(一)路径系数(Path Coefficient):路径分析求得的各对变量的相关称为路径系数。路径系数是一种标准化的回归系数,表示一个变量对另一变量的直接影响。
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一般情况下,计算个体近交系数的方法有两种,第一种方法应用系谱中的径路系数(path coefficient);另一种方法则是应用共祖系数,通过t 1代的共祖系数说明t代个体的近交系数。下面通过例子说明这两种方法。
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partial path coefficient 部分路径系统
path-coefficient 通径系数
direct path coefficient 直接通径系数
path coefficient method 通径系数法
genetic path coefficient 遗传通径系数
path coefficient analysis 通径分析
indirect path coefficient 间接通径系数
Direct path coefficient of total sugar content was first in all characters and than was central soluble solid content, this result showed that they have positive effect on comprehensive evaluation.
直接通径系数最大的是总糖含量,其次为中心部位可溶性固形物含量,说明它们对综合评价的影响是正效的。
参考来源 - 西瓜品质性状及遗传的初步研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
Replying way indirectly influenced mental stress by influencing soldiers fighting morale and the path coefficient were 0.229 and - 0.455.
应对方式通过作用士气进而间接影响心理应激,路径系数均为0.229、-0.455;
Path coefficient analysis indicated that the positive direct effect of millable stalks on cane yield was bigger than those of plant height and stalk diameter.
通径系数分析结果,有效茎数对蔗茎产量的直接正效应大于株高和茎径;
With the methods of correlation and regression balance and path coefficient analysis, relationship between rice yield and its components were studied in different rice populations.
采用相关、回归、通径分析等方法研究了不同群体水稻产量及产量构成因素的相互关系。
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