bbotk 1.1.0
- docs: Move vignette to mlr3book.
- feat: Add hypervolume stagnation terminator
trm("stagnation_hypervolume")
.
- feat Add local search optimizer
opt("local_search")
.
- refactor: Remove unused fields from callbacks.
- fix: Add
"on_optimization_end_batch"
stage to
CallbackBatch
.
bbotk 1.0.1
- refactor: extra columns in results.
bbotk 1.0.0
- feat: Introduce asynchronous optimization with the
OptimizerAsync
and OptimInstanceAsync
classes.
- BREAKING CHANGE: The
Optimizer
class is
OptimizerBatch
now.
- BREAKING CHANGE: The
OptimInstance
class and subclasses
are OptimInstanceBatch*
now.
- BREAKING CHANGE: The
CallbackOptimization
class is
CallbackBatch
now.
- BREAKING CHANGE: The
ContextOptimization
class is
ContextBatch
now.
- BREAKING CHANGE: Remove
ArchiveBest
class and
keep_evals
parameter from OptimInstance
.
bbotk 0.8.0
- fix:
OptimizerIrace
failed with logical parameters and
dependencies.
- refactor: Optimize the runtime of
archive$best()
method
and add ties method.
- compatibility: Work with new paradox version 1.0.0
bbotk 0.7.3
- fix:
OptimInstance$print()
errored when the search
space was empty.
bbotk 0.7.2
- fix: Standalone
Tuner
and FSelector
were
rejected by ContextBatch
.
bbotk 0.7.1
- feat: Data unrelated to a specific point evaluation can be written
to
Archive$data_extra
.
bbotk 0.7.0
- fix:
Terminator$format(with_params = TRUE)
printed an
empty list when no parameter was set.
- refactor:
OptimizerIrace
automatically added the
instances
parameter to Objective$constants
.
From now on, the instances
parameter can be also set
manually.
- BREAKING CHANGE:
branin(xs)
is now
branin(x1, x2, noise)
and
branin_wu(x1, x2, fidelity)
.
- feat: Add
ObjectiveRFunMany
that can evaluate a list of
configurations with a user supplied function.
- fix: If all configurations were missing a parameter,
ObjectiveRFunDt$eval_many()
did not create a column with
NA
for the missing parameter.
- refactor: The default of
digits
in
OptimizerIrace
is 15 now to avoid rounding errors.
- refactor: The bounds of double parameters were processed with only 4
decimal places in
OptimizerIrace
. By default, the bounds of
double parameters are represented with 15 decimal places now. The
digits
parameter of OptimizerIrace
also
changes number of decimal places of the bounds now.
bbotk 0.6.0
- fix:
OptimizerIrace
did not work with parameters with
multiple dependencies.
- feat: Add new callback that backups the archive to disk to
mlr_callbacks
.
- feat: Create custom callbacks with the
callback_batch()
function.
bbotk 0.5.4
- feat: Add
OptimizerFocusSearch
that performs a focusing
random search.
bbotk 0.5.3
- feat:
Optimizer
and Terminator
objects
have the field $id
now.
bbotk 0.5.2
- refactor: The
$print()
method of
OptimInstance
omits unnecessary columns now.
- fix: The
$clear()
method of OptimInstance
raised an error.
- fix: The
$clear()
method of Archive
missed
to reset the $start_time
field.
- feat:
Optimizer
and Terminator
objects
have the optional field $label
now.
- feat:
as.data.table()
functions for objects of class
Dictionary
have been extended with additional columns.
- feat: Add a
as.data.table.DictionaryTerminator()
function.
bbotk 0.5.1
- fix: The return of the
$.status()
method of
TerminatorRunTime
and TerminatorClockTime
was
not in a consistent unit. The return is in seconds from now on.
- fix: The number of evaluations was recorded as 0 in the log messages
when the search space was empty.
- feat: Add a
as.data.table.DictionaryOptimizer()
function.
- feat: New
$help()
method which opens the manual page of
an Optimizer
.
bbotk 0.5.0
- feat: Add
$nds_selection()
method to
Archive
.
- feat: New
Codomain
class that allows extra
parameters.
- refactor: Objective values were automatically named. From now on,
only unnamed returns of
ObjectiveRFun
are named.
- fix:
OptimInstance
, Archive
and
Objective
objects were not cloned properly.
- refactor: The fields
$param_classes
,
$properties
and $packages
of
Optimizer
objects are read-only now.
- feat: The
branin()
function is exported now.
bbotk 0.4.0
- feat: The search space and domain can now be empty.
- feat: The budget of
TerminatorEvals
can now be changed
depending on the dimension of the search space with the parameter
k
.
- feat: Add
bb_optimize()
function.
- feat: Add
OptimizerIrace
which calls
irace::irace
from the irace
package.
bbotk 0.3.2
- refactor: Internal changes.
bbotk 0.3.1
- feat: Add
$clear()
method to OptimInstance
to reset the instance.
- refactor: Prettier
$print()
methods.
- feat: Assertions on overlapping and reserved names in domain and
codomain.
bbotk 0.3.0
- feat: The check of points and results can now be disables with the
check_values
flag in OptimInstance
,
OptimInstanceSingleCrit
,
OptimInstanceMultiCrit
, ObjectiveRFun
and
ObjectiveRFunDt
.
- refactor: The
data.table
within the
Archive
can now be accessed with $data
.
- refactor: The
m
parameter of
Archive$best()
is renamed to batch
.
- feat: New
ArchiveBest
class which only stores best
scoring evaluation instead of all evaluations
- refactor: The runtime is reduced when
ObjectiveRFunDt
is used with a domain without trafo.
- fix: Add support for
ParamUty
in
OptimizerDesignPoints
.
- feat: The start points for
OptimizerCmaes
and
OptimizerNloptr
can now be randomly created or from center
of the search space.
- feat: The
$optimize()
method supports progress bars via
the package progressr
.
bbotk 0.2.2
- refactor: Remove dependency on orphaned package
bibtex
.
- feat: Add
OptimizerCmaes
which calls
adagio::pureCMAES
from the adagio
package.
bbotk 0.2.1
- refactor: Compact in-memory representation of R6 objects to save
space when saving mlr3 objects via saveRDS(), serialize() etc.
- refactor: Warning and error messages when upstream package of
Optimizer
is not installed.
bbotk 0.2
- First version of the Black-Box Optimization Toolkit