Prediction of Innovation Values of Countries Using Data Mining Decision Trees and a Comparative Application with Linear Regression Model

Merve Dogruel () and Seniye Umit ()
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Merve Dogruel: Nisantasi Universitesi, Muhendislik ve Mimarlık Fakultesi, Endustri Muhendisligi Bolumu, Istanbul, Turkiye
Seniye Umit: Istanbul Gedik Universitesi, Muhendislik Fakultesi, Endustri Muhendisligi, Istanbul, Turkiye

Istanbul Business Research, 2021, vol. 50, issue 2, 465-493

Abstract: Innovation levels and capacities of countries are two very important factors for competitiveness as well as the current Industrial 4.0 Revolution. In this context, capacity and level are relative concepts, with a great need for a common measurement system on global-based comparisons. The Network Readiness Index (NRI) and the Global Innovation Index (GII), which meet this need to a significant extent, are globally important indices with an effective and academic infrastructure to determine the innovation levels of countries. This study includes regression tree analysis and linear regression analysis and comparison using the indicators within the dimensions below the subscales of the GII score and NRI index based on supervised machine learning. The regression tree application aimed to make the GII estimation based on the NRI indicators and determine the best discriminating GII indicators. Therefore, the Classification and Regression Tree (CART) algorithm is used for analysis. The analysis result determined the indicators within the scope of NRI that are used in the GII scores and country ranking estimation. Linear regression analysis was performed with the same data set, and the regression tree obtained by the CART algorithm was compared with the linear regression model.

Keywords: Networked Readiness Index; Innovation; Decision Tree Learning; Global Innovation Index; Classification and Regression Tree (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:ist:ibsibr:v:50:y:2021:i:2:p:465-493

DOI: 10.26650/ibr.2021.50.015019

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