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GARCH模型出现错误:flat log likelihood encountered, cannot find uphill direction
7 个回复 - 9322 次查看 我的数据是上市公司十年4921条研发投入数据,时间有gap,但能保证连续7年及以上有数据,想要做的是对每家公司进行分组回归,构建garch模型,求出研发投入变动趋势,出现错误:flat log likelihood encountered, cann ...2018-11-25 12:31 - Golden-蓉 - Stata专版
egarch模型flat log likelihood encountered, cannot find uphill direction
2 个回复 - 2717 次查看 大家好,求助一下,请问做egarch模型出现错误flat log likelihood encountered, cannot find uphill direction是什么原因?命令为arch var,earch(1) egarch(1)2020-4-15 09:57 - 萝翳渐移曛 - Stata专版
GARCH模型提示(flat log likelihood encountered, cannot find uphill direction)
1 个回复 - 3841 次查看 论坛里有没有大神使用stata运行过GARCH模型,比较了解garch模型的,我在运行Garch(1,1)模型时,总是提示(flat log likelihood encountered, cannot find uphill direction),我的数据是10年的企业年度数据,请问是我 ...2020-1-8 10:55 - zqz要加油鸭 - Stata专版
flat log likelihood encountered, cannot find uphill direction
1 个回复 - 3676 次查看 set more off qui arima sale time if code== 1001 & time >= tm(2009-05) & time2015-9-15 23:27 - nbulxy - 经管类求职与招聘
Logit regression with WinBUGS/R2WinBUGS not converging to likelihood estimates
3 个回复 - 1728 次查看 Can someone help me why is the following model not converging well close to simple logit model estimates? Edited Mydata2014-6-18 06:22 - Nicolle - winbugs及其他软件专版