对比不同测量解释差异在多重归算数据集中的比例
Joost R van Ginkel1, Julian D Karch1
1Methodology and Statistics, Leiden University, Leiden, The Netherlands.
概括
这项研究评估了使用多重归算的缺失数据的解释方差估计器. 基于的估计在偏差和准确性方面表现最好,以西结尔估计器总体上偏差最小.
科学领域:
- 统计 统计 统计 统计
- 回归分析是一种回归分析.
背景情况:
- 解释差异对于评估多重回归中的预测至关重要.
- 准确的奥尔金 - 普拉特估计器以前被推用于公正的估计.
- 处理缺失的数据需要强大的估计方法.
研究的目的:
- 为了评估20个解释差异估计器与不完整的数据使用多次归算.
- 为了比较聚合估计器,包括那些使用.
- 确定在多重归纳数据集中解释变异的最准确和最不偏差的估计器.
主要方法:
- 对20个解释差异估计器进行了模拟.
- 缺少的数据是使用多重归算来处理的.
- 对于20个估计器中的每一个,提出了两个聚合估计器:简单的平均值和使用作为输入.
主要成果:
- 使用获得的估计在偏差和准确性方面表现出卓越的性能.
- 以西结的估计器在评估的方法中普遍表现出最少的偏差.
- 没有一个估计器,包括精确的奥尔金 - 普拉特估计器,在所有场景中都实现了无偏见.
结论:
- 对于多重归算数据中的解释方差,建议使用 的估计器.
- 以西结书的估计器显示了在解释差异估计中最小化偏差的承诺.
- 可能需要进一步的研究来开发完全公正的估计器,以解释缺失数据的差异.
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