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TY - JOUR TI - Estimating Parameters of Non-Gaussian Mixed Model ARMA(1,1) by using a Non-Linear Newton Raphson Procedure –Simulation Study- PY - %2023/%01/%22 Y2 - %2025/%12/%22 JF - مجلة المنصور JA - مجلة المنصور VL - 8 IS - 1 LA - en UR - https://journal.muc.edu.iq/journal/article/view/352 SP - 1-11 AB - To estimate non-linear parameters of mixed model ARMA(1,1) in moving average, the researchers have applied a non-linear Newton-Raphson procedure to estimate these parameters of this model, and to test its efficiency, to compare it with non-linear least Square method by simulation.As a main conclusion, the researchers have found that this applied procedure is good, efficient and reliable as a method for estimating parameter of the non-linear mixed model ARMA(1,1) ER -