资源简介
t copula的一些描述可以用来算相关系数,以及求解copula参数
代码片段和文件信息
function CL = tcopulaCL_3(thetadata)
% function CL = tcopulaCL_3(thetadata)
%
% The negative copula log-likelihood of a
% Student‘s t copula
%
% From my own calculations - Roncalli‘s seems to have some mistakes in it
%
% Sunday 22 April 2001.
%
% Andrew Patton
%
% INPUTS: theta = [rho nu] = [ correlation coeff degree of freedom parameter]
% data = [U V];
% Written for the following papers:
%
% Patton A.J. 2006 Modelling Asymmetric Exchange Rate Dependence International Economic Review 47(2) 527-556.
% Patton A.J. 2006 Estimation of Multivariate Models for Time Series of Possibly Different Lengths Journal of Applied Econometrics 21(2) 147-173.
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