Table 2

Sum of squares calculations for illustrative data
Treatment
 Observation (x)
 Treatment mean (fitted value)
 Treatment mean - grand mean (explained deviation)
 x - treatment mean (residual)
 x - grand mean (total deviation)
1
 10
 12
 -4
 -2
 -6
1
 12
 12
 -4
 0
 -4
1
 14
 12
 -4
 2
 -2
2
 19
 20
 4
 -1
 3
2
 20
 20
 4
 0
 4
2
 21
 20
 4
 1
 5
3
 14
 16
 0
 -2
 -2
3
 16
 16
 0
 0
 0
3
 18
 16
 0
 2
 2


Sum of squares
 96
 18
 114

Bewick et al. Critical Care 2004 8:130   doi:10.1186/cc2836