List of Articles درخت تصمیم‌گیری

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  1 - Using Data Mining and Three Decision Tree Algorithms to Optimize the Repair and Maintenance Process
  M. Izadikhah D. Garshasbi
  The purpose of this research is to predict the failure of devices using a data mining tool. For this purpose, at the outset, an appropriate database consists of 392 records of ongoing failures in a pharmaceutical company in 1394, in the next step, by analyzing 9 charact More

  The purpose of this research is to predict the failure of devices using a data mining tool. For this purpose, at the outset, an appropriate database consists of 392 records of ongoing failures in a pharmaceutical company in 1394, in the next step, by analyzing 9 characteristics and type of failure as a database class, analyzes have been used. In this regard, three decision tree algorithms have been used to determine the most important attributes and to determine the effective rules for the failure. Based on the results obtained from the feature selection of all the three used algorithms, the lifetime characteristics of the machine, the name of the machine and the duration until the last failure are recognized as the most important attributes. On this basis, the life of the device has a very special importance. Since the depreciation in the pharmaceutical industry is high, so the life of the devices used in maintenance and repair has a special effect. In this regard, machines with a life span of more than 20 years are subject to high depreciation and failure, and in addition to the usual repairs they need some special repairs. Manuscript profile
• Open Access Article
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  2 - Clustering Social Progress and its Impact on Economic Growth
  hoda Rezaei Roshan ali rahmani Amir Mansour Tehranchian Reza Ali Mohseni
  The present paper intends to test the impact of these two variables of social progress and economic freedom on economic growth. Statistics related to the social progress, economic freedom and per capita gross domestic product in 128 countries are based on the Social Dev More

  The present paper intends to test the impact of these two variables of social progress and economic freedom on economic growth. Statistics related to the social progress, economic freedom and per capita gross domestic product in 128 countries are based on the Social Development Index, the Heritage Foundation and the World Bank in 2017, and are used the methods of decision tree and multiple regression. The results of the decision tree method show that there are significant differences in the rate of social progress and economic freedom between countries with different revenues. Also, the results of multiple regression estimations in the study year show that the variables of social progress and economic freedom in these countries have been effective and have a positive and significant effect on GDP per capita. Thus, with the effectiveness of these indicators, society will come toward development and economic and social well-being, and this society will be an ideal society. Manuscript profile