TunerRandomSearch

mlr_tuners_random_search

Subclass for random search tuning.
The random points are sampled by <code><a rd-options="paradox:generate_design_random" href="/link/paradox%3A%3Agenerate_design_random()?package=mlr3tuning&version=0.1.0&to=paradox%3Agenerate_design_random" data-mini-rdoc="paradox:generate_design_random::paradox::generate_design_random()">paradox::generate_design_random()</a></code>.
In order to support general termination criteria and parallelization,
we evaluate points in a batch-fashion of size <code>batch_size</code>.
Larger batches mean we can parallelize more, smaller batches imply a more fine-grained checking
of termination criteria.

datasets

Implements methods for hyperparameter tuning with
'mlr3', e.g. Grid Search, Random Search, or Simulated Annealing.
Various termination criteria can be set and combined.  The class
'AutoTuner' provides a convenient way to perform nested resampling in
combination with 'mlr3'.

Michel Lang

mlr3tuning

Tuning for 'mlr3'

Jakob Richter

Bernd Bischl

Daniel Schalk

TunerRandomSearch function

<a rd-options="R6:R6Class" href="/link/R6%3A%3AR6Class?package=mlr3tuning&version=0.1.0&to=R6%3AR6Class" data-mini-rdoc="R6:R6Class::R6::R6Class">R6::R6Class</a> object inheriting from <a rd-options="" href="/link/Tuner?package=mlr3tuning&version=0.1.0" data-mini-rdoc="mlr3tuning::Tuner">Tuner</a>.

Format

<pre>TunerRandomSearch$new(batch_size = 1L)
tnr("random_search")
</pre>

Construction

<ul>
<li><code>batch_size</code> :: <code>integer(1)</code>
Maximum number of configurations to try in a batch.</li>
</ul>

Parameters

Subclass for random search tuning.
The random points are sampled by <code><a rd-options='paradox:generate_design_random' href='paradox::generate_design_random()'>paradox::generate_design_random()</a></code>.
In order to support general termination criteria and parallelization,
we evaluate points in a batch-fashion of size <code>batch_size</code>.
Larger batches mean we can parallelize more, smaller batches imply a more fine-grained checking
of termination criteria.