Preface |
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xiii | |
Authors |
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xv | |
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1 | (8) |
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1 | (1) |
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2 | (5) |
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1.3 Structure of the book |
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7 | (2) |
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2 Time series features and models |
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9 | (18) |
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9 | (1) |
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10 | (2) |
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2.3 Autocorrelation and partial autocorrelation functions |
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12 | (3) |
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15 | (2) |
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15 | (1) |
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2.4.2 Non-stationary models |
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16 | (1) |
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17 | (1) |
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2.5 Spectral representation of time series |
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17 | (3) |
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18 | (2) |
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2.5.2 Smoothed periodogram |
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20 | (1) |
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2.6 Wavelet representation of time series |
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20 | (5) |
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2.6.1 Discrete wavelet transform (DWT) |
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21 | (1) |
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2.6.2 Modified discrete wavelet transform (MODWT) |
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22 | (1) |
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22 | (2) |
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2.6.4 Wavelet correlation |
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24 | (1) |
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25 | (2) |
I Unsupervised Approaches: Clustering Techniques for Time Series |
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27 | (136) |
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3 Traditional cluster analysis |
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29 | (8) |
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29 | (1) |
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30 | (1) |
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3.3 Hierarchical clustering |
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31 | (2) |
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3.4 Non-hierarchical clustering (partitioning clustering) |
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33 | (2) |
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3.4.1 c-Means clustering method |
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33 | (1) |
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3.4.2 c-Medoids clustering method |
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34 | (1) |
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3.5 Some cluster validity criteria |
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35 | (2) |
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3.5.1 Calinski and Harabasz criterion |
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35 | (1) |
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3.5.2 Silhouette criterion |
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35 | (2) |
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37 | (12) |
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37 | (1) |
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4.2 Fuzzy c-Means (FcM) clustering |
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38 | (1) |
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4.3 Cluster validity criteria |
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39 | (2) |
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4.3.1 Criteria based on partition coefficient and partition entropy |
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39 | (1) |
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4.3.2 The Xie-Beni criterion |
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40 | (1) |
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4.3.3 The Silhouette criterion |
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40 | (1) |
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4.4 Fuzzy c-Medoids (FcMd) clustering |
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41 | (2) |
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4.5 Fuzzy clustering with entropy regularization |
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43 | (1) |
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4.6 Robust fuzzy clustering |
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44 | (5) |
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4.6.1 Fuzzy clustering with noise cluster |
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44 | (1) |
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4.6.2 Fuzzy clustering with exponential distance |
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45 | (1) |
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4.6.3 Trimmed fuzzy clustering |
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46 | (3) |
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5 Observation-based clustering |
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49 | (18) |
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49 | (1) |
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5.2 Observation-based distance measures |
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49 | (5) |
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5.2.1 Dynamic time warping |
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51 | (3) |
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54 | (13) |
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6 Feature-based clustering |
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67 | (44) |
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68 | (1) |
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6.2 Time domain features - Autocorrelations and partial autocorrelations |
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68 | (5) |
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6.2.1 Crisp clustering methods |
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68 | (3) |
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6.2.2 Fuzzy clustering methods |
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71 | (2) |
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6.3 Time domain features - Quantile autocovariances |
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73 | (4) |
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6.3.1 QAF-based fuzzy c-medoids clustering model (QAF-FcMdC model) |
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74 | (3) |
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6.4 Time domain features - Variance ratios |
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77 | (3) |
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6.4.1 Variance ratio tests |
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77 | (3) |
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6.4.2 Variance ratio-based metric |
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80 | (1) |
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6.5 Other time domain clustering methods |
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80 | (1) |
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6.6 Frequency domain features - Spectral ordinates |
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81 | (6) |
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6.6.1 Crisp clustering methods |
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81 | (2) |
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6.6.2 Fuzzy clustering methods |
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83 | (4) |
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6.7 Frequency domain clustering methods for time series of unequal lengths |
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87 | (9) |
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89 | (1) |
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6.7.2 Comparison of processes with similar sample characteristics with simulated time series |
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89 | (3) |
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6.7.3 Clustering AR MA and ARIMA processes with simulated time series of unequal lengths |
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92 | (4) |
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6.8 Other frequency domain clustering methods |
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96 | (1) |
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6.9 Wavelet-based features |
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97 | (6) |
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6.10 Other feature-based applications |
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103 | (8) |
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6.10.1 Comparison between trend-stationary and difference-stationary processes |
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103 | (4) |
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6.10.2 Comparison of processes with different characteristics of persistence |
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107 | (4) |
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111 | (42) |
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112 | (1) |
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7.2 Autoregressive expansions |
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113 | (7) |
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7.2.1 AR(infinity) and MA(infinity) coefficients-based distances |
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113 | (1) |
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7.2.2 AR coefficients-based distance |
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114 | (5) |
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7.2.3 ARMA(p,q) coefficents-based distance |
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119 | (1) |
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120 | (1) |
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121 | (2) |
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7.4.1 Clustering based on forecast densities |
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121 | (1) |
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7.4.2 Clustering based on the polarization of forecast densities |
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122 | (1) |
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123 | (1) |
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7.6 Generalized autoregressive conditional heteroskedasticity (GARCH) models |
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124 | (14) |
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7.6.1 Unconditional, Minimum and Time-varying Volatilities |
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126 | (2) |
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7.6.2 A GARCH-based metric for time series clustering |
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128 | (1) |
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7.6.3 A combined distance measure for heteroskedastic time series |
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129 | (2) |
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7.6.4 GARCH-based Fuzzy c-Medoids Clustering model (GARCH-FcMdC) |
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131 | (1) |
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7.6.5 GARCH-based Exponential Fuzzy c-Medoids Clustering model (GARCH-E-FcMdC) |
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131 | (1) |
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7.6.6 GARCH-based Fuzzy c-Medoids Clustering with Noise Cluster model (GARCH-NC-FcMdC) |
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132 | (2) |
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7.6.7 GARCH-based Trimmed Fuzzy c-Medoids Clustering model (GARCH-Tr-FcMdC) |
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134 | (4) |
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7.7 Generalized extreme value distributions |
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138 | (11) |
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7.8 Other model-based approaches |
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149 | (4) |
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8 Other time series clustering approaches |
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153 | (10) |
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153 | (1) |
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153 | (1) |
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8.3 Support vector clustering |
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154 | (1) |
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155 | (6) |
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8.4.1 Wavelet-based Self-Organizing Map (W-SOM) |
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155 | (6) |
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8.5 Other data mining algorithms |
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161 | (2) |
II Supervised Approaches: Classification Techniques for Time Series |
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163 | (34) |
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9 Feature-based approaches |
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165 | (26) |
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165 | (1) |
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9.2 Discriminant Analysis |
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166 | (1) |
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9.3 Frequency domain approaches |
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167 | (3) |
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9.4 Wavelet feature approaches |
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170 | (13) |
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9.4.1 Classification using wavelet variances |
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170 | (2) |
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9.4.2 Classification using wavelet variances and correlations |
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172 | (10) |
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9.4.3 Classification using evolutionary wavelet spectra |
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182 | (1) |
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9.5 Time-domain approaches |
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183 | (8) |
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9.5.1 Classification using shapes |
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183 | (1) |
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9.5.2 Classification using complex demodulation |
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184 | (7) |
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10 Other time series classification approaches |
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191 | (6) |
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191 | (1) |
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10.2 Classification trees |
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191 | (1) |
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10.3 Gaussian mixture models |
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192 | (1) |
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193 | (1) |
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10.5 Nearest neighbours methods |
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193 | (1) |
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10.6 Support vector machines |
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194 | (3) |
III Software and Data Sets |
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197 | (8) |
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11 Software and data sets |
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199 | (6) |
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199 | (1) |
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11.2 Chapter 5 Application |
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200 | (1) |
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200 | (1) |
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11.3 Chapter 6 Applications |
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200 | (1) |
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200 | (1) |
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200 | (1) |
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200 | (1) |
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201 | (1) |
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201 | (1) |
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201 | (1) |
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201 | (1) |
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201 | (1) |
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11.4 Chapter 7 Applications |
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201 | (1) |
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201 | (1) |
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202 | (1) |
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202 | (1) |
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11.5 Chapter 8 Application |
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202 | (1) |
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202 | (1) |
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11.6 Chapter 9 Applications |
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202 | (1) |
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202 | (1) |
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203 | (1) |
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203 | (1) |
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203 | (2) |
Bibliography |
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205 | (20) |
Subject index |
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225 | |