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Acta Agron Sin ›› 2000, Vol. 26 ›› Issue (06): 699-706.

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The IECM Algorithm for Estimation of Component Distribution Parameters in S egregating Analysis of Quantitative Traits

ZHANG Yuan-Ming;GAI Jun-Yi   

  1. Soybean Research Institute, Nanjing Agricultural University; National Center o f Soybean Improvement， Ministry of Agriculture, Nanjing, 210095
  • Received:1998-11-08 Revised:1999-02-23 Online:2000-11-12 Published:2000-11-12
  • Contact: ZHANG Yuan-Ming

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Abstract: Based on both the ECM algorithm and the split of variances of componen t distributions of the mixture model into their major gene component, polygene c omponent and environmental component, the iterated ECM (IECM) algorithm was sugg ested to estimate the distribution parameters in sample likelihood

Key words: Iterated ECM algorithm, Mixture model, Parameter estimation

[1] GU Shi-Liang;WAN Lin-Sheng;HUANG Li-Juan;WANG Wen-Ping. Improved Contraction-Expansion Algorithm for Curve and Surface Fitting [J]. Acta Agron Sin, 2007, 33(04): 583-589.
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