Analyzing the Investment Behavior in the Iranian Stock Exchange during the COVID-19 Pandemic Using Hybrid DEA and Data Mining Techniques

Table 1

Overview of previous studies.

Author(s)	Method(s)	Country(s)	Duration
Rezaee et al. [23]	Artificial Neural Networks and DEA	Iran	2007–2012
Zhong and Enke [22]	Principal Component Analysis, Artificial Neural Networks, and logistic regression	S&P 500 Index	June 1, 2003, and May 31, 2013
Chang et al. [21]	Nested dynamic network and DEA	Taiwan	2011–2018
Anouze and Bou-Hamad [20]	Classification and regression trees and conditional inference trees	MENA countries	2008–2010
Karimi and Barati [18]	DEA	Iran	2014
Khedr et al. [5]	News sentiment analysis and data mining technique	NASDAQ	Did not mention the year
Asadifar and Kahani [26]	Intelligent data mining	Iran	Data gathering in 1 month; did not mention the year
Yazdi et al. [17]	DEA and fuzzy clustering	Iran	2014–2015
Hiransha et al. [16]	Multilayer Perceptron (MLP), Recurrent Neural Networks (RNN), Long Short-Term Memory (LSTM), and Convolutional Neural Network (CNN)	India and USA	1996–2015