DefaultGamma is a default gamma function.

DefaultWeights is a default weights function.

HyperoptDefaultGamma is a default gamma function of Hyperopt.

NewParzenEstimator returns the parzen estimator object.

NewSampler returns the TPE sampler.

SamplerOptionConsiderEndpoints take endpoints of domains into account when calculating variances of Gaussians in Parzen estimator.

SamplerOptionPriorWeight enable a heuristic to limit the smallest variances of Gaussians used in the Parzen estimator.

SamplerOptionConsiderPrior enhance the stability of Parzen estimator by imposing a Gaussian prior when True.

SamplerOptionGammaFunc sets the function that takes the number of finished trials and returns the number of trials to form a density function for samples with low grains.

SamplerOptionNumberOfEICandidates sets the number of EI candidates (default 24).

SamplerOptionNumberOfStartupTrials sets the number of start up trials (default 10).

SamplerOptionParzenEstimatorParams sets the parameter of ParzenEstimator.

SamplerOptionPriorWeight sets the weight of the prior.

SamplerOptionSeed sets seed number.

SamplerOptionWeights sets the function that takes the number of finished trials and returns a weight for them.

ParzenEstimator is a surrogate model for TPE>.

ParzenEstimatorParams holds the parameters of ParzenEstimator.

Sampler returns the next search points by using TPE.

FuncGamma is a type of gamma function.

FuncWeights is a type of weights function.

SamplerOption is a type of the function to customizing TPE sampler.