Table 2

Procrustes ANOVA on centroid size and shape of the subset of 20 brown trout specimens digitized twice to assess measurement error (SS − sum of squares, MS − mean squares, df − degrees of freedom, F − F ratio).

Effect SS MS df F p (parametric)
Centroid size          
Individual 1336.3827 70.3359 19 1378.1500 <0.0001
Digitization error 1.0207 0.0510 20    
Individual 0.0438 6.7760E-5 646 14.2800 <0.0001
Digitization error 0.0032 4.7435E-6 680    

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