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原创matlab分级基金套利回测 导入wind数据即可运行
18 个回复 - 7985 次查看 原创matlab分级基金套利回测 导入wind数据即可运行 同时还有更多基于wind的编程 想要的可以自行下载哟~~ 分级基金可以进行套利 由于存在着折价和溢价 所以编制这个模型来替老板测算一下2015-7-14 13:27 - xiongyuankang - 现金交易版
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
ggplot做时间序列图报错:Error: could not find function "as.date"
1 个回复 - 4534 次查看 大侠好! 最近在学习R,拿着一本介绍R的书用里面的案例在做练习,使用书附的数据文件做练习,出现了报错。有大侠知道的,指点一下,不胜感激! 我用附件,操作和报错如下: > menus fantuan % filter ("品 ...2017-4-17 19:10 - 小李菜刀 - R语言论坛
Access to Bridge Employment: Who Finds and Who Does Not Find Work After Retireme
3 个回复 - 834 次查看 【作者(必填)】Ellen Dingemans, , Kène Henkens and Hanna van Solinge 【文题(必填)】Access to Bridge Employment: Who Finds and Who Does Not Find Work After Retirement? 【年份(必填)】2015 【全文链 ...2015-6-22 17:03 - 程志辉 - 求助成功区
stata输出图片时显示could not find Graph window
12 个回复 - 6723 次查看 stata编写好图片代码后想要保存平行趋势检验的图片,结果显示“could not find Graph window” * 保存图片的代码如下: graph export "tz112standard_DID1.png", as(png) replace width(800) height(600)请问这种 ...2022-3-16 16:37 - 没马蹄的草 - Stata专版
stata做MLE出现“could not find feasible values”,如何办呢?
4 个回复 - 4027 次查看 RT。各位大哥,怎么办呢?2015-1-24 20:11 - 蜉蝣天地 - Stata专版
stata报错“could not find Graph window”是什么问题
4 个回复 - 2904 次查看 * stata里用以下代码保存平行趋势检验的图片 graph export "tz112standard_DID1.png", as(png) replace width(800) height(600) 结果显示“could not find Graph window”,请问有大神知道是什么问题吗2022-3-18 15:44 - 没马蹄的草 - Stata专版
DALEX could not find function "variable_response"
2 个回复 - 2249 次查看 无论我使用什么方法来构建模型(我尝试过“xgboost”、“carte”和“mlr”),似乎每当我尝试使用DALEX包时,R总是提示相同的错误: Error in variable_response(...) : could not find function "variable_response" ...2020-7-15 00:19 - alasaa - R语言论坛
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
Python安装第三方库出现”Cannot find existing Pyqt5 plugin directories”解决方案
2 个回复 - 1235 次查看 Python安装第三方库出现失败并出现”Cannot find existing Pyqt5 plugin directories”的解决方案:[/backcolor] 一般是由于Python官网的加载速度太慢导致安装失败。可以切换到国内镜像网站。如下:[/backcolor] ...2020-3-31 17:56 - 小圆滑滑 - python论坛
R语言 启动后显示“Error: could not find function "Sys.setlocal"
1 个回复 - 1355 次查看 求解答:R语言启动后就显示:Error: could not find function "Sys.setlocal";导致从github上加载包总是不成功?有人知道遇到过没,有没有解答方案?谢谢🙏2020-1-14 20:30 - 燕冰 - R语言论坛
【学习笔记】I\'m not as strong as you think , but I can\'t find the ...
1 个回复 - 255 次查看 I\'m not as strong as you think , but I can\'t find the place where the weak can rest.2020-1-8 06:32 - artra2012 - Forum
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
【学习笔记】Technical Analysis(TA)is not bound to aid you to find the ...
1 个回复 - 391 次查看 Technical Analysis(TA)is not bound to aid you to find the winning trade,but it enables you to locate the losers in the market. Don’t blame TA for its un-feasibility in delivering the benefit in con ...2019-12-8 08:59 - honbin1256 - Forum
could not find function rpart 怎么解决
2 个回复 - 5157 次查看 > german_model2018-7-12 00:13 - 南北西京 - R语言论坛
求教:Error: could not find function "limite.central"
10 个回复 - 8115 次查看 本人R初学者,遇到一些找不到的函数会找镜像下载安装包,可是没找到limite.central,求教大神,如何解决这个问题?谢谢2015-1-17 20:16 - 店小二訁上菜 - R语言论坛
关于R中“could not find function”的问题
8 个回复 - 47303 次查看 新手问个初级问题,还请各位不吝赐教。 首先我想模拟一个Y(t)=0.75Y(t-1)+e(t)-0.75e(t-1)的方程,google了一下,给出的列子是: ## armaSim - # Simulation: x = armaSim(model = list(ar = c(0.5, -0. ...2011-3-22 04:15 - 白下 - R语言论坛
Error: could not find function "slappy"
5 个回复 - 3515 次查看 x12016-8-1 10:10 - mashagua - R语言论坛
The House Benghazi report uncovers some new facts, but finds nothing to nail Hil
2 个回复 - 864 次查看 ‘Read Econmic News Together’ Series The House Benghazi report uncovers some new facts, but finds nothing to nail Hillary Clinton FOR nearly four years, it has been the same. Ask pretty much any Re ...2016-7-3 17:47 - 晓七 - 外语学习
matlab运行时出现Cannot find an exact (case-sensitive) match for 'LINPROG'
4 个回复 - 8715 次查看 在matlab运行程序时一直出现Cannot find an exact (case-sensitive) match for 'LINPROG' The closest match is: linprog in E:\MATLAB\r2014b\toolbox\optim\optim\linprog.m 请问该怎么解决 急用 谢谢2015-6-10 23:19 - Ann陳 - MATLAB等数学软件专版
Error: could not find function "InvTF.Exp"
1 个回复 - 1253 次查看 2016-3-30 13:33 - 198827jie - R语言论坛
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
not find version 7.15 of the MCR Attamping to load mclmcrrt7_15.
1 个回复 - 3604 次查看 could not find version 7.15 of the MCR Attamping to load mclmcrrt7_15.dll.Please install the correct version of the MRC 请问这是什么意思,软件版本不对么2015-4-13 17:47 - tongjide - MATLAB等数学软件专版
求助could not find function的问题
4 个回复 - 7389 次查看 创建了一个函数,但是刚跑一点点就出问题了。 grab_high2015-5-7 16:49 - athenachuxl - R语言论坛
could not find function "season
1 个回复 - 1902 次查看 求问 Error in as.vector(season(beersales)) : could not find function "season 怎么解决 3.1.3没有season函数,那应该用什么分析points(y=rstudent(beers ...2015-4-6 16:40 - 120913128 - R语言论坛
A note on finding the bridges of a graph
1 个回复 - 1737 次查看 【作者(必填)】R.Endre Tarjan 【文题(必填)】A note on finding the bridges of a graph 【年份(必填)】1974 【全文链接或数据库名称(选填)】http://www.sciencedirect.com/science/article/pii/002001907 ...2014-3-29 01:27 - lzguo99 - 文献求助专区
Error: could not find function "backtest"
3 个回复 - 10419 次查看 Dear The code I copied from http://faculty.chicagobooth.edu/ruey.tsay/teaching/introTS/ch3Rscripts.txt and output are as follows Coulld you please help fix the issue such as[Error: could not f ...2014-1-10 02:59 - Trevor - R语言论坛
请问解压安装stata12 之后出现 cannot find stata directory isstata.120 is missing
0 个回复 - 7516 次查看 请问解压安装stata12 之后出现 cannot find stata directory isstata.120 is missing 是什么意思, 如何修正2013-7-2 03:11 - soundlove - Stata专版
[软件安装求助]sigmaplot cannot find Sax Basic Control 。。
3 个回复 - 709 次查看 sigmaplot cannot find Sax Basic Control ,you need to reinstall。 xp3兼容模式下也不行,系统是win7,补丁打全,卸载后重装任然如此, 我是解压到英文目录下安装的,采用默认路径;安装的是simaplot 12.5完整版 ...2013-6-19 15:29 - huangliang0828 - MATLAB等数学软件专版
报名请教:Sorry, we could not find a match for your address.
4 个回复 - 5525 次查看 一直匹配不上地址,前辈指教一下啊,比如爱国中路20号200室,怎么写呢,或者不匹配有没有关系呢,(+﹏+)~谢谢了!2011-1-26 10:28 - beebeer - CFA、CVA、FRM等金融考证论坛
CFA all Notes Collection - Everything find here - Superb, Ultimate, Awesome
28 个回复 - 4975 次查看 Hey buddies out there Follow the links for all the CFA notes so far !! Source : The Creative Wonder [ www.thecreativewonder.com ] Level 1 Study Material Below Study Material includes Books ...2009-12-5 12:04 - 123baabla - CFA、CVA、FRM等金融考证论坛
[讨论]Why Does Proc NLP cannot Find the MLE Estimate?
1 个回复 - 3538 次查看 I use proc nlp command to run regression with truncated sample. My regression is to regress return on deps, a bivariate regression. Return is right-skewed with a fat tail and deps is left-skewed also ...2005-9-19 07:27 - Trevor - 计量经济学与统计软件