摘要
频率多边形是一种制作简单、收敛速度较快的总体分布密度估计,文章从插值的角度改进了这种估计,得到一种具有二阶光滑度的密度估计——频率样条插值估计。数据模拟实验表明:频率样条估计具有与核密度估计同阶的收敛速度,且减轻了核密度估计的边界偏倚问题。
出处
《桂林航天工业高等专科学校学报》
2010年第2期256-258,共3页
Journal of Guilin College of Areospace Technology
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