Nothing
knitr::opts_chunk$set( collapse = TRUE, comment = "#>" )
library(lcsm)
The example below shows how to specify a generic univariate latent change score model using the function specify_uni_lcsm()
.
uni_lcsm_syntax <- specify_uni_lcsm(timepoints = 5, var = "x", change_letter = "g", model = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE))
# To get a readable output use cat() function cat(uni_lcsm_syntax)
uni_lcsm_syntax_add <- specify_uni_lcsm(timepoints = 3, var = "x", change_letter = "g", add = "# JUST ANOTHER COMMENT", model = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE))
# To get a readable output use cat() function cat(uni_lcsm_syntax_add)
# Specify bivariate LCSM lavaan_bi_lcsm_delta_01 <- specify_bi_lcsm(timepoints = 5, var_x = "x", model_x = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE), var_y = "y", model_y = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE), coupling = list(delta_lag_xy = TRUE, delta_lag_yx = TRUE), change_letter_x = "g", change_letter_y = "j")
# To get a readable output use cat() function cat(lavaan_bi_lcsm_delta_01)
# Specify bivariate LCSM lavaan_bi_lcsm_xi_01 <- specify_bi_lcsm(timepoints = 5, var_x = "x", model_x = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE), var_y = "y", model_y = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE), coupling = list(xi_lag_xy = TRUE, xi_lag_yx = TRUE), change_letter_x = "g", change_letter_y = "j")
# To get a readable output use cat() function cat(lavaan_bi_lcsm_xi_01)
# Specify bivariate LCSM lavaan_bi_lcsm_xi_add <- specify_bi_lcsm(timepoints = 3, var_x = "x", model_x = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE), var_y = "y", model_y = list(alpha_constant = TRUE, beta = TRUE, phi = TRUE), coupling = list(xi_lag_xy = TRUE, xi_lag_yx = TRUE), add = "age ~~ age_j2 * j2", change_letter_x = "g", change_letter_y = "j")
# To get a readable output use cat() function cat(lavaan_bi_lcsm_xi_add)
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