“analysis of variance,ANOVA”的概念、定义、翻译、参考文献-科学参考

单词	analysis of variance,ANOVA
释义	analysis of variance,ANOVA Encyclopedia 理学回归分析释 analysis of variance,ANOVA方差分析分析实验数据的一种重要的数理统计学方法。其要旨是对样本观测值的总变差平方和进行适当的分解，以判明实验中各因素影响的有无及其大小。由英国现代统计学家R.A.费希尔（R.A.Fisher）在1923年发明，是科学试验分析中的重要工具。又称变异数分析。
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