V2EX nlme

NLME

释义 Definition

NLME 常指 nonlinear mixed-effects(非线性混合效应)模型,用于同时刻画总体规律(固定效应)个体差异/分组差异(随机效应),常见于药代动力学(PK)、生长曲线、重复测量/纵向数据分析等领域;也常指 R 语言中的 nlme 包(用于拟合此类模型)。该缩写在不同语境下也可能有其他含义,但以上是最常见用法。

发音 Pronunciation (IPA)

/n.l.m.i/

例句 Examples

We fitted an NLME model to the repeated measurements.
我们对重复测量数据拟合了一个非线性混合效应模型。

Using NLME, the researchers captured both the population trend and patient-to-patient variability in drug concentration over time.
通过非线性混合效应模型,研究者同时刻画了药物浓度随时间变化的总体趋势以及不同患者之间的差异。

词源 Etymology

NLME 是由 NonLinear(非线性) + Mixed Effects(混合效应)四个词的首字母组成的学术缩写;在统计建模与生物统计、药物研发等领域被广泛使用,后来也成为 R 语言相关工具(如 code>nlme 包)常见的指代方式。

相关词 Related Words

文学与著作 Literary Works

  • Mixed-Effects Models in S and S-PLUS(Pinheiro & Bates):经典著作,系统介绍混合效应模型方法与实现,常出现 NLME 相关表述。
  • Linear Mixed-Effects Models Using R(Zuur et al.):虽偏线性混合模型,但常在对比与扩展讨论中提及 NLME。
  • R 语言官方文档与手册:如 R 包 nlme 的帮助文档与参考手册(经常以 “NLME models / nonlinear mixed-effects models” 的形式出现)。
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