20250726 - additional resources

Author: isaactpetersen

sem.Rmd

@@ -17,6 +17,8 @@ options(scipen = 999)
 
 # Preamble
 
+For a resource on using `lavaan` in `R` for structural equation modeling, see the following e-book: https://tdjorgensen.github.io/SEM-in-Ed-compendium
+
 ## Install Libraries
 
 ```{r, class.source = "fold-hide"}
@@ -104,7 +106,15 @@ ggplot(
 
 # Latent Growth Curve Model {#lgcm}
 
-## Linear Model {#linearLGCM}
+See the chapter on latent growth curve modeling in `lavaan`: https://tdjorgensen.github.io/SEM-in-Ed-compendium/ch27.html.
+
+For extensions, see the following resources:
+
+- growth curves using latent indicators (rather than observed indicators): https://tdjorgensen.github.io/SEM-in-Ed-compendium/ch27.html#latent-indicators-of-growth-factors
+- growth curves using discrete indicators (rather than continuous indicators): https://tdjorgensen.github.io/SEM-in-Ed-compendium/ch27.html#discrete-indicators
+- parallel growth curves: https://tdjorgensen.github.io/SEM-in-Ed-compendium/ch27.html#parallel-growth-curves
+
+## Linear Growth Curve Model {#linearLGCM}
 
 ### Model Syntax
 
@@ -395,7 +405,7 @@ ggplot(
     linewidth = 2)
 ```
 
-## Latent Basis Model {#latentBasisLGCM}
+## Latent Basis Growth Curve Model {#latentBasisLGCM}
 
 ### Model Syntax
 
@@ -647,9 +657,13 @@ ggplot() +
   )
 ```
 
-## Quadratic Model {#quadraticLGCM}
+## Quadratic Growth Curve Model {#quadraticLGCM}
+
+## Spline Growth Curve Model {#splineLGCM}
+
+## Saturated Growth Curve Model {#saturatedGCM}
 
-## Spline Model {#splineLGCM}
+https://tdjorgensen.github.io/SEM-in-Ed-compendium/ch27.html#saturated-growth-model
 
 # Latent Change Score Model {#lcsm}