AUTHOR=Elias Intisar Ibrahim , Ali Taha Hussein TITLE=Optimal level and order of the Coiflets wavelet in the VAR time series denoise analysis JOURNAL=Frontiers in Applied Mathematics and Statistics VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/applied-mathematics-and-statistics/articles/10.3389/fams.2025.1526540 DOI=10.3389/fams.2025.1526540 ISSN=2297-4687