Table 1 Stepwise analysis of molecular variance table for G external variables, J maternal individuals

From: Two-generation analysis of pollen flow across a landscape V: a stepwise approach for extracting factors contributing to pollen structure

Source

df

SS

E[MS]

External

G

tr[HE(YY′)]

 

Among strata

J-G-1

tr[HM(RR′)]

σW2+KσA2

Error

N-J

tr[(I−HM)(RR′)]

σ W 2

Total

N-1

tr[(YY′)]

 
  1. Matrix notation for sums of squares follow notation in text and tr[] denotes the trace. The coefficient K is equal to the number of offspring sampled from each mother, assuming equality of sample size. With unequal sample sizes, the coefficient should be adjusted according to Searle (1997).
Back to article page