p-value

We propose restricted locally-weighted kernel estimation for nonparametric analysis of covariance via varying coefficient models and construct related test statistic. A procedure for computing the exact p-value of the test is proposed.

对于一类协方差分析模型，本文基于变系数模型的角度，提出了约束局部加权核估计方法，并构造了相应的检验统计量，给出了计算检验p-值的精确方法。

There was significant difference in negative predictive value and sensitivity after decending test of fetal head ( P < 0.05).

补加胎头下降试验后，阴性预测值及敏感度提高有显著性差异（P

This paper briefly introduces universal structural principle of the thermodynamics diagram, demonstrated equal in value of the T S diagram ( tephigram) and the P V diagram, introduces structure of the T lnp diagram ( emagram).

本文对热力学图解的一般构造原则作了简单介绍，证明了温熵图与P V图的等价性，并对T lnp图的构造方法作了扼要说明。