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Table 3 Formula and results of the regression on Procrustes residuals of the head shapes in the specimen reared individually

From: Multivariate analysis of morphology, behaviour, growth and developmental timing in hybrids brings new insights into the divergence of sympatric Arctic charr morphs

Formula
Procrustes coordinates ~ log10(size) + Cross/Family + log10(size) × Cross/Family + Age × Coss/Family
Table of variance
Effects d.f SS R2 Z p
Log(size) 1 5.17 0.62 7.80 < 0.01
Cross type 2 0.06 0.01 − 1.18 0.88
Age 3 0.63 0.07 9.47 < 0.01
Cross type × Family 5 0.25 0.03 8.07 < 0.01
Cross type × log(size) 2 0.02 0.00 − 2.64 1.00
Cross type × Age 6 0.07 0.01 − 3.09 1.00
Cross type × log(size) × Family 5 0.06 0.01 4.08 < 0.01
Cross type × Age × Family 15 0.10 0.01 3.63 < 0.01
Residuals 626 2.06 0.24
Total 665 8.40
  1. Families are nested within cross type. Age: Sampling time point, Size: Centroid size