as matrix-经管之家(原经济论坛)-经济、管理、金融、统计在线教育和咨询网站

结果：找到“as matrix”相关内容73个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”

「求助！！」门限模型LR图做不出来，总显示matrix should have at least 2 columns
14 个回复 - 7170 次查看门限模型命令：xthreg q stock size ocf roa age , rx(f) qx(y) thnum(1) grid(400) trim(0.01) bs(300) 存在单门限模型，但是LR图就是做不出来，画图命令： _matplot e(LR1),columns(1 2) yline(7.35,lpattern ...2020-3-26 18:10 - Linda178084 - Stata专版

请问我用xthenreg做门槛回归时提示estimates post: matrix has missing values怎么办
7 个回复 - 6849 次查看如题，我仔细检查了我的数据，确实没有数据缺失呀，一共149组数据，每组包含五年数据，请问各位大佬这可能是什么问题呢，应该怎样解决呢？2021-12-6 17:40 - jiang20030108 - Stata专版

进行空间杜宾模型回归时出现estimates post:matrix has missing values
2 个回复 - 1726 次查看在进行空间杜宾模型回归是出现这个问题，我已经检查过了确定没有缺失值。这个该怎么处理呢。2022-8-17 20:48 - bka240126 - Stata专版

【求助】稀有事件回归出现matrix has missing values r(504)提示如何解决？
4 个回复 - 13996 次查看各位亲爱的朋友，正在使用relogit回归模型当我输入 xi: relogit y x1 x2 x3 x4 收入对数政治身份 i.地区时，没有任何问题。我的地区是“东、中、西”虚拟变量。因研究需要我需要将控制地区转化为控制省 ...2016-10-19 01:41 - niu9271205 - Stata专版

在进行空间杜宾模型时出现了estimates post:matrix has missing values
5 个回复 - 2519 次查看在进行空间杜宾模型时出现了这个estimates post:matrix has missing values，但是我检查过了并没有任何缺失值，请问如何解决2022-8-17 21:50 - bka240126 - Stata专版

pvar2模型出现matrix has missing values
2 个回复 - 807 次查看 42个研究对象，12年数据的面板数据，在做pvar2命令确定滞后阶数时，出现matrix has missing values是怎么回事呀，求助求助~~2022-9-27 14:31 - zmc13 - Stata专版

提问空间计量命令报错 Spatial Weight Matrix Not Has the Same Data Sample Size
4 个回复 - 1861 次查看 Spatial Weight Matrix Not Has the Same Data Sample Size 空间计量命令提出报错，请问是因为什么呢有没有研友也遇到过这个问题呢？2020-9-27 09:22 - jcm2081421 - 爱问频道

Matrix-variate logistic regression with measurement error
2 个回复 - 402 次查看【作者(必填)】 23 【文题(必填)】 Matrix-variate logistic regression with measurement error 【年份(必填)】 23 【全文链接或数据库名称(选填)】https://academic.oup.com/biomet/article-abstract/108/1/ ...2022-10-26 03:24 - internet.hzx - 求助成功区

今天突然想到一个问题就是matrix和as.matrix ,data.frame和as.data.frame有什么区别
3 个回复 - 8385 次查看类似的as.factor和factor,平时用的时候没注意,现在仔细想感觉差别不大?2017-12-2 19:30 - falseform - R语言论坛

为'as.matrix'函数选择方法时评估'x'参数出了错
4 个回复 - 30719 次查看在做lasso分析的时候的报错： Error in h(simpleError(msg, call)) : 在为'as.matrix'函数选择方法时评估'x'参数出了错: not-yet-implemented method for %*% 请问怎样解决，用data.matrix将x转化后也同 ...2021-4-5 13:19 - 喔喔喔噢 - R语言论坛

as.matrix
2 个回复 - 5426 次查看为什么是字符型的数据啊最后还有我用另外一份数据进行转置我先用read.table()函数进行读取数据，再对数据进行转置成矩阵，数据有40列600行，最后转置后变成了9行600列减少了好多啊？为什么会这样啊？2013-11-5 17:22 - 麻烦and纠结 - R语言论坛

Basic of Matrix Algebra in Statistics with R
0 个回复 - 592 次查看欢迎使用Markdown编辑器经管之家：Do the best economic and management education！你好！这是你第一次使用 Markdown编辑器所展示的欢迎页。如果你想学习如何使用Markdown编辑器, 可以仔细阅读这篇文章，了解 ...2021-10-6 09:05 - cathinenan - 新手入门区

xthreg门槛回归绘图提示matrix should have at least 2 columns r(198）悬赏20论坛币
23 个回复 - 11179 次查看利用 xthreg命令进行门槛回归，绘图时提示： _matplot e(LR21), columns(1 2) yline(7.35,lpattern(dash)) connect( > direct) msize(small) mlabp(0)mlabs(zero) ytitle("LR Statistics") xt > itle("First Thres ...2016-5-23 16:41 - aboveclouds - Stata专版

Bus OD matrix reconstruction based on clustering Wi-Fi probe data
1 个回复 - 381 次查看【作者(必填)】 Yunshan Wang 【文题(必填)】 Bus OD matrix reconstruction based on clustering Wi-Fi probe data 【年份(必填)】 2021 【全文链接或数据库名称(选填)】https://www.tandfonline.com/doi/10. ...2021-7-30 19:49 - peterxu1969 - 求助成功区

门限面板回归求助为什么执行后一直报错matrix has missing values r(504)
20 个回复 - 21709 次查看求教各位大神 stata小白在做门限回归可为什么出了第一个门槛值后老是报matrix has missing values， r(504)呢？命令是 xtthres inv pepl edu, thres(mar) dthres(x3) min(50) bs1(100) bs2(100) bs3(100)2015-3-18 23:11 - 吴伯牙 - Stata专版

王群勇老师的xthreg中作LR图时老是出现matrix should have at least 2 columns
21 个回复 - 12409 次查看王群勇老师的xthreg中作LR图时老是出现matrix should have at least 2 columns 请问这该怎么修改，不知道哪里出了问题，求指导2016-8-6 11:31 - 小丫头花海 - Stata专版

Forecasting the covariance matrix with the DCC GARCH model
1 个回复 - 2837 次查看 How to forecast the covariance matrix with the DCC GARCH model using software package？Many thanks！2009-3-19 14:08 - dieme - 金融学（理论版）

下载Numerical Matrix Analysis Linear Systems and Least Squares
3 个回复 - 2301 次查看作者：Ilse C. F. Ipsen North Carolina State University Raleigh, North Carolina Contents Preface ix Introduction xiii 1 Matrices 1 1.1 What Is a Matrix? . . . . . . . . . . . . . . . . . . . . ...2009-12-28 01:19 - rivergw - 计量经济学与统计软件

Basics of Matrix Algebra for Statistics with R (CRC The R Series)
6 个回复 - 2933 次查看 Basics of Matrix Algebra for Statistics with R (Chapman & Hall/CRC The R Series) A Thorough Guide to Elementary Matrix Algebra and Implementation in RBasics of Matrix Algebra for Statistics with R p ...2016-2-13 08:13 - nelsoncwlee - 投资人（实务版）

A matrix factorization based dynamic granularity recommendation
2 个回复 - 504 次查看【作者(必填)】 Dun Liu; Xiaoqing Ye; 【文题(必填)】 A matrix factorization based dynamic granularity recommendation with three-way decisions【年份(必填)】 2020 【全文链接或数据库名称(选填)】https ...2020-3-6 16:12 - 下雨就打伞 - 求助成功区

Matrix-Analytic Methods in Stochastic Models
3 个回复 - 667 次查看【作者(必填)】【文题(必填)】【年份(必填)】【全文链接或数据库名称(选填)】2020-1-23 11:33 - pertain - 求助成功区

R软件包dcminfo: Information Matrix for Diagnostic Classification Models
5 个回复 - 2160 次查看 dcminfo: Information Matrix for Diagnostic Classification Models 软件包网址 https://cran.r-project.org/web/packages/dcminfo/index.html A set of asymptotic methods that can be used to directly e ...2017-11-10 17:23 - 刘彦楼 - IRT理论相关软件

矩阵论大全Matrix Mathematics Theory, Facts, and Formulas Second Edition
17 个回复 - 4493 次查看学习矩阵论或者线性代数理论时，很多人都感觉到该领域理论体系过于松散，各种性质和公式层出不穷，似乎没有一个统一的框架。很多这方面的教材，都只注重某个或几个特定的方面，能否有一本手册式或大全式的矩阵书籍在 ...2012-1-16 21:52 - allanguanyu - 计量经济学与统计软件

张福振, 矩阵论：Fuzhen Zhang, Matrix Theory: Basic Results and Techniques
41 个回复 - 14157 次查看 Matrix Theory:Basic Results and Techniques Authors: Fuzhen Zhang (张福振, 美国加州大学博士，美国诺瓦东南大学教授) ISBN: 978-1-4614-1098-0 (Print) 978-1-4614-1099-7 (Online) Author Affiliation ...2013-5-18 16:14 - rhapsodyr - 微观经济学

Formulas Useful for Linear Regression Analysis and Related Matrix Theory
89 个回复 - 8167 次查看 Formulas Useful for Linear Regression Analysis and Related Matrix Theory: It's Only Formulas But We Like Them By Simo Puntanen, George P. H. Styan, Jarkko Isotalo 2013 | 137 Pages | ISBN: 364232930 ...2014-2-23 18:35 - saintsophia - 经济金融数学专区

Matrix Mathematics - Theory, Facts, and Formulas, Second Edition
6 个回复 - 2811 次查看 Matrix Mathematics - Theory, Facts, and Formulas, Second Edition Dennis S. Bernstein When first published in 2005, Matrix Mathematics quickly became the essential reference book for users of ...2012-4-28 22:24 - martinnyj - 金融学（理论版）

R使用as.matrix转化dist生成距离矩阵问题
3 个回复 - 5010 次查看我用dist计算距离后，用as.matrix()把距离转化为一个矩阵，之后想用apply函数对这个矩阵的每一行除以一个向量g，代码如下问题在于，我发现这里用apply以后，矩阵d的每一行中的所有元素都除以了g的第一个元素，而不是 ...2019-4-27 14:50 - 略胜亿筹 - R语言论坛

新书： Matrix Theory Basic Results and Techniques 第二版
2 个回复 - 2043 次查看我们上课时用的教材。对做统计和计量理论的很有用，特别是矩阵范数，Hermitian matrix, 矩阵不等式，SDV分解，等等。主要内容： Preface to the Second Edition.- Preface.- Frequently Used Notation and Ter ...2011-12-28 12:40 - vvleo - 计量经济学与统计软件

guass中一直报错error g0121 : Matrix not positive，求解决
4 个回复 - 1692 次查看 guass中一直报错error g0121 : Matrix not positive，求解决改变原始数据，就会报错，不知道是为什么？寻求帮助用了别人的代码和数据跑出来都没问题，换成自己的数据就不行，甚至数据长度都是一样的2018-8-16 09:04 - swj123380 - Gauss专版

Matrix-Based Introduction to Multivariate Data Analysis
5 个回复 - 3098 次查看 This book enables readers who may not be familiar with matrices to understand a variety of multivariate analysis procedures in matrix forms. Another feature of the book is that it emphasizes what mode ...2016-10-16 21:24 - nivastuli - 数据分析师（CDA）专版

SAM. The 1997 social accounting matrix(SAM) for honduras
0 个回复 - 394 次查看 TJ_12_2004_003. SAM. Cuesta,j.. The 1997 social accounting matrix(SAM) for honduras. Institute of social studies,the hague,the netherlands2018-4-11 10:34 - errorzhu - 经济统计专版

社会统计. Social accounting matrixes: a basis for planning
0 个回复 - 442 次查看 TJ_09_1979_005. 社会统计. Pyatt,g. and round,j.i. Social accounting matrixes: a basis for planning. Washington,d.c.:the World Bank2018-4-10 20:25 - happy_287422301 - 经济统计专版

R新手求指导~as.matrix用法
12 个回复 - 66564 次查看 as.matrix这个函数到底什么意思啊~R网站上的解释是attempts to turn its argument into a matrix，但是本人英语不好……依然不太明白是什么意思……所以，求各位大神指导啊2012-12-12 23:23 - 小嘉嘉 - R语言论坛

【独家发布】【2006】 Network Forensics Evasion: How to Exit the Matrix
6 个回复 - 701 次查看【2006】 Network Forensics Evasion: How to Exit the Matrix Book 图书名称： Network Forensics Evasion: How to Exit the Matrix Author 作者： Ace Evader Publisher 出版社：n/a Page 页数： 9 Pu ...2015-8-9 19:36 - kychan - 经管书评

求助： statement : READ at line 72 column 3 ERROR: (execution) Matrix has not be
2 个回复 - 1670 次查看以下这段程序总是出现： statement : READ at line 72 column 3 ERROR: (execution) Matrix has not been set to a value. 应该是在循环过程中，由于存在f和g不同时存在的情况，导致无法生成S矩阵。我的问题 ...2017-8-17 01:35 - Supmilk - SAS专版

文献求助：Generalized least squares with an estimated autocovariance matrixk
4 个回复 - 940 次查看 [ 本帖最后由 Mengguren15 于 2017-4-9 16:49 编辑 ] 【作者(必填)】Takeshi Amemiya 【文题(必填)】Generalized Least Squares with an Estimated Autocovariance Matrix 【年份(必填)】Econometrica, Vol. 41, ...2017-4-9 16:31 - Nelsh--Deng - 求助成功区

求助sas中nlmixed 显示警告final Hessian matrix is not positive definite肿么办啊？
1 个回复 - 4693 次查看这是问题部分的代码： ods trace on; proc nlmixed data=zhengzh.tem fd=central technique=quanew update=bfgs; by code; parms a=0.5, d=0.5, u=&u, e1=&e1,e2=&e2; bounds 02013-12-20 19:02 - inearnest55 - 爱问频道

Combined Life Cycle Assessment and Life Cycle Costing in the Eco-Care-Matrix
1 个回复 - 639 次查看【作者(必填)】Johannes Auera, b, , , , Niki Beyb, Johannes-Marius Schäferc 【文题(必填)】Combined Life Cycle Assessment and Life Cycle Costing in the Eco-Care-Matrix: A case study on the perfo ...2017-3-7 15:47 - cxj - 求助成功区

R语言中Matrix package里sparse matrix (dgCMatrix class)该怎么处理啊
0 个回复 - 5025 次查看运行某个程序得到的结果中有参数beta，stored as a sparse matrix (dgCMatrix class)，想将其转化成正常格式的matrix,试着用了as.matrix(beta)但是不行，而且is.vector(beta)显示TRUE，但是beta明明就是sparse matri ...2017-1-11 11:55 - 盛1234567 - R语言论坛

Fractional operators in the matrix variate case
4 个回复 - 844 次查看【作者(必填)】A. M. Mathai, Hans J. Haubold 【文题(必填)】Fractional operators in the matrix variate case 【年份(必填)】2013 【全文链接或数据库名称(选填)】http://link.springer.com/article/10. ...2013-5-24 22:50 - 352693585 - 求助成功区

[LatentGold]The DINA model, classification, latent class sizes, and the Q-matrix
2 个回复 - 1438 次查看 [*]DeCarlo, L. T. (2011). On the analysis of fraction subtraction data: The DINA model, classification, latent class sizes, and the Q-matrix. Applied Psychological Measurement, 35, 8-26. [*]pdf ...2016-6-3 07:33 - Nicolle - winbugs及其他软件专版

Matrix-Geometric Solutions in Stochastic Models: An Algorithmic Approach
1 个回复 - 1165 次查看【作者(必填)】 Marcel F. Neuts 【文题(必填)】 Matrix-Geometric Solutions in Stochastic Models: An Algorithmic Approach 【年份(必填)】 1995年1月9日【全文链接或数据库名称(选填)】2016-5-11 16:14 - kirov1 - 文献求助专区

pandas的scatter_matrix中如何添加一条直线
0 个回复 - 2638 次查看用如下语句，得到volumn_qq_4.pdf图一张 df4=pd.DataFrame(df,columns=['gun1','gun2','gun3','gun4']) #pd.scatter_matrix(df,alpha=.2,figsize=(6,6),diagonal='kde') pd.scatter_matrix(df4 ...2016-3-28 10:21 - qijiongli - python论坛

Basics of Matrix Algebra for Statistics with R
6 个回复 - 2412 次查看 Basics of Matrix Algebra for Statistics with R Features Covers basic algebraic manipulation of matrices, such as basic arithmetic, inversion, partitioning, rank, determinants, decompositio ...2016-1-12 13:28 - carvel - 悬赏大厅

Basics of Matrix Algebra for Statistics with R
4 个回复 - 1655 次查看 Features [*]Covers basic algebraic manipulation of matrices, such as basic arithmetic, inversion, partitioning, rank, determinants, decompositions, eigenanalysis, and Hadamard and Kronecker products ...2015-12-21 11:18 - Nicolle - winbugs及其他软件专版

Kassimali matrix analysis of structures
0 个回复 - 692 次查看 Kassimali matrix analysis of structures A graduate textbook of civil engineering2016-1-23 12:16 - luie1168e - 休闲灌水

Basics of Matrix Algebra with R
3 个回复 - 1221 次查看 Basics of Matrix Algebra with R，对用统计建模中矩阵运算非常实用的材料，强烈推荐！！！2015-12-22 15:44 - ypchen - R语言论坛

R语言 ggplot2 doesn't know how to deal with data of class matrix
2 个回复 - 8159 次查看 > write.csv(submission, file = "D:/Kaggle/1_random_forest_r_submission.csv", row.names=FALSE) > > imp featureImportance p2015-11-25 10:38 - skyonefly - R语言论坛

Heteroskedasticity and Autocorrelation Consistent Covariant Matrix Estimation
2 个回复 - 651 次查看 Heteroskedasticity and Autocorrelation Consistent Covariant Matrix Estimation2015-10-15 20:36 - lucky187 - 求助成功区

菜鸟求助如何用SAS做出来一个markov transition matrix?
0 个回复 - 1288 次查看就是有4个category,1 2 3 4 然后有500+个数据是 date category . 1 2 ...2015-9-11 14:08 - shuixian0905 - SAS专版

求书籍：Health sciences literature review made easy: The matrix method (3rd)
4 个回复 - 708 次查看【作者(必填)】Garrard, J. 【文题(必填)】Healthsciences literature review made easy: The matrix method (3rd ed.) 【年份(必填)】2011 【全文链接或数据库名称(选填)】2015-8-18 00:58 - zhu85783713 - 文献求助专区

R 语言中关于 as.matrix 的麻烦
3 个回复 - 7859 次查看 gal.mat 是这样的北京天津河北山西内蒙古辽宁吉林黑龙江 1 0.0000000 0.5000000 0.5000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 但使 ...2015-2-26 19:46 - qhdeconomy - R语言论坛

Matrix-Analytic Methods in Stochastic Models
2 个回复 - 933 次查看 2015-2-21 15:01 - yuedragon - 宏观经济学

Factor Analysis:Determinant of the R-matrix was 0.001
4 个回复 - 2554 次查看 I am currently having difficulties in interpreting the results shown in rotated component[/backcolor] matrix using principal[/backcolor] components with Varimax rotation. Some results provided by S ...2014-4-11 08:52 - Lisrelchen - SPSS论坛

Random-matrix spectra as a time series
1 个回复 - 663 次查看【作者(必填)】 R. Fossion1,2,*, G. Torres Vargas3, and J. C. López Vieyra4 【文题(必填)】 Random-matrix spectra as a time series【年份(必填)】 2013 【全文链接或数据库名称(选填)】http://pre.aps.o ...2014-1-1 20:18 - qijiongli - 求助成功区

求助：用SAS运行Proc mixed 后出现hessian matrix is not positive definite该怎么办
3 个回复 - 3882 次查看初学mixed 语句，还请高手不吝赐教！2013-12-24 10:15 - cushion1 - 爱问频道

performance difference in matrix mutiplication SAS/IML
1 个回复 - 1001 次查看 The cpu time will be different between a matrix (x) a vector and a vector (x) a matrix. proc iml ; nrow=4000; ncol=4000; x = j(nrow, ncol, 0); y = j(nrow, 1,0); call randgen(x, ...2013-10-14 07:08 - bobguy - SAS专版

Introduction to Matrix Analytic Methods in Stochastic Modeling
4 个回复 - 2502 次查看希望不要被删吧，论坛里有了，但是卖得很贵 1999－Introduction to Matrix Analytic Methods in Stochastic Modeling(ASA-SIAM Series on Statistics and Applied Probability) By G. Latouche （Universite Lib ...2010-8-1 18:31 - fanso - 经济金融数学专区

Fractional operators in the matrix variate case
1 个回复 - 612 次查看【作者(必填)】A. M. Mathai, Hans J. Haubold 【文题(必填)】Fractional operators in the matrix variate case 【年份(必填)】2013 【全文链接或数据库名称(选填)】http://link.springer.com/article/10 ...2013-4-11 18:29 - 352693585 - 求助成功区

A BoundedInfluence Regression Estimator Based On the Statitics of the Hat Matrix
2 个回复 - 1063 次查看【作者(必填)】Chave,A.D.and D.J.Thomson 【文题(必填)】A Bounded Influence Regression Estimator Based On the Statitics of the Hat Matrix 【年份(必填)】2003 【全文链接或数据库名称(选填)】http:/ ...2013-2-25 22:20 - 一诺9257 - 求助成功区

Manufacturing Systems Control Design A Matrix-based Approach (首发)
3 个回复 - 1302 次查看 Advances in Industrial Control 2006 Manufacturing Systems Control Design A Matrix-based Approach ...2013-1-8 11:41 - Toyotomi - 运营管理（物流与供应链管理）

Manufacturing Systems Control Design A Matrix-based Approach
0 个回复 - 2706 次查看 Advances in Industrial Control 2006 Manufacturing Systems Control DesignA Matrix-based Approach Authors: [*]Stjepan Bogdan PhD, [*]Frank L. Lewis PhD, [*]Zdenko Kovačić PhD, [*]José ...2013-1-20 11:11 - Toyotomi - 运营管理（物流与供应链管理）

redefine values in a matrix SAS/IML
1 个回复 - 1115 次查看 It is much more efficient to vectorized operation in SAS/IML than to do it at index level. Example below is to reset values in a sub-matrix. proc iml; r = j(5,5,1); print r ; p = ncol(R); r[3:p ...2012-11-4 23:19 - bobguy - SAS专版

Remove a row and corresponding column in a square matrix SAS/IML
2 个回复 - 1404 次查看 You may code it as a function call. proc iml; a=shape(1:25,5,5); n=nrow(a); ***remove R3C3****; %let k=3; idx1=cusum( &k || j(1,n-1,5) ); idx2=((&k-1)*n+1):&k*n; b=shape(remove(a,idx1| ...2012-11-5 10:14 - bobguy - SAS专版

Perturbation Theory for Analytic Matrix Functions: The Semisimple Case
2 个回复 - 1004 次查看【作者(必填)】【文题(必填)】【年份(必填)】【全文链接或数据库名称(选填)】http://epubs.siam.org/sima/resou ... _s1?isAuthorized=no2012-4-23 17:24 - chaoyang712 - 求助成功区

请教：构造LR置信区间gauss程序错误（Indexing a matrix as a vector）
0 个回复 - 2025 次查看我想对AR(2)的phi2, 也就是y_{t-2}的系数构造一个95%的likelihood ratio confidence interval，最大似然估计采用exact MLE，具体用kalman filter来做 model： (y_t - mu)=phi1*(y_{t-1} - mu) + phi2*(y{t-2} - mu) ...2011-4-16 01:51 - lyl1122 - Gauss专版

Introduction to Matrix Analytic Methods in Stochastic Modeling
3 个回复 - 2141 次查看 1999－Introduction to Matrix Analytic Methods in Stochastic Modeling(ASA-SIAM Series on Statistics and Applied Probability) By G. Latouche （Universite Libre de Bruxelles Brussels, Belgium ）and V. R ...2010-6-28 19:31 - hiderm - 文献求助专区

感谢：Introduction to Matrix Analytic Methods in Stochastic Modeling
18 个回复 - 2689 次查看 Introduction to Matrix Analytic Methods in Stochastic Modeling (ASA-SIAM Series on Statistics and Applied Probability) By G. Latouche, V. Ramaswami Publisher: Society for Industrial Mathematics ...2009-11-26 11:03 - 最爱apple - 文献求助专区

SAS如何求correlation matrix
1 个回复 - 4438 次查看 SAS如何求correlation matrix2010-5-8 03:16 - bynbutterfly - SAS专版

The Social Accounting Matrix (Sam) Approach to Measuring the Size and Linka...
0 个回复 - 267 次查看 2005-7-12 19:58 - 群体极化854 - Forum

课程推荐