check_meanstruct_spec(): remove

it should always match implied

Author: Alexey Stukalov

src/implied/RAM/generic.jl

@@ -94,8 +94,6 @@ function RAM(
 )
     ram_matrices = convert(RAMMatrices, spec)
 
-    check_meanstructure_specification(meanstructure, ram_matrices)
-
     # get dimensions of the model
     n_par = nparams(ram_matrices)
     n_obs = nobserved_vars(ram_matrices)

src/implied/RAM/symbolic.jl

@@ -88,8 +88,6 @@ function RAMSymbolic(
 )
     ram_matrices = convert(RAMMatrices, spec)
 
-    check_meanstructure_specification(meanstructure, ram_matrices)
-
     n_par = nparams(ram_matrices)
     par = (Symbolics.@variables θ[1:n_par])[1]
 

src/implied/abstract.jl

@@ -32,17 +32,3 @@ function check_acyclic(A::AbstractMatrix; verbose::Bool = false)
         return A
     end
 end
-
-# Verify that the `meanstructure` argument aligns with the model specification.
-function check_meanstructure_specification(meanstructure, ram_matrices)
-    if meanstructure & isnothing(ram_matrices.M)
-        throw(ArgumentError(
-            "You set `meanstructure = true`, but your model specification contains no mean parameters."
-        ))
-    end
-    if !meanstructure & !isnothing(ram_matrices.M)
-        throw(ArgumentError(
-            "If your model specification contains mean parameters, you have to set `Sem(..., meanstructure = true)`."
-        ))
-    end
-end