scholarly journals Improving cancer diseases classification using a hybrid filter and wrapper feature subset selection

2020 ◽  
Vol 4 (1) ◽  
pp. 006-011
Author(s):  
Noori Noor Muhammed ◽  
Qasim Omar Saber
Keyword(s):  
Subset Selection ◽  
Feature Subset Selection ◽  
Feature Subset ◽  
Hybrid Filter ◽  
Cancer Diseases

scholarly journals Klasifikasi Resiko Kehamilan Menggunakan Ensemble Learning berbasis Classification Tree

2021 ◽  
Vol 6 (3) ◽  
pp. 177
Author(s):  
Muhamad Arief Hidayat
Keyword(s):  
Ensemble Learning ◽  
Classification Tree ◽  
Subset Selection ◽  
Feature Subset Selection ◽  
Feature Subset ◽  
Pregnancy Risk ◽  
Risk Status ◽  
Cost Sensitive Learning ◽  
Best Value ◽  
Selection Stage

In health science there is a technique to determine the level of risk of pregnancy, namely the Poedji Rochyati score technique. In this evaluation technique, the level of pregnancy risk is calculated from the values ​​of 22 parameters obtained from pregnant women. Under certain conditions, some parameter values ​​are unknown. This causes the level of risk of pregnancy can not be calculated. For that we need a way to predict pregnancy risk status in cases of incomplete attribute values. There are several studies that try to overcome this problem. The research "classification of pregnancy risk using cost sensitive learning" [3] applies cost sensitive learning to the process of classifying the level of pregnancy risk. In this study, the best classification accuracy achieved was 73% and the best value was 77.9%. To increase the accuracy and recall of predicting pregnancy risk status, in this study several improvements were proposed. 1) Using ensemble learning based on classification tree 2) using the SVMattributeEvaluator evaluator to optimize the feature subset selection stage. In the trials conducted using the classification tree-based ensemble learning method and the SVMattributeEvaluator at the feature subset selection stage, the best value for accuracy was up to 76% and the best value for recall was up to 89.5%

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