Before revision:  We explore two popular group testing methods , namely linear array (a.k.a. Dorfman's procedure) and square array methods , and analyze the optimal group size of a pooled sample that minimizes the group false negative number under a constraint of testing capacity.
After revision:  We explore two popular group testing methods : the linear and square array methods , and analyze the optimal group size of a pooled sample that minimizes the group false negative number under a constraint of testing capacity.