It's an important part of the equation, but ultimately great employees are motivated by intangibles.
这是一个非常重要的部分,但最终好员工的动机是无形资产。
When the sample size is great, QIF approach shows that the selection of working correlation is same to the selection of unbiased estimating equation.
当样本量较大时,QIF方法表明工作相关阵的选择等价于无偏估计方程的选择。
If we use the equation of least square estimator directly, computing amount is often very great because course of computing need calculate the inverse of matrix and multiplication of matrix.
若直接采用最小二乘估计的公式,因计算过程需要求矩阵的逆及乘积,计算量非常大。
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