ren men dui gu shi de yan jiu fei chang zhi duo dui gu shi shou yi lv he bo dong lv you da liang de tao lun guo qu de yi er shi nian li guan zhu de jiao dian zai yu yun yong shi jian xu lie mo xing ru ARCH he GARCH deng yan jiu bo dong lv bing yun yong ling huo de gu ji fang fa ru GMM deng lai gu ji can shu jin nian lai ren men geng guan zhu yu gao pin shu ju chang ji yi te xing zhong wei he duo wei bian liang de yan jiu ke yi shuo zai gu shi yan jiu zhong guang fan yun yong le tong ji mo xing he fang fa shi jin rong jing ji xue yu tong ji xue de wan mei jie he sheng cun fen xi Survival Analysis de mo xing he fang fa shi gong cheng yi xue he sheng wu xue deng ling yu zhong yi ge hen shou guan xin de nei rong sheng cun fen xi yi cheng wei xian dai shu li tong ji de yi ge zhong yao fen zhi xu duo tong ji xue jia zai zhe yi ling yu zuo chu le da liang gong zuo you qi shi Cox de zhong yao gong xian ben wen jiang sheng cun fen xi fang fa yin ru dui gu shi de fen xi yin wei gu shi zhi shu de lian xu shang zhang he xia die ke yi kan zuo shi yi zhong te shu de sheng cun guo cheng dang gu zhi lian xu shang zhang dao tou zhuan wei xia die shi ke yi shi zuo shang zhang de si wang tong yang dang gu zhi lian xu xia die dao tou zhuan wei shang zhang shi ke shi zuo xia die de si wang gu zhi jiu shi zai zhe liang zhong zhuang tai xia bu ting di jin xing zhao sheng si xiang hu zhuan hua de gu zhi lian xu zhang die de dian shu ke yi kan zuo shi lian xu de sheng cun mo xing er gu zhi lian xu zhang die de tian shu ke yi kan zuo shi li san de sheng cun mo xing