Heart disease is a disease with a high mortality rate, there are 12 million deaths each year worldwide. This is what causes the need for early diagnosis to find out the heart disease. But the process of diagnosis is quite challenging because of the complex relationship between the attributes of heart disease. So it is important to know the main attributes that are used as a decision making process or the classification process in heart disease. In this study the dataset used has 57 types of attributes in it. So that reduction is needed to shorten the diagnostic process, the reduction process can be carried out using the Principal Component Analysis (PCA) method. The PCA method itself can be combined with data mining calcification techniques to measure the accuracy of the dataset. This study compares the accuracy rate using the C5.0 algorithm and the Naïve Bayes Classifier (NBC) algorithm, the results obtained both after and before the reduction are Naïve Bayes Classifier (NBC) algorithms that have better performance than the C5.0 algorithm
Evaluation of honorary teachers is an activity that is generally high school or vocational. It is useful to know the results of teaching honorary teachers to their students. Assessment, evaluation and rewarding can be done to spur the performance of the teachers in teaching and learning process so as to improve teacher achievement, the assessment is done to obtain the honorable teachers who will be appointed as permanent teachers. In determining the order of permanent appointment of teachers, it often appears subjective from the decision-makers, so that there are problems and this causes the difficulty in determining prospective teachers. To determine the recommendation of the teacher can still be used the method of Weight Aggregated Sum Production Assessment (WASPAS). WASPAS method can be used to process the honorarium of honor teachers with the criteria that have been determined.
Decision support system as a computer-based system consisting of components, among other components of the language system (language), components of knowledge systems (knowledge) and components of the problem processing system (problem processing) which interact with each other, which helps decision making through the use of data and decision models to solve problems that are semi-structured and unstructured. This study uses the MOORA Method in determining who is entitled to become participants Jamkesmas based on criteria by using a formula that results more accurate and targeted.
This study aims to develop a decision support system in determining employees which will be laid off. The data used in the research sourced from PT. Mitra Andal Sejati Medan in 2017. This study used the ELECTRE method to conduct an assessment of company employees. The criteria used in the research were absence (C1), appearance (C2), performance (C3), and sales volume (C4). This ELECTRE system can provide an effective decision for termination of employment based on lowest employee rank.
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