Complete result settings for Plants dataset (table columns are sortable)
The experiments are described in Rooshenas and Lowd, Discriminative Structure Learning of Arithmetic Circuits, AIStats 16

Split Penalty	Standard Deviation	L1 Penalty	Train LL	Validation LL	Test LL	Node#	Edge#	Feature#	Learning Time
10	0.1	2	-12.784081	-13.138731	-13.065521	751593	1748823	1954	13576.939990
10	0.5	2	-12.840288	-13.206935	-13.166008	783937	1832592	2432	15037.332977
10	0.1	0.1	-12.741355	-13.110473	-13.073554	839589	1955660	2570	17788.134791
10	0.5	0.1	-12.717833	-13.099556	-13.089155	832996	1931487	2710	19238.740266
10	0.1	1	-12.748343	-13.104181	-13.087208	830254	1922583	2570	19545.199677
10	0.5	1	-12.711777	-13.082214	-13.044763	842470	1937713	2644	19428.599403
5	0.1	2	-12.656116	-13.046762	-13.014332	842911	1957780	2760	20794.619736
5	0.1	1	-12.592260	-12.998972	-12.946179	836789	1929752	3774	26345.525871
5	0.5	1	-12.540558	-12.960770	-12.923710	851354	1969040	3896	30950.627789
5	0.5	2	-12.607840	-13.026637	-13.013419	831604	1936108	3782	32591.318365
5	0.1	0.1	-12.563827	-13.000209	-12.927770	835875	1933115	4002	32919.435484
5	0.5	0.1	-12.574866	-13.036533	-12.972177	828927	1911670	4204	34237.852054
2	0.1	2	-12.444950	-12.861260	-12.812536	862012	1984564	4504	52488.364555
2	0.1	1	-12.433347	-12.873594	-12.851131	841096	1930900	6170	66270.973280
2	0.5	2	-12.435772	-12.922133	-12.859816	786711	1820907	6036	72222.316538
2	0.1	0.1	-12.436535	-12.915651	-12.868210	834482	1907187	6538	75822.885168
2	0.5	0.1	-12.395168	-12.935130	-12.886486	550722	1250163	6888	77283.603106
2	0.5	1	-12.338958	-12.854771	-12.824273	759064	1724349	6650	78148.270656