RT software T1 R-scripts for approximating complex coherent systems by mixed systems with IID components A1 Arriaza Gómez, Antonio Jesús A1 Bello Espina, Alfonso José A1 Navarro Camacho, Jorge Luis A1 Suárez Llorens, Alfonso A2 Estadística e Investigación Operativa K1 R Scripts K1 Coherent Systems K1 Mixed Systems K1 Signature K1 Bernstein Polynomials K1 Optimization Methods AB This document provides a comprehensive user guide and technical documentation for a collection of R scripts: BD.R, QP.R, MiniMax.R, and CVaR.R. These computational tools have been developed to facilitate the reliability analysis of complex coherent systems—particularly those with general dependence structures and component redundancy—by approximating their reliability functions using mixed systems with independent and identically distributed (IID) components. The guide outlines the theoretical foundations, required packages, and step-by-step usage instructions for four distinct approximation methodologies: Bernstein polynomial sequences, quadratic programming for L2 norm minimization, and linear programming for both L∞ norm and Conditional Value-at-Risk (CVaR) minimization. To ensure a clear understanding and facilitate practical implementation, the documentation includes specific use-case examples for each script, directly replicating the results analyzed in the main research article Arriaza et al. (2026). Finally, this resource provides researchers the necessary tools to apply these approximation techniques in their own reliability studies. YR 2026 FD 2026-07 LK http://hdl.handle.net/10498/40121 UL http://hdl.handle.net/10498/40121 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 21-sep-2026