Table 3. Twinning analysis of both sets processed in I4.

	Observed		Theoretical
	Set 1 (I4)	Set 2 (I4)	Untwinned	Perfect twin
Wilson ratio
〈I 2〉/〈I〉2	2.116	2.182	2.0	1.5
Padilla and Yeates statistics (Padilla & Yeates, 2003 ▶)
〈|L|〉	0.497	0.504	0.5	0.375
〈L 2〉	0.329	0.337	0.333	0.2