فهرس المقالات component extraction technique حرية الوصول المقاله صفحة الملخص نص كامل 1 - A Comparative Study on Existing Techniques for Variable Reduction Including Factor Analysis, Principal Component Analysis, Correlation-Based Techniques, and Relief in Predicting the Risk of Stock Price Crash in Tehran Stock Exchange Hassan Mohammadi Alireza Zarei Soudani
