(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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path-coefficient 通径系数
path coefficient method 通径系数法
direct path coefficient 直接通径系数
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
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。
Among given variables describing a BF system, the main variables influencing the selected target function were found out according to the minimum residual path coefficient of path analysis.
利用通径分析中的最小剩余通径系数,在给定描述高炉系统的诸多变量中,确定影响目标函数的主要变量因素。
Analyzing the main yield characters such as stalk length, diameter, effective stalks per hectare and cane yield using the correlation and path coefficient of 12 varieties of sugar-fruit cane.
对12个有望作为糖果兼用蔗品种推广的甘蔗品种的产量性状如株高、茎径、公顷有效茎、蔗茎产量等进行了相关及通径分析。
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