MPCIs Based on First Principal Component Only |
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120 | (3) |
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5.6 Some Other PCA-Based MPCIs |
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123 | (1) |
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123 | (2) |
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125 | (5) |
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127 | (3) |
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6 Ratio-Based Multivariate Process Capability Indices for Symmetric Specification Region |
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130 | (38) |
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130 | (1) |
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6.2 MPCIs Defined as Multivariate Analogue of Cp |
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131 | (11) |
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6.3 MPCIs Defined as Multivariate Analogue of Cpk |
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142 | (5) |
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6.4 MPCIs Defined as Multivariate Analogue of Cpm |
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147 | (10) |
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6.5 CG(u,v) - A Super-structue of MPCIs |
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157 | (3) |
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160 | (3) |
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163 | (5) |
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164 | (4) |
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7 Multivariate Process Capability Indices for Asymmetric Specification Region |
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168 | (22) |
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168 | (1) |
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7.2 MPCIs Generalizing Cp(v,v) for v - 0,1 and v -- 0,1 - A Geometric Approach (Grau [ 11]) |
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169 | (5) |
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7.3 Multivariate Analogue of C'p (v, v), for v = 0,1 and v = 0,1 - An Alternative Approach |
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174 | (3) |
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7.3.1 Interrelationships between the Member Indices of Cm(v,v) for v = 0,1 and v = 0,1 |
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175 | (2) |
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7.4 Threshold Value of CM(0,0) |
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177 | (7) |
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177 | (4) |
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7.4.2 For Multivariate Case |
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181 | (1) |
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7.4.3 Plug-in Estimators of the Member Indices of Cmv,v) for v = 0,1 and V = 0,1 and Their Estimation Procedures |
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182 | (2) |
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184 | (2) |
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186 | (4) |
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188 | (2) |
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8 Multivariate Process Capability Indices for Unilateral Specification Region |
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190 | (12) |
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190 | (1) |
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8.2 MPCI for Unilateral Specification Region Based on Proportion of Nonconformance |
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191 | (4) |
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8.3 MPCI for Unilateral Specification Region Based on Principal Component Analysis |
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195 | (1) |
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196 | (3) |
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199 | (3) |
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200 | (2) |
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9 Multivariate Process Capability Indices Based on Proportion of Nonconformance |
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202 | (12) |
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202 | (1) |
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9.2 MPCIs Based on Location-Scale Family of Distributions |
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203 | (2) |
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9.3 Other MPCIs Based on Proportion of Conformance or Nonconformance |
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205 | (9) |
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211 | (3) |
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10 Multivariate Process Capability Indices for Quality Characteristics Having Nonnormal Statistical Distributions |
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214 | (22) |
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214 | (1) |
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10.2 MPCIs for Nonnormal Data Using Principal Component Analysis |
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215 | (2) |
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10.3 MPCIs for Multivariate Nonnormal Data Using Distance Approach |
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217 | (4) |
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10.4 MPCIs Using Multivariate g and h Distribution |
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221 | (1) |
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10.5 MPCIs for Multivariate Nonnormal Processes Using Skewness Reduction Approach |
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222 | (4) |
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10.6 Nonparametric MPCIs for Nonnormal Processes |
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226 | (4) |
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230 | (1) |
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231 | (5) |
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233 | (3) |
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11 Multivariate Process Capability Indices Based on Bayesian Approach |
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236 | (12) |
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236 | (2) |
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11.2 Cb(D): A Bayesian MPCI Analogous to Cpk |
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238 | (2) |
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11.3 Vector Valued Multivariate Analogues of Cp and Cpk from Bayesian Perspective |
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240 | (3) |
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243 | (2) |
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245 | (3) |
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246 | (2) |
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12 Multivariate Process Capability Indices for Auto correlated Data |
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248 | (8) |
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248 | (1) |
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12.2 MPCIs Analogous to Cp for Autocorrelated Processes |
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249 | (2) |
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12.3 MPCIs Analogous to Cpm for Autocorrelated Processes |
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251 | (1) |
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12.4 MPCIs for Autocorrelated Processes Having Unilateral Specification Region |
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251 | (1) |
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252 | (1) |
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253 | (3) |
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254 | (2) |
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13 Multivariate Process Capability Vectors |
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256 | (24) |
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256 | (1) |
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13.2 Multivariate Process Capability Vectors for Bilateral Specification Region - A Modification of Traditional MPCIs |
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257 | (6) |
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13.3 Multivariate Process Capability Vector Based on One-Sided Models |
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263 | (5) |
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13.4 Multivariate Process Incapability Vector |
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268 | (3) |
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13.5 An MPCV for Both the Unilateral and Bilateral Specification Regions |
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271 | (3) |
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274 | (3) |
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277 | (3) |
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278 | (2) |
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14 MPCIs Denned by Other Miscellaneous Approaches |
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280 | (34) |
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280 | (1) |
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14.2 Priority-Based Multivariate Process Capability Indices (MPCIs) |
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280 | (6) |
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14.3 MPCIs Based on Concepts of Linear Algebra |
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286 | (2) |
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288 | (5) |
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14.5 MPCIs Defined on Process-Oriented Basis |
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293 | (2) |
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14.6 Multivariate Process Performance Analysis with Special Emphasis on Accuracy and Precision |
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295 | (3) |
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14.7 Multivariate Process Capability Analysis Using Fuzzy Logic |
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298 | (6) |
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14.7.1 A Fuzzy Logic-Based MPCI |
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300 | (2) |
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14.7.2 Fuzzy Multivariate Process Capability Vector |
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302 | (2) |
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14.8 MPCIs for Processes Having Linear and Nonlinear Profiles |
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304 | (6) |
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14.8.1 MPCIs for Simple Linear Profile |
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304 | (3) |
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14.8.2 MPCIs for Multivariate Nonlinear Profiles |
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307 | (3) |
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310 | (4) |
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311 | (3) |
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314 | (14) |
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314 | (1) |
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15.2 Supplier Selection Based on Multivariate Process Capability Analysis |
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314 | (5) |
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15.2.1 Supplier Selection Problem for Processes Having Symmetric Bilateral Specification Region |
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315 | (1) |
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15.2.2 Supplier Selection Problem for Processes Having Unilateral Specification Region |
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316 | (3) |
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15.2.3 Supplier Selection Problem for Processes Having Asymmetric Specification Region |
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319 | (1) |
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15.3 Assessing Process Capability of Multivariate Processes Affected by Gauge Measurement Error |
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319 | (3) |
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15.3.1 Impact of Gauge Measurement Error on MCP |
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320 | (1) |
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15.3.2 MPCIs Based on Principal Component Analysis for Processes Affected by Measurement Error |
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321 | (1) |
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15.4 Multiresponse Optimization Using MPCIs |
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322 | (2) |
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324 | (4) |
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325 | (3) |
Conclusion |
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328 | (2) |
Index |
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330 | |