Table 6. Kolmogorov-Smirnov test results (alpha = 0.05) concerning the distribution of archaeological pips on axes 1 and 2 of the PCA according to chronology, geographic situation and type of site.

	PCA Axis 1		PCA Axis 2
	D	p-value	D	p-value
Chronology; 50 BCE-225 CE vs. 225–600 CE	0.203	<0,0001	0.050	0.597
Geographic situation; Northern Rhône valley vs. Mediterranean	0.121	0.002	0.129	0.001
Type of site; Rural vs. Urban	0.080	0.060	0.056	0.345