hello everyone~ i have a question that
Can growthbook set a sub-ab-test under an existing ab-test? like i have an ab-test already with four traffic branches participated by userid, every branch has 25% traffic . what i want is to set a sub-ab-test under branch A, and 5% of 25% is for A-a1 sub branch, and 20% of 25% for A-a2 sub branch.
is there any manu could give me some leadings?❤️.