Table 2:

Comparison of utilized learning methods

Learning Method	Representation	Causal Intrepretation	Latents	Correctness Proof
GLASSO	Undirected graph	no	no	yes
Hillclimbing	DAG	yes	no	no
GFCI	PAG	yes	allowed yes
Factor analysis	Factor model	no	modeled no
FOFC	Latent variable model	yes	modeled	yes