PERMANOVA
Permutational MANOVA

Resemblance worksheet
Name: Asteroid Shelf
Data type: Similarity
Selection: All
Resemblance: S17 Bray Curtis similarity (+d)

Sums of squares type: Type III (partial)
Fixed effects sum to zero for mixed terms
Permutation method: Permutation of residuals under a reduced model
Number of permutations: 9999

Factors
Name	Abbrev.	Type	Levels
Period	Pe	Fixed	     3
Treatment	Tr	Fixed	     2

PERMANOVA table of results
	  	      	      	         	       	Unique
Source	df	    SS	    MS	 Pseudo-F	P(perm)	 perms
Pe	 2	136.92	68.459	   1.1988	 0.3208	  9954
Tr	 1	62.311	62.311	   1.0911	 0.3137	  9883
PexTr**	 1	1.3296	1.3296	2.3282E-2	 0.8872	  9896
Res	28	  1599	57.108	         	       	      
Total	32	1819.1	      	         	       	      

** Term has one or more empty cells

Details of the expected mean squares (EMS) for the model
Source	EMS
Pe	1*V(Res) + 8.8008*S(Pe)
Tr	1*V(Res) + 7.3577*S(Tr)
PexTr	1*V(Res) + 3.6788*S(PexTr)
Res	1*V(Res)

Construction of Pseudo-F ratio(s) from mean squares
Source	Numerator	Denominator	Num.df	Den.df
Pe	1*Pe	1*Res	     2	    28
Tr	1*Tr	1*Res	     1	    28
PexTr	1*PexTr	1*Res	     1	    28

Estimates of components of variation
Source	Estimate	Sq.root
S(Pe)	  1.2898	 1.1357
S(Tr)	 0.70721	0.84096
S(PexTr)	 -15.162	-3.8938
V(Res)	  57.108	  7.557