List of Articles Gaussian copula function (normal) Open Access Article Abstract Page Full-Text 1 - Dimension Reduction of Big Data and Deleting Noise and Its Efficiency in the Decision Tree Method and Its Use in Covid 19 Fazel Badakhshan Farahabadi Kianoush Fathi Vajargah Rahman Farnoosh 10.30495/ijm2c.2022.1947200.1239