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Latent Variable Mixture Modeling  
Mplus Discussion >
Mixture modeling refers to modeling with categorical latent variables that represent subpopulations where population membership is not known but is inferred from the data. This is referred to as finite mixture modeling in statistics (McLachlan & Peel, 2000).

A special case is latent class analysis (LCA) where the latent classes explain the relationships among the observed dependent variables similar to factor analysis. In contrast to factor analysis, however, LCA provides classification of individuals. Confirmatory LCA with multiple categorical latent variables can be estimated. In Mplus, mixture modeling can be applied to any of the analyses discussed in the other example chapters including regression analysis, path analysis, confirmatory factor analysis (CFA), structural equation modeling (SEM), growth modeling, and multilevel modeling. Observed dependent variables can be continuous, censored, binary, ordered categorical (ordinal), unordered categorical (nominal), counts, or combinations of these variable types. LCA and general mixture models can be extended to include continuous latent variables.

In mixture modeling with longitudinal data, unobserved heterogeneity in the development of an outcome over time is captured by categorical and continuous latent variables. The simplest longitudinal mixture model is latent class growth analysis (LCGA). In LCGA, the mixture corresponds to different latent trajectory classes. No variation across individuals is allowed within classes (Nagin, 1999; Roeder, Lynch, & Nagin, 1999). Another longitudinal mixture model is the growth mixture model (GMM). In GMM, within-class variation is allowed for the latent trajectory classes. The within-class variation is represented by random effects, that is, continuous latent variables, as in regular growth modeling (Muthén & Shedden, 1999; Muthén et al., 2002). All of the growth models discussed in Chapter 6 can be generalized to mixture modeling. Yet another mixture model for analyzing longitudinal data is latent transition analysis (LTA; Collins & Wugalter, 1992; Reboussin et al., 1998), also referred to as hidden Markov modeling, where latent class indicators are measured over time and individuals are allowed to transition between latent classes. With discrete-time survival mixture analysis (DTSMA; Muthén & Masyn, 2004), the repeated observed outcomes represent event histories. For mixture modeling with longitudinal data, observed outcome variables can be continuous, censored, binary, ordered categorical (ordinal), counts, or combinations of these variable types.

For both cross-sectional and longitudinal mixture modeling, Mplus has three estimator choices for all dependent variable types: maximum likelihood (ML) and maximum likelihood with robust standard errors and chi-square (MLR, MLF).
Thread (Start New Thread) Last Post Last Poster Posts
Solutions for Mixture7-21-10  10:17 amLinda K. Muthen167
Multinomial logistic regression11-14-09  10:49 amBengt O. Muthen91
Comparisons between classes7-09-10  10:06 amLinda K. Muthen161
LATENT CLASS REGRESSION MODEL PART7-15-10  7:27 amShaunna Clark44
Power analysis4-24-09  11:16 amLinda K. Muthen8
Structural equation mixture model2-02-10  10:57 amLinda K. Muthen45
Class Probabilities6-22-10  6:17 amLinda K. Muthen46
Growth mixture modeling within a cohort sequential design2-20-10  9:17 amLinda K. Muthen28
Monte Carlo Study2-10-10  12:19 pmIn-Hee Choi45
LCA with effects between indicators and DIF corrections11-01-00  10:10 ambmuthen2
Negative variance estimates11-29-00  4:50 pmLinda K. Muthen4
Changes in latent class membership when predictors are included10-27-09  9:27 amKaren Nylund-Gibson40
Parallel process growth mixture modeling-is it possible?6-16-10  4:19 pmBengt O. Muthen48
LCA: Choosing Initial Conditional Probabilities & Number of Classes...5-04-10  6:50 pmJ.D. Haltigan49
LCA fit with very sparse response patterns9-06-08  5:55 pmLinda K. Muthen22
Latent Profile Analysis4-27-10  11:19 amLinda K. Muthen159
Data distribution assumptions with version 2.04-06-04  6:02 pmLinda K. Muthen12
App7 example: odd covariance in class 13-22-01  9:41 amLinda K. Muthen4
Goodness-of-fit statistics for mixture models3-24-09  10:37 amLinda K. Muthen58
Fitted and raw data question4-27-01  4:58 pmLinda K. Muthen4
Non-Invariant Psi and Theta5-02-05  6:09 amLinda K. Muthen4
Survival analysis9-07-10  5:59 amLinda K. Muthen62
LCA and Nominal data10-21-08  6:55 amLinda K. Muthen6
Predictors of latent class membership10-06-09  6:21 pmBengt O. Muthen32
Training Data7-25-04  12:08 pmbmuthen12
LCA and cluster analysis3-10-10  2:45 pmLinda K. Muthen48
Complier Average Causal Efect (CACE) estimation6-28-10  7:46 pmLinda K. Muthen38
LCA with binary and categorical indicators, and continuous outcomes7-01-10  9:09 amLinda K. Muthen61
Mixture modeling with multilevel data10-20-08  8:43 amLinda K. Muthen6
Binary and continuous dependent variables indicating the same laten...10-29-09  11:00 amLinda K. Muthen6
Ordered categorical as mixture indicator?2-23-09  2:41 amlisa 8
Reporting Results 3-20-03  1:18 pmLinda K. Muthen8
Correlate covariates in Growth Mixture Modeling4-18-02  12:08 pmbmuthen4
LCA and binary outcome variable8-26-10  3:23 pmLinda K. Muthen18
Estimation of Continuous Regression within classes12-12-08  6:38 amBengt O. Muthen13
Set time scales free6-18-09  8:59 amLinda K. Muthen4
Class sizes11-17-09  9:19 amLinda K. Muthen11
Equality Constraints Across Latent Classes5-25-09  2:13 pmLinda K. Muthen14
LCGA var/cov specification3-06-08  5:09 pmLinda K. Muthen6
Class with "no growth"9-23-02  6:12 pmbmuthen2
LCA s.e.'s for estimates in probability scale10-16-02  5:59 ambmuthen1
Significant Test in LCA with Continuous Outcome10-18-02  3:04 pmbmuthen2
Problems with parameter estimation3-28-08  3:22 pmLinda K. Muthen6
LCA syntax problem12-03-02  6:11 amLinda K. Muthen2
Probit-linear mixed model with correlated errors1-13-03  10:25 ambmuthen2
Group differences in LCA4-24-10  12:56 pmBengt O. Muthen35
The difference between GMM and LCGA6-04-04  7:49 ambmuthen8
Power analysis10-15-09  10:20 amLinda K. Muthen13
Interpreating distal outcomes9-04-09  4:52 pmLinda K. Muthen16
Latent Transition Analysis (LTA)8-31-10  2:36 pmBengt O. Muthen135
Latent Profile Analysis10-19-09  5:52 amSoojin Park25
Multinomial logistic regression5-13-03  10:16 pmbmuthen2
Two questions about LCA12-12-07  10:13 amBengt O. Muthen30
Within class variability7-05-03  9:03 amLinda K. Muthen2
Characterizing trajectories in mixture modeling8-13-04  4:53 pmbmuthen4
Distal outcome thresholds in GGMM3-06-06  10:29 ampoker casino6282
Performance of factor mixture models11-11-09  2:20 pmMatt Thullen28
Latent Class Conjoint Analysis10-04-03  8:08 ambmuthen8
Thresholds for Latent Class Analysis9-08-03  6:34 pmLinda K. Muthen2
Retrospective classification9-09-03  10:03 ambmuthen2
Thresholds fixed at +/-154-03-06  7:45 amJessica 5
Effect sizes10-03-07  12:39 pmSusan E. Collins4
LPA with covariates/Multiple group LPA8-04-09  3:13 pmLinda K. Muthen16
First order deriviate product matrix in GMM's8-31-07  6:53 pmBengt O. Muthen17
Modeling a sensitive survey strategy3-06-06  10:51 ampoker casino7762
Sample size and interpretation4-22-10  4:04 pmBengt O. Muthen14
Residual Analysis1-24-04  12:08 pmAllison Tracy3
LPA in lieu of growth mixture modeling2-09-04  8:10 ambmuthen2
Type I error3-16-04  6:16 pmbmuthen2
Testing number of latent classes10-14-09  5:24 pmBengt O. Muthen16
Dual processor aware3-06-06  10:46 ampoker casino9122
Missing example on discrete-time survival analysis5-10-05  1:25 pmLinda K. Muthen4
Missing convergence command in Version 3?3-06-06  10:34 ampoker casino5312
Latent class models6-18-09  3:23 pmJulie Mount61
Multigroup factor mixture model7-27-10  1:27 pmMahima Hada30
Question regarding example penn-app65-08-04  9:53 amLinda K. Muthen6
Sources of Mplus5-11-04  9:36 amLinda K. Muthen2
Demonstrating differences in progression across classes1-28-10  9:59 amBengt O. Muthen19
Linear Regression10-11-06  10:25 amLinda K. Muthen13
Titles5-18-04  8:29 amCricket3
Missing data modeling with MLR3-09-06  6:49 amBengt O. Muthen4
Time-varying covariates7-13-10  7:57 amLinda K. Muthen18
Categorical and continuous indicator7-05-07  9:39 amLinda K. Muthen4
Randomization of start values6-23-09  3:25 pmBengt O. Muthen14
Sequential process gmm with two categorical latent vars7-16-04  10:58 amDaniel3
Reference group in GMM with X7-16-04  10:55 ambmuthen2
Time scores7-28-04  1:38 pmbmuthen2
Selecting the number of classes2-18-10  2:03 pmLinda K. Muthen50
Distal outcome in GGMM9-04-04  5:03 pmbmuthen6
LCA and multiple imputation6-02-06  8:44 amLinda K. Muthen8
GGMM with 100 sets of random start values9-29-04  4:08 pmLinda K. Muthen2
Reducing number of variables in LPA3-06-06  11:04 ampoker casino9854
Standard Error Question10-20-04  2:19 pmLinda K. Muthen4
Including covariates in LCA7-16-10  9:28 amLinda K. Muthen39
Chi-Square Values for Nominal LCA/LTA Models3-06-06  10:57 ampoker casino1324
Latent Profile Analysis with Clustered Observations4-20-05  4:35 pmLinda K. Muthen4
Constraining Transition Parameters in LTA11-04-04  10:37 ambmuthen2
Three sequential processes12-07-04  11:26 ambmuthen2
Changing the reference group4-16-08  5:12 pmLinda K. Muthen4
Multilevel Discrete Time Survival Analysis with Long-term survivor1-26-05  2:11 pmLinda K. Muthen4
Multivariate Growth Mixture Modeling, is it possible?2-03-05  10:15 ambmuthen4
Unequal Covariance in Mixture Modeling Problem5-23-05  5:58 pmbmuthen4
Skew & Kurtosis test in growth mixture model2-07-05  9:02 amLinda K. Muthen2
LCA classes as independent variables in regression model9-02-10  9:00 amBengt O. Muthen24
Discrete-time survival model7-24-10  5:56 amLinda K. Muthen7
Question about Definition of Group and Heterogenity for GGMM4-27-05  6:29 ambmuthen10
LCA with Covariates, Missing Data, and Plots7-06-10  2:09 pmLinda K. Muthen16
Interactions and cubic terms3-06-06  10:20 ampoker casino407
Questions about mixture model12-05-08  6:23 amLinda K. Muthen36
Model constraints11-05-06  8:59 amBengt O. Muthen7
Size of classes in the sem mixture modeling10-05-06  1:37 pmLinda K. Muthen7
Assigning individual's class membership using imputation10-27-08  9:16 amBengt O. Muthen4
Modeling error structures and heteroschedasticity in LGMM3-23-09  9:00 amLinda K. Muthen16
Use single categorical variable, multiple dichotomous variables, or...7-27-05  6:16 amLinda K. Muthen8
Single-class LGMM vs. LGM & correlated errors in censored LGMM3-06-06  10:49 ampoker casino7534
LCA and covariates9-21-09  4:25 pmLinda K. Muthen16
Scree plot interpretation of AIC/BIC in LGMM?9-11-06  9:57 amBengt O. Muthen4
LCA Question10-13-05  1:38 pmLinda K. Muthen4
Basis issues on mixture modeling6-20-05  8:27 amLinda K. Muthen2
Absense of local independence4-11-08  11:43 amBengt O. Muthen10
Nonlinear GMM7-02-05  5:56 pmBMuthen2
Sequential growth mixture modeling with multilevel data7-02-05  5:57 pmBMuthen2
Growth mixture modeling and distal outcomes4-14-10  1:10 pmBengt O. Muthen27
A citation on hidden Markov model in Mplus manual7-03-05  10:48 amShige3
Which value to be fixed on in Markov model10-23-06  9:51 amLinda K. Muthen31
IRT latent class (mixture) modeling6-03-08  11:07 amLinda K. Muthen10
Calculating probabilities8-10-05  9:27 amAnonymous3
P Value8-21-05  4:23 pmKiki Yang5
Average Latent Class Probabilities6-05-08  11:48 amBengt O. Muthen23
GGMM with algorithm=integration and missing data8-24-05  2:38 pmLinda K. Muthen2
General Questions on (m-level) Mixture Modeling9-05-05  2:37 pmBMuthen6
Comparing latent means across latent classes10-11-07  3:20 pmLinda K. Muthen4
Class varying (co)variance paramters 3-06-06  10:32 ampoker casino9092
Multilevel mixture model3-24-09  3:10 pmLinda K. Muthen39
Bivariate Process of Mixtures10-13-05  1:56 pmLinda K. Muthen2
Confidence Intervals for Odds Ratios11-12-05  6:15 pmBMuthen5
Latent Class Segmentation12-28-05  4:59 pmbmuthen6
GMM vs. LCGA10-31-05  7:08 amLinda K. Muthen2
LCGA7-05-07  3:49 pmBengt O. Muthen6
Weights different in LCA11-12-05  6:17 pmLinda K. Muthen2
No event in a period in survival analysis11-13-05  10:33 ambmuthen2
Some Question about Mixture model2-07-08  2:41 pmLinda K. Muthen8
Mixture model with latent classes11-20-05  7:52 amLinda K. Muthen2
Data Exportation with Latent-Class Models5-25-06  6:08 amLinda K. Muthen7
Class Selection10-15-09  10:37 amLinda K. Muthen11
LCA with CFA11-28-05  4:41 pmLinda K. Muthen4
Savedata with LCA9-23-09  7:40 amLinda K. Muthen18
St Error and EM algorithm12-08-05  11:07 pmSanjoy3
Non-positive definite matrix7-31-08  4:39 pmBengt O. Muthen15
How do I Clasify each record in the file12-23-05  7:36 amLinda K. Muthen2
Distal Outcomes1-06-06  11:31 amLinda K. Muthen2
Mixture sem models with longitudinal data1-12-06  8:41 amLinda K. Muthen2
Evaluating trajectories with categorical outcomes1-13-06  6:43 amDaniel3
Output - some message about mixture model 1-24-06  9:38 amLinda K. Muthen2
LCA (Example 7.9) with three or more classes1-25-06  8:47 amLinda K. Muthen2
LCA convergence problem1-26-06  2:48 pmLinda K. Muthen2
FMM/LPA Syntax problem2-24-10  10:18 amVlad5
Strength of covariate in GMM1-31-06  2:56 pmLinda K. Muthen4
Comparing LCs in samples of different sizes9-08-09  6:38 pmBengt O. Muthen4
Model Comparison 4-23-09  4:04 amAlexandre Morin14
Knownclass statement and cprobabilities file3-06-06  8:15 ambmuthen2
Complex Sampling Design and Subpopulations5-12-10  8:26 amLinda K. Muthen10
Output Re: Nominal/Categorical Variables3-20-06  9:36 amLinda K. Muthen2
Montecarlo for Mixture Modeling4-20-10  8:57 amLinda K. Muthen10
Categorical latent variables as IV and DV3-28-06  1:34 pmLinda K. Muthen2
LCA to examine lack of measurement invariance5-23-07  1:00 pmLinda K. Muthen6
LCA and sampling weights12-18-06  8:56 amLinda K. Muthen8
Treat indicators as categorical or continuous?4-14-06  6:59 amBengt O. Muthen2
GMM with classes in addition to LGM4-15-06  6:12 amBengt O. Muthen2
GMM and nonlinear growth4-17-06  12:16 pmLinda K. Muthen2
Variance across classes4-24-06  12:15 pmLinda K. Muthen2
Changing the reference class in conditional LCGA4-27-06  5:50 amlouise Sullivan3
Single indicator latent variable5-04-06  11:23 amBengt O. Muthen2
Class numbers for SEM multiple latent variable LCA5-12-06  7:04 pmBengt O. Muthen6
Model Modification Indices2-06-08  6:27 pmBengt O. Muthen4
Computer for Mplus4 (Bootstrapped LRT, etc.)7-12-07  3:04 pmLinda K. Muthen21
Identification of two-indicator LC model5-22-06  7:12 pmBengt O. Muthen2
Taxometrics5-25-06  9:43 amBengt O. Muthen2
GMM7-28-10  11:20 amTihomir Asparouhov9
Tech 147-20-06  11:23 amBengt O. Muthen2
How can I improve my PC7-03-08  4:19 pmLinda K. Muthen6
Poisson ACE model7-26-06  4:32 pmBengt O. Muthen2
Latent Profile Transition Analysis (LPTA)5-14-08  9:15 amLinda K. Muthen16
Value of Variables in LPA7-30-06  6:17 pmLinda K. Muthen2
Factor mixture model for 2 classes with 2 factors8-24-06  6:37 amArpana5
Suggestions for cleaner estimation8-15-06  3:51 pmLinda K. Muthen2
Logistic model with LC variable as predictor8-21-06  12:15 amJon Heron3
Use of Mixture Modeling to test for CMB8-24-06  9:12 amBengt O. Muthen7
Feasibility of a Latent Class Analysis8-26-06  11:51 amFernando Terrés de E5
Second-Order Latent Class Model1-31-08  11:50 amMplususer 9
Start Values9-04-09  12:25 pmBengt O. Muthen10
Problem recreating optimal model10-03-06  1:23 amJon Heron5
Multilevel LCA/LCR3-06-09  9:20 amLinda K. Muthen6
Variable Type for latent class analysis11-04-06  8:08 amLinda K. Muthen2
Multiple group approach with latent classes4-08-09  3:15 pmBengt O. Muthen6
Latent construct as a moderator11-09-06  10:04 amLinda K. Muthen2
Problems with LCA with covariates11-09-06  6:06 pmLinda K. Muthen3
How to monitor progress without using tech810-24-08  6:22 pmBengt O. Muthen17
Between level latent class analysis3-18-10  3:02 pmLinda K. Muthen4
Observations for mixture structural models11-24-06  6:15 pmLinda K. Muthen2
LCA with Count Variables8-25-10  3:51 pmLinda K. Muthen17
Correlated variables in LCA?12-15-06  1:36 pmStephen C Messer7
LCA with varying indicators12-15-06  11:41 amBengt O. Muthen2
Tech10 standardized residuals12-08-08  8:52 amLinda K. Muthen4
Multilevel covariates in cross-sectional LCA1-11-07  6:07 amPaul Norris3
Latent class regression Monte Carlo example1-07-07  8:55 amLinda K. Muthen2
Muthen et al. (2002) model 2 syntax8-23-07  5:42 pmLinda K. Muthen6
Latent class analysis with random effect1-22-07  7:34 amLouise Lafortune3
LCA class differences and factorial invariance?2-24-07  3:53 pmBengt O. Muthen4
Variable Type for Mixture Model2-08-07  4:04 pmLinda K. Muthen2
Logit intercepts for MARKOVS2-24-07  4:01 pmBengt O. Muthen3
Factor score-like output in Mixture models2-24-07  4:04 pmBengt O. Muthen2
How to adjust for binary explantory variables3-06-07  8:13 amLinda K. Muthen13
Deriving p-values3-01-07  12:59 amJon Heron3
A question about cross-sectional LCA6-25-10  3:18 pmLinda K. Muthen7
LCA Interpretation of Output6-24-09  9:00 amBengt O. Muthen6
Conditional probabilities in LCA5-10-10  8:31 amLinda K. Muthen17
GMM output3-17-07  1:20 pmBengt O. Muthen4
ZIP output for inflation intercepts9-23-09  6:30 amYuchun Peng2
Multilevel mixture modeling3-20-07  4:46 pmBengt O. Muthen2
Cross Sectional Data with a Preponderance of Zeros3-22-07  5:01 pmBengt O. Muthen2
Regressing outcomes on latent classes9-28-07  11:36 amBengt O. Muthen40
Class membership posterior probability calculation4-16-07  8:50 amBengt O. Muthen4
Convert Probabilities File to SPSS?4-16-07  8:42 amLinda K. Muthen2
Significance of variances of growth factors4-25-07  8:22 amLinda K. Muthen6
Classification of individuals4-20-07  8:54 amLinda K. Muthen5
How to free the variance of model ?4-20-07  7:10 amLinda K. Muthen2
Using LCA outcome to specify different CFA models4-20-07  6:09 amDiederick Niehorster0
LPA with uncorrelated indicators4-20-10  7:02 amLinda K. Muthen6
LCAStandard errors may not be trustworthy4-26-07  5:01 pmBridget E Weller3
Alpha(c)5-21-07  9:18 amLinda K. Muthen4
Ill-conditioned Fisher Matrix 2-02-09  2:28 amdevin terhune2
LCGA several time points10-21-08  9:24 amLinda K. Muthen6
LCA with distal outcome?6-04-07  11:10 amLinda K. Muthen4
Gmm and binary outcome variable5-26-07  6:33 amLinda K. Muthen2
MPlus LCA versus PROC LCA (SAS)6-08-07  2:50 pmLinda K. Muthen4
Latent Class Analysis or EFA6-04-07  10:52 amLinda K. Muthen3
Standardized residuals for LCMs6-04-07  10:48 amLinda K. Muthen2
Writing to savedata file8-06-09  11:05 amLinda K. Muthen8
Comparing model fit when changing assumptions6-26-07  10:28 amCarla Bann3
Individual estimates: simultaneous mix mod7-26-07  8:37 pmBengt O. Muthen9
Histograms8-08-07  6:54 pmThuy Nguyen4
Continuous distal outcomes with LPA8-23-07  3:12 pmLinda K. Muthen4
LCA logit threshold9-02-07  12:18 pmLinda K. Muthen6
A Beginner's LTA question6-19-09  6:01 pmBengt O. Muthen6
Fixing latent classes?7-24-08  10:24 amBengt O. Muthen8
What is a good value of entropy3-20-09  1:17 pmBengt O. Muthen8
Number of variables compared to subjects9-25-07  6:20 amLinda K. Muthen2
How to see cohesion of a class (or is it possble?)9-30-07  11:24 pmShig ONO5
CFA Mixture + Covariates8-12-10  9:29 amLinda K. Muthen29
Latent class probability scale10-05-07  9:15 amLinda K. Muthen2
Changing order of classes for LMR test10-09-07  2:21 pmLinda K. Muthen2
Mixture model with Count data: mean growth factors2-26-09  9:46 amLinda K. Muthen6
LTA mover/stayer: thresholds 3-13-09  2:44 pmBengt O. Muthen8
Another basic question7-21-08  11:45 amLinda K. Muthen10
Finding mixtures of level two variables10-18-07  9:57 amLinda K. Muthen2
Multigroup mixture modelling using Knownclass12-16-09  12:03 pmLinda K. Muthen11
Running Mplus remotely on a cluster10-23-07  7:39 amJon Heron5
Problems with plot10-29-07  6:42 amRamin Mojtabai0
Intercepts/factor means in the LCA-model11-01-07  9:23 amBengt O. Muthen2
Macintosh files and "observations is 0" error11-10-07  11:01 amJohn Fulwider1
GMM trajectories to predict outcomes11-13-07  7:14 amBengt O. Muthen3
LCGA with count outcome11-17-07  6:16 amBengt O. Muthen4
Testing model fit in GMM11-16-07  9:11 amBengt O. Muthen2
Regressing 1 LCA on another LCA4-07-09  1:40 pmTihomir Asparouhov21
Problem with Mplus 511-28-07  9:13 amBoliang Guo3
LCA with many covariates12-12-07  10:17 amBengt O. Muthen2
Reordering latent classes, output problems12-30-07  4:20 pmLinda K. Muthen2
Minimal number of cases in GMM1-29-08  2:07 pmLinda K. Muthen2
Factor mixture model with continuous variables11-06-09  6:53 pmAnthony A7
Latent growth modeling6-12-09  11:54 amNicholas Bishop4
Parallel Processes - Part 16-22-09  6:35 amSofie Wouters11
Log-linear effect parameterization3-20-09  3:08 pmmpduser114
LCA: Sample Size & Subgroup Comparisons3-03-08  8:57 amLinda K. Muthen2
Nonstandard finite mixture3-05-08  7:18 amDaniela Sotres3
Mardia test in type=general meanstructure 3-13-08  6:03 amLinda K. Muthen2
Variance and covariance3-19-08  5:37 amaleksandar0
GoM in MPlus7-16-08  2:46 pmJeff Williams2
Two part mixture1-05-09  6:49 amLinda K. Muthen18
Timing Comparison5-26-09  8:16 amLinda K. Muthen8
Multiple grp 2 part growth equality constraints 4-08-08  12:45 pmLinda K. Muthen4
Operators in model constraint section4-08-08  9:58 amLinda K. Muthen2
Validation of mixture model solution5-03-08  9:15 amLinda K. Muthen8
Unusually high odds ratio4-29-08  6:27 pmBengt O. Muthen2
Random starts results in Mplus 55-01-08  9:26 amLinda K. Muthen2
Identical iterations5-06-08  12:34 pmLinda K. Muthen2
Regime switching in GMM5-07-08  5:56 pmLinda K. Muthen2
LCA and longitudinal analysis8-05-09  4:49 pmBengt O. Muthen4
LPA with composite index?5-11-08  12:32 pmMplus fan one3
Unperturbed starting values7-06-10  8:10 amLinda K. Muthen22
Descriptive statistics5-27-08  10:22 amLinda K. Muthen2
Multiple Groups and CFA Mixture Modeling6-03-08  11:25 amBengt O. Muthen4
Mixture optimization algorithm6-04-08  2:52 pmBengt O. Muthen3
LCA vs cluster analysis6-08-08  3:33 amJan Ivanouw3
Batch files of multiple models8-10-09  6:45 amLinda K. Muthen4
Training data worsens fit of mixture model?6-17-08  4:48 pmBengt O. Muthen2
Random draw from a 2-normal mixture structure6-23-08  6:34 pmBengt O. Muthen2
Entropies6-26-08  9:05 amLinda K. Muthen2
Normality and GMM7-08-08  9:01 amBengt O. Muthen4
Quick BLRT question7-08-08  9:11 amLinda K. Muthen2
Correlated residuals in LCA7-15-08  11:26 amLinda K. Muthen4
Different growth curve models in GMM10-22-08  7:33 amBengt O. Muthen8
Error: Variable [...] removed from usevariables8-09-08  7:48 pmCristian Dogaru7
LCA on orthogonal principle components7-29-08  10:00 amDaran Ravden3
LTA with interaction8-05-08  9:09 amBeth Reboussin0
The sign of a latent variable8-05-08  6:43 pmBengt O. Muthen2
Formative vs reflective indicaotrs in LCA8-15-08  4:38 pmCristian Dogaru3
Relaxing restrictions in GMM8-18-08  6:56 pmBengt O. Muthen4
Inconsistent BLRT across comparable models8-18-08  8:34 amLinda K. Muthen5
Latent Class Question11-02-08  7:37 amBengt O. Muthen4
Starting values in LGMM9-03-08  2:23 pmAnthony Mancini3
IRT Model: Estimating Group-level Ability9-04-08  12:39 pmBob Houchens3
FMA9-07-08  10:51 amBengt O. Muthen2
ALTA in Mplus3-12-10  5:52 amLinda K. Muthen4
Problem with constraints10-03-08  7:53 amGuillaume Filteau3
Observed Items with Mixed Measurement Levels10-07-08  10:25 amLinda K. Muthen4
Likelihood function: Unboundedness & local maxima10-08-08  10:08 pmGuillaume Filteau3
Should variables be correlated when doing a LCA?11-06-08  8:45 amLinda K. Muthen4
Using classes for prediction10-22-08  7:39 amBengt O. Muthen2
Categorical indicators & thresholds10-29-08  8:06 amLinda K. Muthen6
Latent categorical variables sharing indicators10-29-08  10:18 amGuillaume Filteau3
Latent variable as predictor of latent class?10-29-08  8:53 amLinda K. Muthen4
Warnings in LCA output3-01-10  9:24 amLinda K. Muthen6
Effective weights in Growth Mixture Models11-04-08  1:31 pmTihomir Asparouhov4
Tech1 output as a text file?2-04-09  3:28 pmLinda K. Muthen6
Ordinal, Nominal and Interval Indicators11-18-08  8:09 amBengt O. Muthen11
Examples from Muthén (2004) chapter missing?11-12-08  8:21 amLinda K. Muthen2
Tech 11: Constraining LCA solutions 11-10-08  9:12 amLinda K. Muthen2
Equivalence of FMM & LCA/LPA ?11-12-08  6:47 pmGuillaume Filteau0
CFA mixture model: reference category change11-28-08  4:36 pmBengt O. Muthen2
GMM with binary covariate influencing class12-01-08  6:50 amBengt O. Muthen4
Auxiliary option2-12-09  9:25 amBengt O. Muthen11
Partial conditional independence12-03-08  11:41 amLinda K. Muthen2
Latent class analysis with nominal indicators12-04-08  9:25 amBengt O. Muthen2
Processing speed12-17-08  6:57 amLinda K. Muthen2
Interpreting output for predictors 1-21-09  1:53 amSophie Barthel10
Predicted scores for outcome of class membership8-24-10  2:53 pmLinda K. Muthen8
Local Independence Assumption11-27-09  10:33 amBengt O. Muthen10
GMM with binary outcome2-03-09  11:50 amBengt O. Muthen2
Individual growth parameter estimates2-03-09  4:29 pmLinda K. Muthen2
Predicting latent growth factors in LCGA2-05-09  10:44 amBengt O. Muthen2
Constrain one class2-20-09  5:04 amBengt O. Muthen2
Largest class being last class2-20-09  7:37 amLinda K. Muthen2
Duration of analytic runs2-25-09  11:28 amLinda K. Muthen2
LCA: covariates and multuple groups2-26-09  9:57 amLinda K. Muthen2
Factor mixture 3-09-09  6:56 pmLinda K. Muthen5
Regressing growth factors on covariates10-14-09  5:32 pmBengt O. Muthen6
Why do fit indices change?3-20-09  1:19 pmBengt O. Muthen2
Nominal Dep. Vari with Latent Class & Latent Vari3-25-09  7:04 pmBengt O. Muthen2
Graphing problem3-27-09  9:19 amLinda K. Muthen2
LCA using classes to predict a continuous outcome1-21-10  10:14 amBengt O. Muthen20
LCA_questions3-31-09  4:26 pmCecilia Reyna3
Listwise deletion and mixture4-09-09  5:48 pmLinda K. Muthen2
Obtaining means in LGMM with covariates4-22-09  9:37 amLinda K. Muthen4
Mixture Modeling with Cross-Sectional Data12-16-09  11:59 amLinda K. Muthen9
Compute elasticities & marginal effects for a LCM4-22-09  6:11 pmBengt O. Muthen3
Sava data in GMM4-23-09  3:58 pmLinda K. Muthen2
ZIP5-07-09  5:30 pmBengt O. Muthen2
Multiple processors5-12-09  9:02 amDaniel Rodriguez5
LCA with correlated covariates5-15-09  9:14 amLinda K. Muthen2
Fundamental Issues in GGMM5-19-09  7:21 pmLinda K. Muthen4
No substance use class5-26-09  6:30 amDaniel Rodriguez3
Growth Mixture Modeling and Missing Data6-10-09  6:08 amLinda K. Muthen6
Interpretaton of regression coefficients6-15-09  5:15 pmFuzhong Li3
Investigating DIF with factor mixture models2-24-10  5:14 pmLinda K. Muthen8
Item R-square5-28-09  12:54 pmTim Stickle3
Parallel Process Growth Modeling6-04-09  9:21 amLinda K. Muthen2
Decide linear or quadratic for GMM model6-04-09  9:47 amLinda K. Muthen2
LCA-model fit with alternative not nested classes6-06-09  4:48 amAndres Cardona5
GMM with multiple imputation6-08-09  4:30 pmLinda K. Muthen2
class-specific means of each time point6-12-09  8:18 amLinda K. Muthen2
GMM appropriate6-12-09  8:41 amLarry Bryant3
Data10-11-09  10:38 amLinda K. Muthen4
Invariance in factor structure6-17-09  2:17 pmLinda K. Muthen2
Latent Class Analysis with covariates and outcomes6-19-09  9:42 amLinda K. Muthen2
Setting latent class membership N's6-19-09  9:30 amLinda K. Muthen2
Cfa and lpa6-23-09  12:27 pmBengt O. Muthen3
.out files problems6-24-09  9:03 amBengt O. Muthen2
"alternative parameterizations" formula?6-26-09  11:58 amBengt O. Muthen2
Need reference for auxiliary command test7-03-09  1:38 pmBengt O. Muthen2
Mixture Regression7-29-09  4:41 pmLinda K. Muthen2
Diverging LMR and BLRT p-values7-31-09  12:26 pmBengt O. Muthen2
LCGA and singular matrix8-12-09  9:01 amLinda K. Muthen2
Mixed Latent Markov Modeling8-12-09  8:57 amLinda K. Muthen2
LCA with known classes using training variables8-18-09  4:49 pmBengt O. Muthen5
Forcing class membership8-24-09  7:19 amLinda K. Muthen2
BIC vs. LRT and singularity9-22-09  10:42 amLinda K. Muthen6
Latent Transition Analysis9-04-09  12:34 pmGuillaume Filteau3
Modeling 2 Reciprocating Feedback Processes9-17-09  4:58 pmChyke Doubeni3
LPA and GMM10-02-09  9:39 amAmir Sariaslan4
Repeated events (Cox model)10-13-09  10:38 amAmir Sariaslan6
Random effect in the GMM model10-14-09  12:41 pmAmir Sariaslan4
LCA + non-observed patterns10-22-09  2:37 amJon Heron6
Free constrained variance 10-29-09  9:27 amLinda K. Muthen2
Fmm for continuous variables11-11-09  10:52 amLinda K. Muthen4
LPA with Covariates with chosen refenrence class11-05-09  7:56 amJochebd G Gayles0
Item Response Probabilities11-17-09  4:07 pmLinda K. Muthen2
Item Parceling with Mixture Models11-29-09  4:59 pmBengt O. Muthen2
Order of latent classes, GMM12-04-09  11:48 amLinda K. Muthen4
Variance in growth mixture model12-15-09  11:28 amBengt O. Muthen2
Predicting existing trajectories2-08-10  2:58 amBonamy Oliver5
Covariates in Growth Mixture Modeling2-12-10  9:28 amLinda K. Muthen4
Loglikelihood replication2-20-10  9:27 amLinda K. Muthen2
Non-recursive model in latent class analysis2-22-10  5:33 pmBengt O. Muthen2
Latent class with covariates: estimation of (c1)?2-27-10  3:14 pmLinda K. Muthen8
MLF8-31-10  4:28 pmBengt O. Muthen4
Metric of Indicators for GMM4-01-10  9:48 amBengt O. Muthen4
Comparing Optimal Model Fit to Alternative Model3-05-10  4:02 pmLinda K. Muthen4
LPA: Cluster Size Minimum?3-14-10  2:39 pmMary Edmond3
Two-staged regression3-17-10  9:22 amLinda K. Muthen2
How much of a big deal is tech10?4-16-10  12:42 amJon Heron7
Curves predicting curves3-26-10  9:25 amLinda K. Muthen2
Mplus capabilities with very large datasets3-26-10  9:30 amLinda K. Muthen2
Fitting a multivariate latent trait model in Mplus3-30-10  8:29 amLinda K. Muthen4
Wald test for mean equality4-12-10  10:23 amJohn Dziak4
Power for LCA analysis4-21-10  9:06 amLinda K. Muthen2
LCA and sample size9-01-10  11:32 amBengt O. Muthen4
LCA/LTA using multiply imputed data4-25-10  10:14 amLinda K. Muthen11
Mixture Rasch model4-22-10  8:46 amLinda K. Muthen3
Multigroup LCA, Covariates, Non-Replication4-23-10  10:14 amJames Swartz3
CFA mixture 1-class/baseline model4-23-10  4:25 pmDoug Snee3
Complex Survey Data4-29-10  6:11 amLinda K. Muthen2
Program for LCFA 6-23-10  11:00 amLinda K. Muthen4
Mixed dependent variable5-09-10  8:13 amTobias Schulte1
Skewed varaibles for latent class/profile analysis5-13-10  7:56 amBengt O. Muthen2
Bizarre Threshold Estimates5-16-10  10:07 amLinda K. Muthen2
Problem about mixture regression 5-20-10  5:36 amIris SUN0
Question on LFA5-22-10  1:01 pmLinda K. Muthen3
Use Variables List6-23-10  11:02 amLinda K. Muthen2
Estimating classes at Respondent level7-16-10  9:29 amLinda K. Muthen9
Pausing Mplus computation7-08-10  10:10 amLinda K. Muthen2
Factor mixture modeling - changing start values7-10-10  5:51 amLinda K. Muthen2
Warning LCA7-14-10  7:41 amJon Heron2
Estimated Probabilities as function of covariates7-22-10  2:24 pmLinda K. Muthen2
LPA predicting growth factors?7-27-10  5:11 pmRebecca Shearer6
LCA distal outcomes and covariates8-04-10  9:46 amJon Heron7
ZIP GMM Sample Statistics & Graphs7-30-10  9:48 amLinda K. Muthen2
Loglikelihood8-04-10  5:42 amVlad5
Association between categorical latent variables8-28-10  8:02 amLinda K. Muthen2
Specifying latent class indicators in mixture reg.9-06-10  8:47 amBengt O. Muthen2
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