Description Usage Arguments Value Author(s) See Also
Optimise the expected utility for a sequential decision problem. The optimisation proceeds by backward induction, computing the optimal decision and corresponding expected utility at each stage over a grid for the current state summarising the posterior distribution of the unknown parameter.
1 | optimise.sequential.eu(dp, mins, maxs, steps, n.sims, state.start = NA)
|
dp |
A decision problem object constructed by calling |
mins |
A numeric, atomic vector specifying the lower boundary of the grid points for each dimension of the state vector. |
maxs |
A numeric, atomic vector specifying the upper boundary of the grid points for each dimension of the state vector. |
steps |
A numeric, atomic vector specifying the step size between grid points for each dimension of the state vector. |
n.sims |
A numeric, atomic vector of length equal to |
state.start |
An optional start value for the state. If provided,
this value effectively determines a fixed prior for the parameter of
the decision problem (before the first stage). The first stage
computations will then only be performed for this particular value. If
the default value |
If state.start
equals NA
, then the value returned is
a list with components
opt.decision |
Function taking a stage and a state into the optimal decision corresponding to the closest grid point at that stage. |
opt.utility |
Function taking a stage and a state into the optimal expected utility corresponding to the closest grid point at that stage. |
If an explicit value for state.start
is provided, the value
returned is a list with components
opt.stage1.decision |
Optimal stage 1 decision. |
opt.stage1.utility |
Optimal stage 1 utility. |
opt.decision |
Function taking a stage (greater than 1) and a state into the optimal decision corresponding to the closest grid point at that stage. |
opt.utility |
Function taking a stage (greater than 1) and a state into the optimal expected utility corresponding to the closest grid point at that stage. |
Sebastian Jobj<f6>rnsson jobjorns@chalmers.se
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