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DescribeEvaluations - MachineLearning
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DescribeEvaluations

Returns a list of DescribeEvaluations that match the search criteria in the request.

Request Syntax

{ "EQ": "string", "FilterVariable": "string", "GE": "string", "GT": "string", "LE": "string", "Limit": number, "LT": "string", "NE": "string", "NextToken": "string", "Prefix": "string", "SortOrder": "string" }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

EQ

The equal to operator. The Evaluation results will have FilterVariable values that exactly match the value specified with EQ.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

FilterVariable

Use one of the following variable to filter a list of Evaluation objects:

  • CreatedAt - Sets the search criteria to the Evaluation creation date.

  • Status - Sets the search criteria to the Evaluation status.

  • Name - Sets the search criteria to the contents of Evaluation Name.

  • IAMUser - Sets the search criteria to the user account that invoked an Evaluation.

  • MLModelId - Sets the search criteria to the MLModel that was evaluated.

  • DataSourceId - Sets the search criteria to the DataSource used in Evaluation.

  • DataUri - Sets the search criteria to the data file(s) used in Evaluation. The URL can identify either a file or an Amazon Simple Storage Solution (Amazon S3) bucket or directory.

Type: String

Valid Values: CreatedAt | LastUpdatedAt | Status | Name | IAMUser | MLModelId | DataSourceId | DataURI

Required: No

GE

The greater than or equal to operator. The Evaluation results will have FilterVariable values that are greater than or equal to the value specified with GE.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

GT

The greater than operator. The Evaluation results will have FilterVariable values that are greater than the value specified with GT.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

LE

The less than or equal to operator. The Evaluation results will have FilterVariable values that are less than or equal to the value specified with LE.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

Limit

The maximum number of Evaluation to include in the result.

Type: Integer

Valid Range: Minimum value of 1. Maximum value of 100.

Required: No

LT

The less than operator. The Evaluation results will have FilterVariable values that are less than the value specified with LT.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

NE

The not equal to operator. The Evaluation results will have FilterVariable values not equal to the value specified with NE.

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

NextToken

The ID of the page in the paginated results.

Type: String

Required: No

Prefix

A string that is found at the beginning of a variable, such as Name or Id.

For example, an Evaluation could have the Name 2014-09-09-HolidayGiftMailer. To search for this Evaluation, select Name for the FilterVariable and any of the following strings for the Prefix:

  • 2014-09

  • 2014-09-09

  • 2014-09-09-Holiday

Type: String

Length Constraints: Maximum length of 1024.

Pattern: .*\S.*|^$

Required: No

SortOrder

A two-value parameter that determines the sequence of the resulting list of Evaluation.

  • asc - Arranges the list in ascending order (A-Z, 0-9).

  • dsc - Arranges the list in descending order (Z-A, 9-0).

Results are sorted by FilterVariable.

Type: String

Valid Values: asc | dsc

Required: No

Response Syntax

{ "NextToken": "string", "Results": [ { "ComputeTime": number, "CreatedAt": number, "CreatedByIamUser": "string", "EvaluationDataSourceId": "string", "EvaluationId": "string", "FinishedAt": number, "InputDataLocationS3": "string", "LastUpdatedAt": number, "Message": "string", "MLModelId": "string", "Name": "string", "PerformanceMetrics": { "Properties": { "string" : "string" } }, "StartedAt": number, "Status": "string" } ] }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

NextToken

The ID of the next page in the paginated results that indicates at least one more page follows.

Type: String

Results

A list of Evaluation that meet the search criteria.

Type: Array of Evaluation objects

Errors

For information about the errors that are common to all actions, see Common Errors.

InternalServerException

An error on the server occurred when trying to process a request.

HTTP Status Code: 500

InvalidInputException

An error on the client occurred. Typically, the cause is an invalid input value.

HTTP Status Code: 400

Examples

The following is a sample request and response of the DescribeEvaluations operation.

This example illustrates one usage of DescribeEvaluations.

Sample Request

POST / HTTP/1.1 Host: machinelearning.<region>.<domain> x-amz-Date: <Date> Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=contenttype;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid,Signature=<Signature> User-Agent: <UserAgentString> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Connection: Keep-Alive X-Amz-Target: AmazonML_20141212.DescribeEvaluations { "FilterVariable": "Name", "Prefix": "ev-", "SortOrder": "asc", "Limit": 1 }

Sample Response

HTTP/1.1 200 OK x-amzn-RequestId: <RequestId> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Date: <Date> { "NextToken": "{\"EvaluationId\":\"ev-exampleId2\"}", "Results": [ { "CreatedAt": 1420745248.785, "CreatedByIamUser": "arn:aws:iam::<awsAccountId>:user/username", "EvaluationDataSourceId": "ds-exampleDataSourceId", "EvaluationId": "ev-exampleId1", "InputDataLocationS3": "s3://bucket/locationToInput/example-data.testing.csv", "LastUpdatedAt": 1420745524.506, "MLModelId": "pr-exampleModelId", "Name": "ev-1", "PerformanceMetrics": { "Properties": {"BinaryAUC": "0.9228827246570067"} }, "Status": "COMPLETED", "ComputeTime":"185200", "FinishedAt":"1420745524.506", "StartedAt":"1420745249.324" } ] }

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

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