data_bi_lcsm            Longitudinal dataset with repeated measures of
                        two constructs
data_uni_lcsm           Longitudinal dataset with repeated measures of
                        one constructs
extract_fit             Extract fit statistics of lavaan objects
extract_param           Extract labelled parameters of lavaan objects
fit_bi_lcsm             Fit bivariate latent change score models
fit_uni_lcsm            Fit univariate latent change score models
lcsm_data               Longitudinal dataset with repeated measures of
                        two constructs
plot_lcsm               Plot simplified path diagram of univariate and
                        bivariate latent change score models
plot_trajectories       Plot individual trajectories
rename_lcsm_vars        Rename variables for univariate and bivariate
                        latent change score models
select_bi_cases         Select cases based on minimum number of
                        available session scores on two longitudinal
                        measures
select_uni_cases        Select cases based on minimum number of
                        available session scores on one longitudinal
                        measure
sim_bi_lcsm             Simulate data from bivariate latent change
                        score model parameter estimates
sim_uni_lcsm            Simulate data from univariate latent change
                        score model parameter estimates
specify_bi_lcsm         Specify lavaan model for bivariate latent
                        change score models
specify_uni_lcsm        Specify lavaan model for univariate latent
                        change score models
