BiCopPar2TailDep(VineCopula)
BiCopPar2TailDep()所属R语言包:VineCopula
Tail dependence coefficients of a bivariate copula
的二元Copula函数的尾部相关性系数
译者:生物统计家园网 机器人LoveR
描述----------Description----------
This function computes the theoretical tail dependence coefficients of a bivariate copula for given parameter values.
此函数计算的理论尾部相关系数的二元Copula函数对给定的参数值。
用法----------Usage----------
BiCopPar2TailDep(family, par, par2=0)
参数----------Arguments----------
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> 7 = BB1 copula <br> 8 = BB6 copula <br> 9 = BB7 copula <br> 10 = BB8 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> 17 = rotated BB1 copula (180 degrees; “survival BB1”)<br> 18 = rotated BB6 copula (180 degrees; “survival BB6”)<br> 19 = rotated BB7 copula (180 degrees; “survival BB7”)<br> 20 = rotated BB8 copula (180 degrees; “survival BB8”)<br> 23 = rotated Clayton copula (90 degrees) <br> 24 = rotated Gumbel copula (90 degrees) <br> 26 = rotated Joe copula (90 degrees) <br> 27 = rotated BB1 copula (90 degrees) <br> 28 = rotated BB6 copula (90 degrees) <br> 29 = rotated BB7 copula (90 degrees) <br> 30 = rotated BB8 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> 37 = rotated BB1 copula (270 degrees) <br> 38 = rotated BB6 copula (270 degrees) <br> 39 = rotated BB7 copula (270 degrees) <br> 40 = rotated BB8 copula (270 degrees)
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7= BB1 Copula的参考8= BB6 Copula的参考9= BB7系词参考10= BB8系词参考13 =旋转克莱顿系词(180度参考“生存克莱顿”)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17=旋转BB1 Copula函数(180度;“BB1生存”)参考18=旋转BB6 Copula函数(180度“生存BB6”)参考所述> =旋转BB7系词(180度“生存BB7”)参考19=旋转BB8系词(180度“生存BB8”)参考20=旋转克莱顿系词(90度)参考23=系词(90度)旋转冈贝尔参考24=旋转乔系词(90度)参考26=旋转BB1 Copula函数( 90度)参考27=旋转BB6系词(90度)参考28=旋转BB7系词(90度)参考29=旋转BB8系词(90度)参考30=系词(270度)旋转克莱顿参考33=系词(270度)旋转冈贝尔参考34=旋转乔系词(270度)< BR> 36=旋转BB1 Copula函数(270度)参考37=旋转BB6 Copula函数(270度)参考38=旋转BB7系词(270度)参考39=旋转BB8系词(270度)
参数:par
Copula parameter.
Copula函数的参数。
参数:par2
Second parameter for the two parameter t-, BB1, BB6, BB7 and BB8 copulas (default: par2 = 0).
两个参数的第二个参数为T-BB1,BB6,BB7和BB8 Copula函数的(默认:par2 = 0)。
值----------Value----------
参数:lower
Lower tail dependence coefficient of the given bivariate copula family C: <p align="center"> λ_L = lim_{u->0} C(u,u)/u
尾部相关系数的二元Copula的家庭C:<p ALIGN="CENTER"> λ_L = lim_{u->0} C(u,u)/u
参数:upper
Upper tail dependence coefficient of the given bivariate copula family C: <p align="center"> λ_U = lim_{u->1}(1-2u+C(u,u))/(1-u)
上尾部相关系数的二元Copula的家庭C:<p ALIGN="CENTER"> λ_U = lim_{u->1}(1-2u+C(u,u))/(1-u)
Lower and upper tail dependence coefficients for bivariate copula families and parameters (θ for one parameter families and the first parameter of the t-copula with ν degrees of freedom, θ and δ for the two parameter BB1, BB6, BB7 and BB8 copulas) are given in the following table.
上,下和尾部相关系数二元Copula的家庭和参数(θ为一个参数的家庭和ν自由度的t-Copula函数的第一个参数,θ和<X >为BB1,BB6,BB7和BB8 Copula函数)的两个参数在下面的表中给出。
(作者)----------Author(s)----------
Eike Brechmann
参考文献----------References----------
Multivariate Models and Dependence Concepts. Chapman and Hall, London.
参见----------See Also----------
BiCopPar2Tau
BiCopPar2Tau
实例----------Examples----------
## Example 1: Gaussian copula[例1:高斯系词]
BiCopPar2TailDep(1,0.7)
## Example 2: t copula[例2:T系词]
BiCopPar2TailDep(2,0.7,4)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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