Impact of treatment attributes other than safety and efficacy on utility.
utility.tx.attr
A list with two elements.
A matrix where each column is a treatment attribute and each row corresponds to a treatment.
A matrix with three columns, var, lower and upper.
var is the name of the variable; lower and upper are
the lower and upper bounds of the utility gain associated with each treatment
attribute in the x matrix respectively.
None. Currently determined by the user.
In sample_pars, the value of the coefficient is randomly sampled from a
uniform distribution with lower bound equal to lower and upper bound equal to
upper. The impact of treatment attributes for a given treatment on utility in
sim_iviRA is given by multiplying the sampled coefficient vectors from
sample_pars by the row of the matrix x corresponding to the treatment being
simulated by the model.