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minority class

Improving the Quality of Minority Class Identification in Dialog Act Tagging

Improving the Quality of Minority Class Identification in Dialog Act Tagging

... identifying minority classes by using per-class feature optimization and choosing the class based on a cascade of ...a minority class F-measure error reduction of ...

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Evaluation of Classification Algorithms with Solutions to Class Imbalance Problem on Bank Marketing Dataset using WEKA

Evaluation of Classification Algorithms with Solutions to Class Imbalance Problem on Bank Marketing Dataset using WEKA

... is class imbalance problem, which happens when one of the two classes has very less number of samples compared to the other class and the class of interest is the minority ...majority ...

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Handling Class Imbalance in Mobile Telecoms  Customer Churn Prediction

Handling Class Imbalance in Mobile Telecoms Customer Churn Prediction

... majority class are eliminated until a required sample size is ...of minority class are duplicated until a required sample size is ...the minority class into the training set thereby ...

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Efficient Imbalanced Data Handling Techniques through Undersampling and Oversampling Approach

Efficient Imbalanced Data Handling Techniques through Undersampling and Oversampling Approach

... Undersampling and oversampling are two main methods of sampling in which samples are either reduced from majority class or samples are added in the minority class. Both techniques have their own ...

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An Improved Algorithm for Imbalanced Data and Small Sample Size Classification

An Improved Algorithm for Imbalanced Data and Small Sample Size Classification

... the minority class samples on train- ing data with different methods, for SSS problem, over-sampling the two class samples on the training data with different methods; 3) performing 5-fold ...

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A Novel Approach for Handling the Concept Drifts in Process Mining by Using Events

A Novel Approach for Handling the Concept Drifts in Process Mining by Using Events

... 1) The system evaluates the dataset properties. 2) The redundant and irrelevant attributes are eliminated. 3) Minority class is discovered and iteratively the boundaries are re[r] ...

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Active Learning for Imbalanced Sentiment Classification

Active Learning for Imbalanced Sentiment Classification

... straightforward: the subspace classifier for monitoring the certainty measurement provides an ideal solution to annotate the samples that have been predicted as majority class. Figure 3 shows the co-selecting ...

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Enhanced hybrid model for balancing dataset to improve the performance of the classifier

Enhanced hybrid model for balancing dataset to improve the performance of the classifier

... Data Mining is a process by which data can be analyzed, so as to generate useful knowledge. In Data Mining, Classifiers are the widely accepted effective technique for prediction. A well balanced dataset is a vital ...

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Recursive Ensemble Approach for Incremental Learning of Non Stationary Imbalanced Data

Recursive Ensemble Approach for Incremental Learning of Non Stationary Imbalanced Data

... The minority class is over-sampled by taking each minority class sample and introducing synthetic examples along the line segments joining any/all of the k minority class nearest ...

5

The Relationships between Energy Balance Deviations and Adiposity in Children and Adolescents

The Relationships between Energy Balance Deviations and Adiposity in Children and Adolescents

... Many different approaches have been developed to use cost-sensitive information for imbal- ance learning [KK98] [Mal03] [MZW05] [LZ06] [ZL06] [HG09]. Those cost-sensitive methods are falling into three classes, as ...

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Improvising multinomial Classification Accuracy of the model using Feature Selection and Class Imbalance algorithms

Improvising multinomial Classification Accuracy of the model using Feature Selection and Class Imbalance algorithms

... multi class classification ...First class, Second Class and Third ...Second class and Third Class and whereas very few fall under the ...a class imbalance problem and to overcome ...

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i.e., Decision Tree, Random Forest, Naïve Bayes, k-NN and SVM, on all data sets at an average of 28.79% improvement in terms of macro F1 Index Terms —software defect severity; defect severity categorization; semi-supervised learning; imbalanced issue

i.e., Decision Tree, Random Forest, Naïve Bayes, k-NN and SVM, on all data sets at an average of 28.79% improvement in terms of macro F1 Index Terms —software defect severity; defect severity categorization; semi-supervised learning; imbalanced issue

... the minority class; thus, it is suitable when there is a scarcity issue in the training ...of minority data can cause an overfitting issue, so it is common to generate new minority examples ...

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INTRUSION DETECTION USING ENSEMBLE CLASSIFIER WITH SELECTIVE SMOTE AND FEATURE REDUCTION

INTRUSION DETECTION USING ENSEMBLE CLASSIFIER WITH SELECTIVE SMOTE AND FEATURE REDUCTION

... majority class, the minority class and middle class by applying k-means clustering with ...a minority class ...the minority class data. The class imbalance ...

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Synthetic Minority Oversampling and Smote Regularised Deep Autoencoders Neural Network Techniques for Fraud Prediction in Financial Payment Services

Synthetic Minority Oversampling and Smote Regularised Deep Autoencoders Neural Network Techniques for Fraud Prediction in Financial Payment Services

... of minority. Class imbalance is studied on a large scale sparse data in a distributed environment, according to[ ...Synthetic Minority Oversampling TEchnique ...

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Hybrid Preprocessing Method for Support Vector Machine for Classification of Imbalanced Cerebral Infarction Datasets

Hybrid Preprocessing Method for Support Vector Machine for Classification of Imbalanced Cerebral Infarction Datasets

... majority class samples that are deleted are added to the minority class sample [11], to enhance performance relative to the performance of the techniques when used ...

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On Proper Unit Selection in Active Learning: Co Selection Effects for Named Entity Recognition

On Proper Unit Selection in Active Learning: Co Selection Effects for Named Entity Recognition

... ity class well. Note that the majority class learning curves are relatively invariant against different seed ...The minority class seed set does have some negative impact on initial learning ...

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Bagging Based Ensemble Classification Method on
Imbalance Datasets

Bagging Based Ensemble Classification Method on Imbalance Datasets

... extreme class data and eight data are not ...majority class ratio of at least 90% while the data category not extreme with the ratio less ...classes. Class with a small number used as a ...

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													An improved approach on class imbalance data using within-class minority oversampling technique

1. An improved approach on class imbalance data using within-class minority oversampling technique

... the class labels and the classification is done I the predefined classes using the build model from the training ...any class labels. A dataset is class imbalanced if the classification categories ...

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Medicare fraud detection using neural networks

Medicare fraud detection using neural networks

... eliminating class imbalance from the training data through ROS or ROS–RUS produces significantly better AUC scores than all other methods, ...50:50 class ratio, plain RUS outperforms baseline methods and ...

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Classification of Data Stream with Skewed Distribution

Classification of Data Stream with Skewed Distribution

... Cost sensitive learning is one if the important technique of data mining. It assigns different values of misclassification penalties to each class. Cost sensitive learning has been incorporated into classification ...

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