getbiasCS1 function

Biasing Policy for a Group of Favored Treatments

Calculate vector with the selection bias for each patient

getbiasCS1(R, K, pref)

Arguments

• R: randomization sequence, a integer vector with entries 1, ..., K, of length N
• K: number of treatment groups, a single integer value
• pref: preferred groups for the guessing

Returns

vector with the selection bias for each patient