As well known, the loss of efficiency in est-imation and inference may be substantial if hetero-scedasticity is neglected.
熟知,如果误差同方差要求不能满足,利用同方差回估计和推断有效性会大大。
As well known, the loss of efficiency in est-imation and inference may be substantial if hetero-scedasticity is neglected.
熟知,如果误差同方差要求不能满足,利用同方差回估计和推断有效性会大大。
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