Investigation of the Effect of Normalization Methods on ANFIS Success: Forestfire and Diabets Datasets

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Mesut. Polatgil 1,*

1. Şarkışla Faculty of Applied Sciences / computer technologies, Sivas, 58070, Turkey

* Corresponding author.


Received: 2 Aug. 2021 / Revised: 9 Oct. 2021 / Accepted: 16 Nov. 2021 / Published: 8 Feb. 2022

Index Terms

Data normalization, data scaling, Anfis, classification, regression, scikit-learn


Machine learning and artificial intelligence techniques are more and more in our lives and studies in this field are increasing day by day. Data is vital for these studies. In order to draw meaningful conclusions from the available data, new methods are proposed and successful results are obtained. The preparation of the obtained data is very important in the studies to be carried out. Data preprocessing is very important in the preparation of data. The most critical stage of the data preprocessing process is the scaling or normalization of the data. Machine learning libraries such as scikit-learn and programming languages such as R provide the necessary libraries to scale data. However, it is not known exactly which normalization method will be applied and which will yield more successful results. The success of these normalization methods has been investigated on many different methods, but such a study has not been done on the adaptive neural fuzzy inference system (ANFIS). The aim of this study is to examine the success of normalization methods on ANFIS in terms of both classification and regression problems. So, for studies using the Anfis method, guidance will be provided on which normalization process will give better results in the data preprocessing stage. Four different normalization methods in the scikit-learn library were applied on the Diabets and Forestfire datasets in the UCI database. The results are presented separately for both classification and regression. It has been determined that min-max normalization in classification problems and working with original data in regression problems are more successful.

Cite This Paper

Mesut. Polatgil, "Investigation of the Effect of Normalization Methods on ANFIS Success: Forestfire and Diabets Datasets", International Journal of Information Technology and Computer Science(IJITCS), Vol.14, No.1, pp.1-8, 2021. DOI: 10.5815/ijitcs.2022.01.01


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