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. 2011 Oct 3;6(10):e25630. doi: 10.1371/journal.pone.0025630

Table 3. Shape variation.

effect explained SS SS MS df F P
populations 2.8% 0.066 0.003686 18 1.916 0.012
error for locality 1.489 0.001924 774
trees 63.0% 1.489 0.001924 774 1.846 <0.0001
error for tree 0.807 0.001042 774
leaves (individual) 34.1% 0.807 0.001042 774 1340.927 <0.0001
error for individual1 0.1% 0.001 0.000001 1584
total 100.0% 2.364

Hierarchical sum of squares Procrustes ANOVA: main effect, populations; random factors: trees, leaves.

1

Measurement error.