结果:找到“nan”相关内容1000个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
WinGo文构财经文本数据 上市公司文本语调
0 个回复 - 1184 次查看
字段说明:
security_code[证券代码]:以上海证券交易所和深圳证券交易所公布的证券代码为准。
security_name[证券简称]:以上海证券交易所和深圳证券交易所公布的公司最新证券简称为准。
rep_period[报告期间] ...
2022-6-3 17:35 - Davion2018 - 现金交易版
Matlab中SDM模型进行LR检验得到的结果显示NaN,怎么解决
2 个回复 - 1221 次查看
T = 6; N = 217;
W = normw(w1);
y = data(:,[6]);
x = data(:,[7,8,9,10,11,12,13,14,15]);
[nobs K] = size(x);
for t=1:T
t1=(t-1)*N+1;t2=t*N;
wx(t1:t2,:)=W*x(t1:t2,:);
end
info.lflag = 0; ...
2021-10-13 16:50 - 用心吃茶 - 现金交易版
关联交易数据
8 个回复 - 1982 次查看
上市公司97-17关联交易数据,运用财务报表的原始数据进行整理,希望研究关联交易的可以一起讨论,
参考:Nan Jia, Jing Shi, Yongxiang Wang(2013),Coinsurance Within Business Groups: Evidence from
Related ...
2019-1-5 10:04 - 古月下行者 - 现金交易版
Quantitative Finance With Python
42 个回复 - 10615 次查看
Quantitative Fi
nance with Python: A Practical Guide to Investment Management, Trading and Fi
nancial Engineering bridges the gap between the theory of mathematical fi
nance and the practical application ...
2022-5-7 07:21 - xfx - 金融工程(数量金融)与金融衍生品
Yanbian Jinhuilin Financing Guarantee Co., Ltd
1 个回复 - 520 次查看
Yanbian Jinhuilin Fi
nancing Guarantee Co., Ltd. was established on December 25, 2017 with a registered capital of 100 million yuan and a paid in capital of 100 million yuan, with an operation license ...
2021-8-14 11:03 - yijian1 - 跳蚤市场
公司金融Corporate Finance:在上海财大跟邱嘉平老师的学习讲义
1 个回复 - 1244 次查看
公司金融Corporate Fi
nance:在上海财大跟邱嘉平老师的学习讲义
Topic 1 why regression and endogeneity. pdf
Topic 2 causality, IV. pdf
Topic 3 PSM, Heckman. pdf
Topic 4.1 Panel Data Analysis. pd ...
2021-12-27 09:57 - lotus_sss - 现金交易版
Quantitative Finance投稿(7天拒绝)
13 个回复 - 5238 次查看
In the view of the Editors, your paper does not contribute sufficiently to the literature to be publishable in Quantitative Fi
nance.
看来以后还是要慎重啊
毕竟交了submission fee啊 哭死
2021-2-20 13:16 - lumin789 - 学术道德监督