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[此贴子已经被作者于2006-1-16 22:31:08编辑过]
New features in LISREL 8.7 for Windows
The new SurveyGLIM module in LISREL 8.7 allows users to select from the multinomial, Bernoulli, binomial, Poisson, negative binomial, gamma, Gauss, and inverse Gaussian sampling distributions. Various link functions, such as the log, cumulative logit, cumulative probit, complementary log-log, and logit are available.
SurveyGLIM allows for the analysis of data from a simple random sample or from a complex sample design. In the latter case it is assumed that the population from which the sample is obtained can be stratified into strata. Within each stratum, clusters (primary sample units or PSUs) are drawn and within each stratum-cluster combination, the ultimate sampling units (USUs) are drawn with specified design weights. There is also an option to correct for finite populations, provided that the sampling rates or population sizes are available.
There has been a growing interest in recent years in fitting models to data collected from surveys using complex sample designs. LISREL 8.7 features an option for users to include sample design weights for the analysis of hierarchical linear models. This makes it possible to specify weights on levels 1, 2 or 3 of the hierarchy. Correct parameter estimates and robust standard errors are produced under complex sampling designs.
In previous versions of LISREL, users were able to compute the appropriate covariance and estimated asymptotic covariance matrices for continuous variables via PRELIS given a normalized weight variable. These matrices are only produced in the case of complete data, or using list-wise deletion in situations where missing data values are present.
In version 8.7, it is possible to use design weights to fit SEM models to continuous data with missing values. The easiest way to do this is to define the weight variable once a PSF file is displayed. A full information maximum likelihood (FIML) method is used to obtain the correct parameter estimates and robust standard errors given the sampling weights.
Univariate regression for a censored response variable is available since LISREL 8.54. In LISREL 8.7, this method is extended to allow for multivariate censored regression. In addition, the appropriate sample covariance matrix for a set of censored variables may be computed and used to fit structural equation models to censored data.
Since the release of LISREL 8.52 for Windows, the computation of the chi-square test statistic value for the independence model is based on the normal-theory weighted least squares (NT-WLS) chi-square test statistic value rather than on the minimum fit function chi-square test statistic value. This change implied that the goodness-of-fit statistics, which is based on the chi-square test statistic value for the independence model such as the CFI, NFI, NNFI, IFI, etc., were different and led to numerous inquiries by our LISREL users. As a result, LISREL 8.7 produces an additional file with the file extension 揊TB?that contains a listing of these goodness-of-fit statistics based on all four chi-square test statistic values that LISREL 8.7 reports.
There are three new options in the Compute dialog box starting with version 8.7 of LISREL. These are: (i) TIME (ii) AUTOLAG/ORDER, (iii) CHISQ(DF)
The first option enables users to create a new variable called TIME, that assumes integer values 1, 2, 3, ? ncases. Functions of TIME, for example TIME**2 can also be computed. The second option allows the user to create new variables that assumes the same values than an existing variable, but with a user-specified lag. These new variables are useful in identifying time series processes and for the calculation of lagged correlation matrices. Lastly, one can generate random deviates from a chi-square distribution with a specified number of degrees of freedom.
Additions/changes to the dialog boxes of the multilevel module include: (i) No-Intercept option (ii) Select weights list box (iii) Print asymptotic covariances checkbox (iv) Print values of within and between covariance matrices checkbox. Note that the specification of a level-1 ID variable is no longer required.
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| Robert Cudeck, Stephen du Toit & Dag Sörbom (Editors) | |
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| The text honors Dr. Karl Jöreskog's outstanding academic career through contributions of current researchers in Structural Equation Modeling. The book contains the following sections:
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For depth and breadth, Structural Equation Modeling: Present and Future is definitely a worthy addition to the library of anyone who is involved in the field. Overall, it will provide wonderful insight into the progress that has come from the ongoing work of Dr. Jöreskog and countless others in Factor Analysis and Structural Equation Modeling. Copyright 2001 Scientific Software International, Inc. ISBN: 0-89498-049-1 | |
[此贴子已经被作者于2005-2-20 0:16:51编辑过]
Contributions by Karl G Jöreskog
- Why are t-values for Error Variances Equal? A Paradox in Path Models for Observed Variables
- How Large Can a Standardized Coefficient be?
- What is the interpretation of R2?
- Formulas for skewness and kurtosis
- Interpretation of R2 revisited
- Latent Variable Scores and their uses
- Analysis of Ordinal Variables Part 1: Preliminary Analysis
- Analysis of Ordinal Variables Part 2: Cross-Sectional Data
- Analysis of Ordinal Variables Part 3: Longitudinal Data
- Analysis of Ordinal Variables Part 4: Multiple Groups
- Analysis of Ordinal Variables Part 5: Covariates
- Censored Variables and Censored Regression
- Factor Analysis by MINRES
- On Chi-Squares for the Independence Model and Fit Measures in LISREL
- Multivariate Censored Regression
[此贴子已经被作者于2005-2-20 0:22:00编辑过]
References
Aigner, D.J., & Goldberger, A. S., Latent variables in socio-economic models, Amsterdam: North-Holland, 1977.
Arminger, G., Clogg, C. C., & Sobel, M. E., Handbook of statistical modeling for the social and behavioral sciences, Academic Press, 1994.
Bagozzi, R.P., Causal models in marketing, Wiley, 1979.
Bartholomew, D.J., Latent variable models and factor analysis, Oxford University Press, 1987.
Bollen, K.A., Structural equations with latent variables, Wiley, 1989.
Bollen, K.A. & Long, J.S., Testing structural equation models, Sage, 1993.
Byrne, B.M., Structural equation modeling with LISREL, PRELIS and SIMPLIS: basic concepts, applications and programming, Erlbaum, 1998.
Duncan, O.D., Introduction to structural equation models, Academic Press, 1975.
Everitt, B., An introduction to latent variable models, Chapman & Hall, 1984.
Goldberger, A.S., & Duncan, O.D., Structural equation models in the social sciences, New York: Seminar Press/Harcourt Brace, 1973.
Hayduk, L.A., Structural equation modeling with LISREL, John Hopkins Press, 1987.
Hayduk, L.A., LISREL issues, debates, and strategies, John Hopkins Press, 1996.
Heinen, T., Discrete latent variable models, Tilburg, Netherlands: Tilburg University Press, 1993.
Hoyle, R.H., Structural equation modeling: concepts, issues and applications, Sage, 1995.
Jöreskog, K.G., & Sörbom, D., Advances in factor analysis and structural equation models,, [ed. Jay Magidson], Cambridge, Mass.: Abt Books, 1979.
Jöreskog, K.G., & Wold, H., Systems under indirect observation: causality, structure, prediction, North-Holland, 1982.
Kaplan, D., Structural equation modeling: foundations and extensions, Sage, 2000.
Kelloway, E.K., Using LISREL for structural equation modeling: a researcher's guide, Sage,1998.
Kenny, D.A., Correlation and causality, Wiley, 1979.
Kline, R.B., Principles and practice of structural equation modeling, Guilford Press, 1998.
Loehlin, J.C., Latent variable models: an introduction to factor, path, and structural analysis, 3rd ed., Erlbaum, 1998.
Marcoulides, G.A., & Schumacker, R.E., Advanced structural equation modeling: issues and techniques, Erlbaum, 1996.
Marcoulides, G.A., & Schumacker, R.E., New developments and techniques in structural equation modeling, Erlbaum, 2001.
Maruyama, G., Basics of structural equation modeling, Sage,1997.
Mueller, R.O., Basic principles of structural equation modeling: an introduction to LISREL and EQS, Springer-Verlag, 1996.
Pearl, J., Causality: models, reasoning, and inference, Cambridge University Press, 2000.
Raykov, T., & Marcoulides, G.A., A first course in structural equation modeling, Erlbaum, 2000.
Schumacker, R.E., & Lomax, R,G., A beginner's guide to structural equation modeling, 2nd ed, Erlbaum, 2004.
Schumacker, R.E., & Marcoulides, G.A., Advanced structural equation modeling: interaction models, Erlbaum, 1998.
Schumacker, R.E., & Marcoulides, G.A., Interaction and non-linear effects in structural equation modeling, Erlbaum, 1998.
Spirtes, P., Glymour, C., & Scheines, R., Causation, prediction, and search, Springer-Verlag, 1993.
Von Eye, A., & Clogg, C.C., Latent variable analysis: applications for developmental research, Sage, 1994.
[此贴子已经被作者于2005-2-20 0:32:05编辑过]
Practical Guide to Statistical Packages
Copyright 1997-8 J Zhao This page is made possible by CCT, a wonderful Chinese emTeXware, available from Institute of Computing , Chinese Academy of Science. PDF files are from Adobe distiller with kind help of Dr Dong Pang (regenerated from dvips32 and HGMP on 29/11/00). A PostScript (unzip first)/PDF viewer/printer is necessary to view/print them.
Download:
1.Interactive LISREL: User’s Guide
http://www.bus.emory.edu/research_computing/Lsrel%20doCs/Contents.pdf
2. Brief Guide to Use of LISREL 8.50 for Confirmatory Factor Analysis
http://www.unc.edu/~rcm/psy236/lisrel.intro.pdf
[此贴子已经被作者于2005-2-20 0:54:18编辑过]
Course Outline: MULTILEVEL ANALYSIS WITH MLWIN AND LISREL 8.51
Dr Ken Rowe, Principal Research Fellow, Australian Council for Educational Research
Multiple regression, or equivalent experience. Previous participation in an ACSPRI course on Structural Equation Modeling will also be helpful. The creskog & Sourse will assume familiarity with general linear model concepts and model fitting. Since MLwiN and LISREL 8.51 operate under Windows'95/'98/2000 and/or Windows NT, familiarity with Windows-based PC statistical packages is desirable.
reskog & SThe course will focus on the rationale, development and use of multilevel models to analyse data from hierarchically structured populations/samples (e.g., voters within electorates, cases within groups within areas, students within classes within schools, etc.), or longitudinal studies (repeated measures clustered within individuals within groups) - typical of those used in applied epidemiological, psychosocial and educational research. The prime focus of the course will be on the use and application of two recent, interactive, multilevel statistical software packages: (1) MLwiN (Rasbash et al., 2000) and (2) LISREL 8.51 (Joreskog & Sorbom, 2001) - to the analysis of: (1) variance components models, (2) multilevel regression models, including the computation of 'value-added' indices, (3) multilevel logistic models, (4) random coefficients regression models, (5) longitudinal and growth-curve models, (6) cross-classified models, (7) multivariate multilevel models. Participants will also be introduced to 'state-of-the-art' multivariate, multilevel, covariance-structure analysis.
Note that the course is designed as a practical introduction to multilevel analysis, providing hands-on computing experience with actual data sets. Detailed notes with worked examples and references will be provided as a basis for both the lecture and hands-on computing aspects of the course. Participants are encouraged to bring their own data sets for analysis during the course (in ASCII or *.txt format format; Excel *.xls files; SPSS *.sav files).
Barbara M. Byrne School of Psychology, University of Ottawa
Using a confirmatory factor analytic (CFA) model as a paradigmatic basis for all comparisons, this article reviews and contrasts important features related to 3 of the most widely-used structural equation modeling (SEM) computer programs: AMOS 4.0 (Arbuckle, 1999), EQS 6 (Bentler, 2000), and LISREL 8 (Joreskog & Sorbom, 1996b). Comparisons focus on (a) key aspects of the programs that bear on the specification and testing of CFA models-preliminary analysis of data, and model specification, estimation, assessment, and misspecification; and (b) other important issues that include treatment of incomplete, nonnormally-distributed, or categorically-scaled data. It is expected that this comparative review will provide readers with at least a flavor of the approach taken by each program with respect to both the application of SEM within the framework of a CFA model, and the critically important issues, previously noted, related to data under study
(doi:10.1207/S15327574IJT0101_4)
Recommend:
Research Paper: The Robustness of LISREL Modeling Revisited
[此贴子已经被作者于2005-2-20 1:23:47编辑过]
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