Preface |
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xi | |
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1 Principal Component Analysis |
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1 | (38) |
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1 | (1) |
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1.2 Why Analyse a Table with PCA? |
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2 | (1) |
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1.3 Clouds of individuals and Variables |
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3 | (4) |
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1.4 Centring and Reducing |
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7 | (1) |
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1.5 Fitting Clouds Ni and NK |
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7 | (9) |
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1.5.1 General Principles and Formalising Criteria |
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8 | (1) |
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1.5.2 Interpreting Criteria |
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9 | (1) |
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10 | (2) |
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1.5.4 Relationships Between the Analyses of the Two Clouds |
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12 | (2) |
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1.5.5 Representing the Variables |
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14 | (1) |
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15 | (1) |
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1.5.7 Vocabulary: Axes and Factors |
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15 | (1) |
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16 | (2) |
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1.6.1 Percentage of Inertia Associated with an Axis |
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16 | (1) |
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1.6.2 Contribution of One Point to the Inertia of an Axis |
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17 | (1) |
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1.6.3 Quality of Representation of a Point by an Axis |
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17 | (1) |
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1.7 First Example: 909 Baccalaureate Candidates |
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18 | (5) |
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1.7.1 Projected Inertia (Eigenvalues) |
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18 | (1) |
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1.7.2 Interpreting the Axes |
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19 | (3) |
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1.7.3 Methodological Remarks |
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22 | (1) |
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1.8 Supplementary Elements |
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23 | (3) |
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1.9 Qualitative Variables in PCA |
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26 | (3) |
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1.10 Second Example: Six Orange Juices |
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29 | (2) |
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31 | (8) |
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2 Multiple Correspondence Analysis |
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39 | (28) |
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39 | (1) |
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2.2 Complete Disjunctive Table |
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40 | (1) |
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41 | (1) |
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2.4 Clouds of Individuals and Variables |
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42 | (6) |
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2.4.1 Cloud of Individuals |
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43 | (2) |
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2.4.2 Cloud of Categories |
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45 | (1) |
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2.4.3 Qualitative Variables |
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46 | (2) |
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2.5 Fitting Clouds N, and NK |
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48 | (5) |
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2.5.1 Cloud of Individuals |
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48 | (2) |
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2.5.2 Cloud of Categories |
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50 | (1) |
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2.5.3 Relationships Between the Two Analyses |
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51 | (2) |
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2.6 Representing Individuals, Categories and Variables |
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53 | (1) |
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54 | (1) |
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2.8 Example: Five Educational Tools Evaluated by 25 Students |
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55 | (6) |
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55 | (2) |
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2.8.2 Analyses and Representations |
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57 | (2) |
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2.8.3 MCA/PCA Comparison for Ordinal Variables |
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59 | (2) |
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61 | (6) |
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3 Factorial Analysis of Mixed Data |
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67 | (12) |
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67 | (1) |
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3.2 Representing Variables |
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68 | (1) |
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3.3 Representing Individuals |
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69 | (1) |
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70 | (2) |
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72 | (1) |
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3.6 Example: Biometry of Six Individuals |
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72 | (2) |
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74 | (5) |
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4 Weighting Groups of Variables |
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79 | (22) |
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79 | (2) |
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4.2 introductory Numerical Example |
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81 | (1) |
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4.3 Weighting Variables in MFA |
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82 | (4) |
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4.4 Application to the Six Orange Juices |
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86 | (2) |
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4.5 Relationships with Separate Analyses |
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88 | (3) |
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91 | (1) |
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4.7 MFA in FactoMineR (First Results) |
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92 | (9) |
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5 Comparing Clouds of Partial Individuals |
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101 | (20) |
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101 | (2) |
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103 | (3) |
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5.3 Application to the Six Orange Juices |
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106 | (1) |
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107 | (3) |
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5.5 Distortions in Superimposed Representations |
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110 | (6) |
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5.5.1 Example (Trapeziums Data) |
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110 | (2) |
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5.5.2 Geometric Interpretation |
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112 | (2) |
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114 | (2) |
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5.6 Superimposed Representation: Conclusion |
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116 | (1) |
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5.7 MFA Partial Clouds in FactoMineR |
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116 | (5) |
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6 Factors Common to Different Groups of Variables |
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121 | (12) |
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121 | (5) |
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6.1.1 Measuring the Relationship between a Variable and a Group |
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122 | (1) |
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6.1.2 Factors Common to Several Groups of Variables |
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123 | (1) |
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6.1.3 Back to the Six Orange Juices |
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123 | (2) |
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125 | (1) |
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6.2 Relationship Between a Variable and Groups of Variables |
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126 | (1) |
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6.3 Searching for Common Factors |
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127 | (1) |
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6.4 Searching for Canonical Variables |
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128 | (1) |
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129 | (4) |
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6.5.1 Lg Relationship Measurement |
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129 | (1) |
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6.5.2 Canonical Correlation Coefficients |
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130 | (3) |
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7 Comparing Groups of Variables and Indscal Model |
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133 | (26) |
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7.1 Cloud NJ of Groups of Variables |
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133 | (2) |
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7.2 Scalar Product and Relationship Between Groups of Variables |
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135 | (4) |
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7.3 Norm in the Groups' Space |
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139 | (1) |
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7.4 Representation of Cloud N; |
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139 | (3) |
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139 | (3) |
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142 | (1) |
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142 | (2) |
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144 | (12) |
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144 | (2) |
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7.6.2 Estimating Parameters and Properties |
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146 | (2) |
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7.6.3 Example of an Indscal model via MFA (cards) |
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148 | (3) |
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7.6.4 Ten Touraine White Wines |
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151 | (5) |
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7.7 MFA in FactoMineR (groups) |
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156 | (3) |
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8 Qualitative and Mixed Data |
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159 | (30) |
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159 | (3) |
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8.1.1 Cloud of Categories in Weighted MCA |
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160 | (1) |
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8.1.2 Transition Relations in Weighted MCA |
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160 | (2) |
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8.2 MFA of Qualitative Variables |
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162 | (6) |
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8.2.1 From the Perspective of Factorial Analysis |
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162 | (1) |
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8.2.2 From the Perspective of Multicanonical Analysis |
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163 | (2) |
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8.2.3 Representing Partial Individuals |
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165 | (1) |
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8.2.4 Representing Partial Categories |
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166 | (1) |
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8.2.5 Analysing in Space of Groups of Variables (R12) |
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166 | (2) |
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168 | (4) |
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8.3.1 Weighting the Variables |
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168 | (1) |
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169 | (3) |
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8.4 Application (Biometry2) |
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172 | (11) |
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172 | (2) |
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8.4.2 Inertias in the Overall Analysis |
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174 | (1) |
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8.4.3 Coordinates of the Factors of the Separate Analyses |
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175 | (1) |
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176 | (4) |
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180 | (1) |
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180 | (1) |
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8.4.7 Representing Groups of Variables |
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181 | (2) |
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183 | (1) |
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8.5 MFA of Mixed Data in FactoMineR |
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183 | (6) |
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9 Multiple Factor Analysis and Procrustes Analysis |
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189 | (22) |
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189 | (3) |
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189 | (1) |
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190 | (1) |
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9.1.3 Methods and Variations |
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190 | (2) |
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9.2 Comparing MFA and GPA |
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192 | (7) |
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192 | (1) |
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193 | (1) |
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9.2.3 Objective, Criterion, Algorithm |
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193 | (2) |
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9.2.4 Properties of the Representations of NjI |
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195 | (1) |
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195 | (1) |
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9.2.6 Harmonising the Inertia of NjI |
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196 | (1) |
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9.2.7 Relationships Between Homologous Factors |
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196 | (1) |
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9.2.8 Representing Individuals |
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197 | (1) |
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9.2.9 Interpretation Aids |
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198 | (1) |
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9.2.10 Representing the Variables |
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199 | (1) |
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9.3 Application (Data 23--1) |
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199 | (7) |
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199 | (2) |
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201 | (2) |
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203 | (3) |
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9.4 Application to the Ten Touraine Wines |
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206 | (1) |
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207 | (1) |
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208 | (3) |
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10 Hierarchical Multiple Factor Analysis |
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211 | (28) |
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211 | (1) |
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10.2 Hierarchy and Partitions |
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212 | (2) |
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10.3 Weighting the Variables |
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214 | (1) |
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10.4 Representing Partial Individuals |
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215 | (4) |
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215 | (2) |
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10.4.2 Application to the Six Orange Juices |
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217 | (2) |
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10.5 Canonical Correlation Coefficients |
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219 | (1) |
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10.6 Representing the Nodes |
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220 | (1) |
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10.7 Application to Mixed Data: Sorted Napping® |
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221 | (10) |
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10.7.1 Data and Methodology |
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221 | (2) |
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10.7.2 Intermediary Analysis: MFA on a Sorted Nappe |
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223 | (2) |
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10.7.3 Decompositions of Inertia |
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225 | (1) |
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10.7.4 Representing Partial and Mean Individuals |
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226 | (5) |
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231 | (8) |
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11 Matrix Calculus and Euclidean Vector Space |
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239 | (10) |
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239 | (4) |
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11.2 Euclidean Vector Space |
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243 | (6) |
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11.2.1 Vector Space Endowed with the Usual Distance |
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243 | (2) |
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11.2.2 Euclidean Space Endowed with a Diagonal Metric |
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245 | (1) |
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11.2.3 Visualising a Cloud in a Space Endowed with a Metric Different from the Identity |
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246 | (3) |
Bibliography |
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249 | (4) |
Index |
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253 | |