| 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 |
| 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 |