To the tree species , the maximum likelihood estimation and minimum risk equivariant estimation are used to estimate the unknown parameters .
对于服从正态分布的树种利用极大似然估计和最优同变估计对未知参数进行估计。
The minimum risk designs for the estimation of variance components in a random one-way model
一种方式分组随机模型中估计方差分量的最小风险设计
minimum risk estimationminimum risk estimationminimum risk estimation