BiCopHfuncDeriv2(VineCopula)
BiCopHfuncDeriv2()所属R语言包:VineCopula
Second derivatives of the h-function of a bivariate copula
H-函数的二元Copula的二阶导数
译者:生物统计家园网 机器人LoveR
描述----------Description----------
This function evaluates the second derivative of a given conditional parametric bivariate copula (h-function) with respect to its parameter(s) and/or its arguments.
此函数计算给定的条件参数二元Copula的式(h-功能)的二阶导数,相对于它的参数(s)和/或它的参数。
用法----------Usage----------
BiCopHfuncDeriv2(u1, u2, family, par, par2=0, deriv="par")
参数----------Arguments----------
参数:u1,u2
Numeric vectors of equal length with values in [0,1].
数值向量长度相等的值在[0,1]。
参数:family
An integer defining the bivariate copula family: <br> 0 = independence copula <br> 1 = Gaussian copula <br> 2 = Student t copula (t-copula) <br> 3 = Clayton copula <br> 4 = Gumbel copula <br> 5 = Frank copula <br> 6 = Joe copula <br> 13 = rotated Clayton copula (180 degrees; “survival Clayton”) <br> 14 = rotated Gumbel copula (180 degrees; “survival Gumbel”) <br> 16 = rotated Joe copula (180 degrees; “survival Joe”) <br> 23 = rotated Clayton copula (90 degrees) <br> 24 = rotated Gumbel copula (90 degrees) <br> 26 = rotated Joe copula (90 degrees) <br> 33 = rotated Clayton copula (270 degrees) <br> 34 = rotated Gumbel copula (270 degrees) <br> 36 = rotated Joe copula (270 degrees) <br>
一个整数,定义二元Copula的家庭:<BR>0独立系词参考1=高斯系词参考的2学生t Copula函数(T-Copula函数)参考3=克莱顿系词参考4= Gumbel分布Copula的参考5=弗兰克·系词参考6=乔系词参考13=旋转克莱顿系词(180度;“生存克莱顿”)参考14=旋转(180度“生存冈贝尔”)Gumbel分布Copula的参考16=旋转乔系词(180度“生存乔”)参考23=旋转克莱顿系词(90度)参考24=旋转冈贝尔系词(90度)参考26=旋转乔系词(90度)参考33=旋转克莱顿系词(270度)参考34=旋转冈贝尔系词(270度)参考36=旋转乔系词( 270度)参考
参数:par
Copula parameter.
Copula函数的参数。
参数:par2
Second parameter for bivariate t-copula; default: par2 = 0.
二元T-Copula函数的第二个参数为默认:par2 = 0。
参数:deriv
Derivative argument <br> "par" = second derivative with respect to the first parameter (default)<br> "par2" = second derivative with respect to the second parameter (only available for the t-copula) <br> "u2" = second derivative with respect to the second argument u2 <br> "par1par2" = second derivative with respect to the first and second parameter (only available for the t-copula) <br> "par1u2" = second derivative with respect to the first parameter and the second argument <br> "par2u2" = second derivative with respect to the second parameter and the second argument (only available for the t-copula) <br>
导数<BR> "par"二阶导数的第一个参数(默认)参考"par2"=二阶导数的t-Copula函数的第二个参数(仅适用)< >"u2"=二阶导数的第二个参数u2参考"par1par2"二阶导数的第一个和第二个参数(仅适用于T-Copula的)...... >"par1u2"=二阶导数的第一个参数,第二个参数<BR> "par2u2"二阶导数的第二个参数,第二个参数(仅适用于T-Copula的)< BR>
值----------Value----------
A numeric vector of the second conditional bivariate copula derivative with respect to deriv evaluated at u1 and u2 with parameter(s) par and par2.
一个数值向量的第二个条件二元Copula函数导数就derivu1评估和u2参数(S)par和par2。
(作者)----------Author(s)----------
Ulf Schepsmeier, Jakob Stoeber
参考文献----------References----------
Derivatives and Fisher information of bivariate copulas. Submitted for publication. http://mediatum.ub.tum.de/node?id=1106541.
参见----------See Also----------
RVineGrad, RVineHessian, BiCopDeriv, BiCopDeriv2, BiCopHfuncDeriv
RVineGrad,RVineHessian,BiCopDeriv,BiCopDeriv2,BiCopHfuncDeriv
实例----------Examples----------
# simulate from a bivariate t-copula[模拟从一个二元T-Copula函数]
simdata = BiCopSim(300,2,-0.7,par2=4)
# second derivative of the conditional bivariate t-copula [二元叔系词的条件的二阶导数]
# with respect to the first parameter[相对于第一个参数]
u1 = simdata[,1]
u2 = simdata[,2]
BiCopHfuncDeriv2(u1,u2,2,-0.7,par2=4, deriv="par")
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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