KMeans2¶

Supported HTTP methods and descriptions¶

GET k-means

URL¶

http://<h2oHost>:<h2oApiPort>/KMeans2.json

Input parameters¶

• destination_key, a Key, <i>expert</i>

  Destination key. Since version 1

• source, a Frame, <i>expert</i>

  Source frame. Since version 1

Possible JSON error field returns:

• Argument ‘source’ error: Argument ‘source’ is required, but not specified

• cols, a int[], <i>expert</i>

  Input columns (Indexes start at 0). Since version 1

• ignored_cols, a int[], <i>expert</i>

  Ignored columns by name and zero-based index. Since version 1

• ignored_cols_by_name, a int[], <i>expert</i>

  Ignored columns by name. Since version 1

• initialization, a Initialization, <i>expert</i>

  Cluster initialization: None - chooses initial centers at random; Plus Plus - choose first center at random, subsequent centers chosen from probability distribution weighted so that points further from first center are more likey to be selected; Furthest - chooses initial point at random, subsequent point taken as the point furthest from prior point.. Since version 1

• k, a int, <i>expert</i>

  Number of clusters. Since version 1

Possible JSON error field returns:

• Argument ‘k’ error: Argument ‘k’ is required, but not specified

• max_iter, a int, <i>expert</i>

  Maximum number of iterations before stopping. Since version 1

Possible JSON error field returns:

• Argument ‘max_iter’ error: Argument ‘max_iter’ is required, but not specified

• normalize, a boolean, <i>expert</i>

  Whether data should be normalized. Since version 1

• seed, a long, <i>expert</i>

  Seed for the random number generator. Since version 1

• drop_na_cols, a boolean, <i>expert</i>

  Drop columns with more than 20% missing values. Since version 1

Output JSON elements¶

• response_info, a ResponseInfo

  Response stats and info.. Since version 1, expert

• h2o, a String

  H2O cloud name.. Since version 1, expert

• node, a String

  Node serving the response.. Since version 1, expert

• time, a long

  Request processing time.. Since version 1, expert

• status, a Status

  Response status. Since version 1, expert

• redirect_url, a String

  Redirect name.. Since version 1, expert

• job_key, a Key

  Job key. Since version 1, expert

• description, a String

  Job description. Since version 1, expert

• start_time, a long

  Job start time. Since version 1, expert

• end_time, a long

  Job end time. Since version 1, expert

• exception, a String

  Exception. Since version 1, expert

• state, a JobState

  Job state. Since version 1, expert

HTTP response codes¶

200 OK Success and error responses are identical.