均值的误差曲线 平均绝对值误差 均方根误差,均方根值误差
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1) mean error
均值误差
For the distribution of mean error under independent but not identically disiributed conditions, it approximating distribution whose precision reach O () is obtained.
讨论了独立不同分布情况下均值误差的分布估计问题,用随机加权法给出了精度为O(/n)的逼近分布.
he approximating problem of