| symSEM-package | Symbolic Computation for Structural Equation ModelsSymbolic Computation for Structural Equation Models | 
| as.matrix | Convert a Ryacas Symbolic Matrix to a Character Matrix | 
| as.matrix.yac_symbol | Convert a Ryacas Symbolic Matrix to a Character Matrix | 
| deltamethod | Compute the Variance-Covariance Matrix of Functions using the first-order Delta Method | 
| impliedS | Compute a Symbolic Model-Implied Covariance/Correlation Matrix | 
| sym | Convert a Character Expression to Ryacas Symbol or matrix | 
| symSEM | Symbolic Computation for Structural Equation ModelsSymbolic Computation for Structural Equation Models |