This API provides preview of the extracted features for a data frame analytics config that either exists already or one that has not been created yet.

Path parameters

edit

<data_frame_analytics_id>: (Optional, string) Identifier for the data frame analytics job.

Request body

edit

config: (Optional, object) A data frame analytics config as described in Create data frame analytics jobs. Note that id and dest don’t need to be provided in the context of this API.

Response body

edit

The API returns a response that contains the following:

feature_values: (array) An array of objects that contain feature name and value pairs. The features have been processed and indicate what will be sent to the model for training.

Examples

edit

POST _ml/data_frame/analytics/_preview
{
  "config": {
    "source": {
      "index": "houses_sold_last_10_yrs"
    },
    "analysis": {
      "regression": {
        "dependent_variable": "price"
      }
    }
  }
}

The API returns the following results:

{
  "feature_values": [
    {
      "number_of_bedrooms": "1",
      "postcode": "29655",
      "price": "140.4"
    },
    ...
  ]
}

« Get data frame analytics jobs statistics API Start data frame analytics jobs API »