Function

This API is used tp query the hyperparameter search algorithm list.

URI

GET /v2/{project_id}/search-algorithms

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details, see Obtaining a Project ID.

Request Parameters

None

Response Parameters

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
search_algo_count	Integer	Number of hyperparameter search algorithms.
search_algo_list	Array of search_algo_list objects	List of all hyperparameter search algorithms.

**Table 3** search_algo_list
Parameter	Type	Description
name	String	Hyperparameter search algorithm name.
params	Array of params objects	List of hyperparameter search algorithm parameters.

**Table 4** params
Parameter	Type	Description
key	String	Hyperparameter search algorithm parameter name.
value	String	Hyperparameter search algorithm parameter value.
type	String	Hyperparameter search algorithm parameter type.

Example Requests

The following shows how to query information about the search algorithms supported by coding-free hyperparameter search.

GET https://endpoint/v2/{project_id}/search-algorithms

Example Responses

Status code: 200

{
  "search_algo_count" : 3,
  "search_algo_list" : [ {
    "name" : "bayes_opt_search",
    "params" : [ {
      "key" : "kind",
      "value" : "ucb",
      "type" : "String"
    }, {
      "key" : "kappa",
      "value" : "2.5",
      "type" : "Float"
    }, {
      "key" : "xi",
      "value" : "0.0",
      "type" : "Float"
    }, {
      "key" : "num_samples",
      "value" : "20",
      "type" : "Integer"
    }, {
      "key" : "seed",
      "value" : "1",
      "type" : "Integer"
    } ],
    "description" : "Hyperparameter search using Gaussian process."
  }, {
    "name" : "tpe_search",
    "params" : [ {
      "key" : "gamma",
      "value" : "0.25",
      "type" : "Float"
    }, {
      "key" : "n_initial_points",
      "value" : "20",
      "type" : "Integer"
    }, {
      "key" : "num_samples",
      "value" : "20",
      "type" : "Integer"
    }, {
      "key" : "seed",
      "value" : "1",
      "type" : "Integer"
    } ],
    "description" : "Hyperparameter search using the tree-structured Parzen estimator algorithm."
  }, {
    "name" : "anneal_search",
    "params" : [ {
      "key" : "avg_best_idx",
      "value" : "2.0",
      "type" : "Float"
    }, {
      "key" : "shrink_coef",
      "value" : "0.1",
      "type" : "Float"
    }, {
      "key" : "num_samples",
      "value" : "20",
      "type" : "Integer"
    }, {
      "key" : "seed",
      "value" : "1",
      "type" : "Integer"
    } ],
    "description" : "Hyperparameter search using simulated annealing algorithm."
  } ]
}

Status Codes

Status Code	Description
200	ok

Error Codes

See Error Codes.

Querying the Hyperparameter Search Algorithm List