| figOutput-class | S4 Class for displaying figures | 
| FSOutput-class | S4 Class for estimated factor scores and their standard errors. | 
| getEstimateStats | Calculate p-Values and Confidence Intervals of Parameters for a Fitted Model | 
| getFigure | Generate Visualization for Fitted Model | 
| getIndFS | Derive Individual Factor Scores for Each Latent Variable Included in Model | 
| getLatentKappa | Compute Latent Kappa Coefficient for Agreement between Two Latent Label Sets | 
| getLCSM | Fit a Latent Change Score Model with a Time-invariant Covariate (If Any) | 
| getLGCM | Fit a Latent Growth Curve Model with Time-invariant Covariate (If Any) | 
| getLRT | Perform Bootstrap Likelihood Ratio Test for Comparing Full and Reduced Models | 
| getMediation | Fit a Longitudinal Mediation Model | 
| getMGM | Fit a Multivariate Latent Growth Curve Model or Multivariate Latent Change Score Model | 
| getMGroup | Fit a Longitudinal Multiple Group Model | 
| getMIX | Fit a Longitudinal Mixture Model | 
| getPosterior | Compute Posterior Probabilities, Cluster Assignments, and Model Entropy for a Longitudinal Mixture Model | 
| getSummary | Summarize Model Fit Statistics for Fitted Models | 
| getTVCmodel | Fit a Latent Growth Curve Model or Latent Change Score Model with Time-varying and Time-invariant Covariates | 
| KappaOutput-class | S4 Class for kappa statistic with confidence interval and judgment. | 
| ModelSummary | S4 Generic for summarizing an optimized MxModel. | 
| ModelSummary-method | S4 Method for summarizing an optimized MxModel. | 
| myMxOutput-class | Standard Methods (S4) for the package | 
| postOutput-class | S4 Class for posterior probabilities, membership, entropy, and accuracy (when applicable) | 
| printTable | S4 Generic for displaying output in a table format. | 
| printTable-method | S4 Method for printing estimated factor scores and their standard errors | 
| printTable-method | S4 Method for printing kappa statistic with $95%$ CI and judgement for agreement. | 
| printTable-method | S4 Method for printing p values and confidence intervals (when applicable) | 
| printTable-method | S4 Method for printing point estimates with standard errors | 
| printTable-method | S4 Method for printing posterior probabilities, membership, entropy, and accuracy. | 
| RMS_dat | ECLS-K (2011) Sample Dataset for Demonstration | 
| show-method | S4 Method for displaying figures. | 
| StatsOutput-class | S4 Class for p values and confidence intervals (when specified). |