* Estimation and simulation of latent variable models

** Model building 

Range.lvm               Define range constraints of parameters
addvar                  Add variable to (model) object
baptize                 Label elements of object
cancel                  Generic cancel method
children                Extract children or parent elements of object
constrain<-             Add non-linear constraints to latent variable model
covariance              Add covariance structure to Latent Variable Model
eventTime               Add an observed event time outcome to a latent variable model.
intercept               Fix mean parameters in 'lvm'-object
kill                    Remove variables from (model) object.
labels<-                Define labels of graph
lvm                     Initialize new latent variable model
makemissing             Create random missing data
parpos                  Generic method for finding indeces of model parameters
path                    Extract pathways in model graph
plot.lvm                Plot path diagram
regression<-            Add regression association to latent variable model
subset.lvm              Extract subset of latent variable model
timedep                 Time-dependent parameters
vars                    Extract variable names from latent variable model

** Model inference

Graph                   Extract graph
Model                   Extract model
bootstrap               Generic bootstrap method
bootstrap.lvm           Calculate bootstrap estimates of a lvm object
confint.lvmfit          Calculate confidence limits for parameters
compare                 Statistical tests Performs Likelihood-ratio, Wald and score tests
correlation             Generic method for extracting correlation coefficients of model object
curereg                 Regression model for binomial data with unkown group of immortals
equivalence             Identify candidates of equivalent models
estimate.default        Aggregation of parameters and data
estimate.lvm            Estimation of parameters in a Latent Variable Model (lvm)
gof                     Extract model summaries and GOF statistics for model object
iid                     Extract i.i.d. decomposition (influence function) from model object
lava.options            Set global options for 'lava'
modelsearch             Model searching
multinomial		Estimate probabilities in contingency table
partialcor              Calculate partial correlations
predict.lvm             Prediction in structural equation models
scheffe			Simulatenous confidence bands (lm)
sim                     Simulate model
startvalues             Starting values
contr			Create contrast matrices

** Utilities

%+%                     Concatenation operator
%ni%                    Matching operator (x not in y) oposed to the '%in%'-operator (x in y)
By                      Apply a Function to a Data Frame Split by Factors
Col                     Generate a transparent RGB color
Combine                 Report estimates across different models
Expand                  Create a Data Frame from All Combinations of Factors
Id                      Identify points on plot
PD                      Dose response calculation for binomial regression models
blockdiag               Combine matrices to block diagonal structure
colorbar		Add colorbar to plot
confband                Add Confidence limits bar to plot
devcoords               Returns device-coordinates and plot-region
org                     Convert object to ascii suitable for org-mode
plotConf                Plot regression lines
revdiag                 Create/extract 'reverse'-diagonal matrix
toformula               Converts strings to formula
tr                      Trace operator
trim                    Trim tring of (leading/trailing/all) white spaces

** Datasets

bmd                     Longitudinal Bone Mineral Density Data (Wide format)
bmidata                 Data
brisa                   Simulated data
calcium                 Longitudinal Bone Mineral Density Data
hubble                  Hubble data
hubble2                 Hubble data
indoorenv               Data
nldata                  Example data (nonlinear model)
missingdata             Data
nsem                    Example SEM data (nonlinear)
semdata                 Example SEM data
serotonin               Serotonin data
serotonin2              Data
twindata                Twin menarche data



