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xiii | |
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xvii | |
Notes on contributors |
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xix | |
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1 Machine Learning In Finance And Accounting |
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1 | (6) |
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1 | (1) |
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2 | (1) |
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1.3 Brief overview of chapters |
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3 | (1) |
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4 | (3) |
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2 Decision Trees And Random Forests |
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7 | (30) |
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7 | (1) |
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8 | (6) |
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2.2.1 Impurity and binary splitting |
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9 | (1) |
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2.2.1.1 Specification of the impurity function |
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10 | (1) |
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2.2.1.2 Labeling the leaves |
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11 | (1) |
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2.2.1.3 Tree size and stopping rules |
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12 | (1) |
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2.2.2 Performance estimation |
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12 | (1) |
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2.2.2.1 Resubstitution estimate |
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13 | (1) |
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2.2.2.2 Test-sample estimate |
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13 | (1) |
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14 | (2) |
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14 | (1) |
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2.3.2 Performance assessment and optimal size of the tree |
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15 | (1) |
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2.3.2.1 Resubstitution estimate of MSE(T) |
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15 | (1) |
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2.3.2.2 Test-sample estimate of MSE(T) |
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15 | (1) |
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2.4 Issues common to classification and regression trees |
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16 | (3) |
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16 | (1) |
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2.4.1.1 Handling of missing values |
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17 | (1) |
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2.4.1.2 Ranking of input variables |
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18 | (1) |
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2.4.1.3 Input combination |
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18 | (1) |
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2.4.2 Advantages and disadvantages of decision trees |
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18 | (1) |
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19 | (5) |
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2.5.1 Prediction error bias-variance decomposition |
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19 | (2) |
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2.5.2 Bias-variance decomposition for randomized trees ensembles |
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21 | (1) |
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2.5.3 From trees ensembles to random forests |
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22 | (1) |
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2.5.4 Partial dependence function |
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23 | (1) |
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2.6 Forecasting bond returns using macroeconomic variables |
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24 | (4) |
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2.7 Default prediction based on accountancy data |
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28 | (2) |
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2.8 Appendix: R source codes for the applications in this chapter |
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30 | (5) |
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2.8.1 Application to US B of A Index |
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31 | (3) |
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2.8.2 SME default risk application |
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34 | (1) |
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35 | (2) |
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3 Improving Longevity Risk Management Through Machine Learning |
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37 | (20) |
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37 | (2) |
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39 | (2) |
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3.3 Modeling mortality with machine learning |
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41 | (2) |
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3.4 Numerical application |
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43 | (5) |
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3.4.1 Mortality models by comparison: an empirical analysis |
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43 | (3) |
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3.4.2 Longevity management for life insurance: sample cases |
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46 | (2) |
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48 | (1) |
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49 | (6) |
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55 | (1) |
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55 | (2) |
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4 Kernel Switching Ridge Regression In Business Intelligence Systems |
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57 | (18) |
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57 | (2) |
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59 | (7) |
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4.2.1 Switching regression |
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59 | (1) |
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4.2.2 Switching ridge regression |
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60 | (1) |
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4.2.3 Dual form of the ridge regression |
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60 | (1) |
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4.2.4 Basic notion of kernel methods |
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61 | (1) |
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4.2.5 Alternative derivation to use ridge regression in the feature space |
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61 | (1) |
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4.2.6 Kernel ridge regression |
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62 | (1) |
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4.2.7 Kernel ridge regression: duality |
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63 | (2) |
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4.2.8 Kernel switching ridge regression |
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65 | (1) |
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66 | (4) |
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66 | (1) |
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4.3.2 Application in business intelligence |
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67 | (3) |
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70 | (1) |
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4.5 Conclusion and future research |
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70 | (1) |
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4.6 Appendix: Kernel switching ridge regression: an R code |
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71 | (1) |
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72 | (3) |
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5 Predicting Stock Return Volatility Using Sentiment Analysis Of Corporate Annual Reports |
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75 | (22) |
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75 | (1) |
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76 | (2) |
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78 | (8) |
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5.3.1 Financial data and indicators |
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79 | (1) |
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5.3.2 Textual data and linguistic indicators |
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80 | (1) |
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5.3.3 Machine learning methods |
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81 | (5) |
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86 | (7) |
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93 | (1) |
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93 | (1) |
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93 | (4) |
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6 Random Projection Methods In Economics And Finance |
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97 | (26) |
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97 | (3) |
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6.2 Dimensionality reduction |
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100 | (3) |
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6.2.1 Principal component analysis (PCA) |
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101 | (1) |
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102 | (1) |
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103 | (1) |
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103 | (3) |
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6.3.1 Johnson-Lindenstrauss lemma |
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104 | (1) |
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6.3.2 Projection matrices' specification |
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105 | (1) |
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6.4 Applications of random projection |
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106 | (12) |
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6.4.1 A compressed linear regression model |
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106 | (2) |
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6.4.2 Tracking the S&P 500 Index |
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108 | (3) |
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6.4.3 Forecasting S&P 500 returns |
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111 | (3) |
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6.4.4 Forecasting energy trading volumes |
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114 | (4) |
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6.5 Appendix: Matlab code |
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118 | (2) |
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120 | (1) |
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120 | (3) |
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7 The Future Of Cloud Computing In Financial Services: A Machine Learning And Artificial Intelligence Perspective |
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123 | (16) |
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123 | (1) |
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7.2 The role of machine learning and artificial intelligence in financial services |
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124 | (2) |
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7.3 The enterprise data cloud |
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126 | (1) |
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7.4 Data contextuality: machine learning-based entity analytics across the enterprise |
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127 | (4) |
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7.5 Identifying Central Counterparty (CCP) risk using ABM simulations |
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131 | (3) |
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7.6 Systemic risk and cloud concentration risk exposures |
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134 | (3) |
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7.7 How should regulators address these challenges? |
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137 | (1) |
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137 | (1) |
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138 | (1) |
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8 Prospects And Challenges Of Using Artificial Intelligence In The Audit Process |
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139 | (18) |
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139 | (2) |
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8.1.1 Background and relevant aspect of auditing |
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140 | (1) |
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141 | (1) |
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8.3 Artificial intelligence in auditing |
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142 | (1) |
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8.3.1 Artificial intelligence |
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142 | (1) |
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8.3.2 Use of expert systems in auditing |
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143 | (1) |
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8.3.3 Use of neural network in auditing |
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143 | (1) |
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8.4 Framework for including AI in auditing |
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143 | (3) |
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144 | (1) |
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144 | (1) |
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144 | (1) |
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144 | (1) |
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145 | (1) |
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145 | (1) |
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145 | (1) |
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145 | (1) |
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8.4.2.4 Data architecture and infrastructure |
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145 | (1) |
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8.4.2.5 Measuring performance |
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145 | (1) |
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145 | (1) |
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146 | (1) |
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8.5 Transformation of the audit process |
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146 | (3) |
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8.5.1 Impact of digitalization on audit quality |
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147 | (1) |
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8.5.2 Impact of digitalization on audit firms |
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147 | (1) |
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8.5.3 Steps to transform manual audit operations to AI-based |
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148 | (1) |
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8.6 Applications of artificial intelligence in auditing -- few examples |
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149 | (1) |
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149 | (1) |
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149 | (1) |
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149 | (1) |
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8.6.4 Ernst and Young (EY) |
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150 | (1) |
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150 | (1) |
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150 | (1) |
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150 | (1) |
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8.6.8 The Association of Certified Fraud Examiners (ACFE) |
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150 | (1) |
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8.7 Prospects of an Al-based audit process in Bangladesh |
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150 | (2) |
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151 | (1) |
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8.7.2 Audit firm specific aspects |
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151 | (1) |
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8.7.3 Business organization aspects |
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152 | (1) |
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152 | (1) |
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153 | (4) |
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9 Web Usage Analysis: Pillar 3 Information Assessment In Turbulent Times |
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157 | (24) |
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157 | (1) |
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158 | (3) |
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161 | (3) |
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164 | (8) |
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9.5 Discussion and conclusion |
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172 | (3) |
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175 | (1) |
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175 | (1) |
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175 | (6) |
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10 Machine Learning In The Fields Of Accounting, Economics And Finance: The Emergence Of New Strategies |
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181 | (18) |
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181 | (1) |
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10.2 General overview on machine learning |
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182 | (1) |
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10.3 Data analysis process and main algorithms used |
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183 | (6) |
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184 | (2) |
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10.3.2 Unsupervised models |
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186 | (1) |
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10.3.3 Semi-supervised models |
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187 | (1) |
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10.3.4 Reinforcement learning models |
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188 | (1) |
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10.4 Machine learning uses: cases in the fields of economics, finance and accounting |
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189 | (5) |
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10.4.1 Algorithmic trading |
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189 | (1) |
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190 | (1) |
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10.4.3 Credit risk assessment |
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191 | (1) |
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10.4.4 Financial fraud detection |
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192 | (2) |
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194 | (1) |
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194 | (5) |
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11 Handling Class Imbalance Data In Business Domain |
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199 | (12) |
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199 | (1) |
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11.2 Data imbalance problem |
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200 | (1) |
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11.3 Balancing techniques |
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201 | (2) |
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11.3.1 Random sampling-based method |
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201 | (1) |
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11.3.2 SMOTE oversampling |
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201 | (1) |
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202 | (1) |
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11.3.4 Class weight boosting |
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203 | (1) |
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203 | (3) |
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11.5 Case study: credit card fraud detection |
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206 | (2) |
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208 | (1) |
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208 | (3) |
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12 Artificial Intelligence (Ai) In Recruiting Talents: Recruiters' Intention And Actual Use Of Ai |
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211 | (22) |
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211 | (2) |
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12.2 Theory and hypothesis development |
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213 | (5) |
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12.2.1 Technology anxiety and intentions to use |
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214 | (1) |
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12.2.2 Performance expectancy and intentions to use |
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214 | (1) |
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12.2.3 Effort expectancy and intentions to use |
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214 | (1) |
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12.2.4 Social influence and intention to use |
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215 | (1) |
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12.2.5 Resistance to change and intentions to use |
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215 | (1) |
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12.2.6 Facilitating conditions and intentions to use |
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215 | (1) |
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12.2.7 Behavioral intention to use and actual use |
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216 | (1) |
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12.2.8 Moderating effects of age status |
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216 | (2) |
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218 | (5) |
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218 | (1) |
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12.3.2 Data collection procedure and participants' information |
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218 | (1) |
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218 | (1) |
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12.3.4 Results and hypotheses testing |
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219 | (1) |
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12.3.4.1 Analytical technique |
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219 | (1) |
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12.3.4.2 Measurement model evaluation |
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219 | (2) |
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12.3.4.3 Structural model evaluation |
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221 | (1) |
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12.3.4.4 Testing of direct effects |
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222 | (1) |
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12.3.4.5 Testing of moderating effects |
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222 | (1) |
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12.4 Discussion and conclusion |
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223 | (3) |
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12.4.1 Limitation of study and future research directions |
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225 | (1) |
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226 | (7) |
Index |
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