A CallbackBatch accesses and modifies data during the optimization via the ContextBatch
.
See the section on active bindings for a list of modifiable objects.
See callback_batch()
for a list of stages which that ContextBatch
.
Super class
mlr3misc::Context
-> ContextBatch
Public fields
instance
optimizer
(Optimizer).
Active bindings
xdt
(data.table::data.table)
The points of the latest batch. Contains the values in the search space i.e. transformations are not yet applied.result
(data.table::data.table)
The result of the optimization.
Methods
Inherited methods
Method new()
Creates a new instance of this R6 class.
Usage
ContextBatch$new(inst, optimizer)
Arguments
inst
optimizer
(Optimizer).