ORDINAL LOGISTIC REGRESSION MODEL AND CLASSIFICATION TREE ON ORDINAL RESPONSE DATA

  • Jajang Jajang Department of Mathematics, Faculty of Mathematics and Natural Sciences, Jenderal Soedirman University
  • Nunung Nurhayati Department of Mathematics, Faculty of Mathematics and Natural Sciences, Jenderal Soedirman University
  • Suci Jena Mufida Department of Mathematics, Faculty of Mathematics and Natural Sciences, Jenderal Soedirman University
Keywords: human development index, ordinal logistic model, classification tree

Abstract

Logistic regression (LR) is a model that associates the relationship between category-type response variables with quantitative or quantitative and qualitative predictor variables.  The prediction of the LR model is in the form of probabilityThis research studied logistic regression (LR) models and Classification Trees in the case of ordinal response variable types.   The data used in this research from The Central Statistics Agency (BPS).  The research variables used are Human Development Index (HDI), gross enrollment rate for high school, percentage of poor people, open unemployment, and percentage of married age <17 years and some of the related predictor variables in Central Java Province in 2018.  The HDI data is categorized into three levels, namely very high, high, and moderate. The results of the ordinal LR model show that there are three factors that influence the HDI, they are the gross enrollment rate for high school (GER), the percentage of the poor, and the proportion of women who married at the age of less than 17 years. Comparison of the accuracy LR model and Classification Tree in classification analysis shows that if the training data used is 60%-70% the LR model is better than Classification Tree, while the training data used is more than 70% and less than 86% then the Classification Tree model is better than LR.

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Published
2022-03-21
How to Cite
[1]
J. Jajang, N. Nurhayati, and S. Mufida, “ORDINAL LOGISTIC REGRESSION MODEL AND CLASSIFICATION TREE ON ORDINAL RESPONSE DATA”, BAREKENG: J. Math. & App., vol. 16, no. 1, pp. 075-082, Mar. 2022.