Description Usage Arguments Value
Given an initial design and assuming logistic regression, compute the D-optimal objective function (to be used in conjunction with optim)
1 | Dopt.y.t.init(t, z, int, beta, epsilon = 1e-05)
|
t |
vector of treatments |
z |
vector of covariate values |
int |
set to TRUE if treatment-covariate interactions are included in the model |
beta |
current estimate of regression parameters |
epsilon |
a small real number used for regularization. If set to zero, no regularization takes place |
value of the D-optimal objective function
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