Fig. 2
From: Sample size calculation in multi-centre clinical trials

Expectation of Δ2|r. Conditional expected imbalance between treatment groups for allocation parameter k=1,2,3 and various numbers of subjects r=1…,b and block lengths b
From: Sample size calculation in multi-centre clinical trials
Expectation of Δ2|r. Conditional expected imbalance between treatment groups for allocation parameter k=1,2,3 and various numbers of subjects r=1…,b and block lengths b