IPF算法与N-R算法的对比研究及应用

Comparative Analysis and Application of IPF Algorithm and N-R Algorithm

IPF算法和N-R算法在列联表的相关模型研究中应用广泛.本文通过MATLAB实现了IPF算法和N-R算法,并通过数据模拟研究了两种算法的优劣.模拟结果显示,IPF算法具有稳健、简洁等特点,而N-R算法在迭代次数、精度方面有优势,算法的实现和对比研究对实际应用具有重要地参考意义.

IPF algorithm and N-R algorithm are widely used in the dependence modeling of contingency table.This article wrote IPF algorithm and N-R algorithm codes in the MATLAB Software and compared the two algorithms by means of digital simulation.The simulation showed that IPF algorithm hold the robustness and briefness features,N-R algorithm had advantages in iterations and precision.The codes and conclusion offered important reference value in practical application.