The spline estimates of regressive function, density function and so on have very good statistical properties. 回归函数(RF)、密度函数等的样条估计具有优良的统计性质。
Establishes of Model of Quasi-parabola Regressive Function(RF) Model and Parametric Estimation 伪抛物线回归函数(RF)模型的建立与参数估计
Strong consistent estimates of two kinds of jump regressive function 二类跳跃回归函数(RF)的强相合估计
Initial Geostress Regressive Calculation by Displacement Function Method Based on ANSYS 基于ANSYS的位移函数法回归初始地应力计算
By regressive result comparison, Richards function was selected as a basic model to fit the average individual growth process in DBH, length and volume of Chinese fir stands under different site index classes in Kaihua County. 本文通过多种生长函数的拟合和比较,选择了Richards生长函数作为开化不同立地指数等级下杉木人工林平均胸径、树高和材积生长过程的基本模型。