> ## Documentation Index > Fetch the complete documentation index at: https://docs.edgeimpulse.com/llms.txt > Use this file to discover all available pages before exploring further. # Get diversity metrics data > Obtain metrics that describe the similarity and diversity of a dataset. To calculate these metrics, use the `calculateDataQualityMetrics` endpoint. ## OpenAPI ````yaml /.assets/openapi.yaml get /api/{projectId}/raw-data/data-quality/diversity openapi: 3.0.0 info: title: Edge Impulse API version: 1.0.0 servers: - url: https://studio.edgeimpulse.com/v1 security: - ApiKeyAuthentication: [] - JWTAuthentication: [] - JWTHttpHeaderAuthentication: [] - OAuth2: [] paths: /api/{projectId}/raw-data/data-quality/diversity: get: tags: - Raw data summary: Get diversity metrics data description: >- Obtain metrics that describe the similarity and diversity of a dataset. To calculate these metrics, use the `calculateDataQualityMetrics` endpoint. operationId: getDiversityData parameters: - $ref: '#/components/parameters/ProjectIdParameter' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/GetDiversityDataResponse' components: parameters: ProjectIdParameter: name: projectId in: path required: true description: Project ID schema: type: integer schemas: GetDiversityDataResponse: allOf: - $ref: '#/components/schemas/GenericApiResponse' - type: object properties: data: type: array items: type: object required: - clusterInfos - maxDistance properties: labelId: type: number maxDistance: type: number clusterInfos: type: array items: type: object description: Information about a cluster of samples required: - idx - indexes - windows - vendiScore - vendiRatio - count - distance - leftIdx - rightIdx properties: idx: type: integer description: Unique index of the cluster indexes: type: array items: type: integer description: >- Indexes of all windows contained in the cluster (for debugging) windows: type: array items: type: array items: type: integer description: >- The sample ID and window start and end of every window in the cluster samples: type: array items: $ref: '#/components/schemas/Sample' description: Details of every sample in the cluster vendiScore: type: number description: Raw vendi score vendiRatio: type: number description: Vendi score expressed as ratio from 0 to 1 count: type: integer description: The number if windows in the cluster distance: type: number description: The distance of the cluster from the origin leftIdx: type: integer nullable: true description: The cluster id on the left branch of the dendrogram rightIdx: type: integer nullable: true description: The cluster id on the right branch of the dendrogram GenericApiResponse: type: object required: - success properties: success: type: boolean description: Whether the operation succeeded error: type: string description: Optional error description (set if 'success' was false) Sample: type: object required: - id - filename - signatureValidate - created - lastModified - category - coldstorageFilename - label - intervalMs - frequency - originalIntervalMs - originalFrequency - deviceType - sensors - valuesCount - added - boundingBoxes - boundingBoxesType - chartType - isDisabled - isProcessing - processingError - isCropped - projectId - sha256Hash - datastreams properties: id: type: integer example: 2 filename: type: string example: idle01.d8Ae signatureValidate: type: boolean description: Whether signature validation passed example: true signatureMethod: type: string example: HS256 signatureKey: type: string description: >- Either the shared key or the public key that was used to validate the sample created: type: string format: date-time description: >- Timestamp when the sample was created on device, or if no accurate time was known on device, the time that the file was processed by the ingestion service. lastModified: type: string format: date-time description: Timestamp when the sample was last modified. category: $ref: '#/components/schemas/RawDataCategory' example: training coldstorageFilename: type: string label: type: string example: healthy-machine intervalMs: type: number description: >- Interval between two windows (1000 / frequency). NOTE: Previously this value could change depending on whether the sample was resampled. This behavior has been removed. example: 16 frequency: type: number description: >- Frequency of the sample. NOTE: Previously this value could change depending on whether the sample was resampled. This behavior has been removed. example: 62.5 originalIntervalMs: type: number description: DEPRECATED. See "intervalMs". example: 16 originalFrequency: type: number description: DEPRECATED. See "frequency". example: 62.5 deviceName: type: string deviceType: type: string sensors: type: array items: $ref: '#/components/schemas/Sensor' valuesCount: type: integer description: >- Number of readings in this file. If you have multiple datastreams, this is the value count from the datastream with the highest frequency. totalLengthMs: type: number description: Total length (in ms.) of this file added: type: string format: date-time description: >- Timestamp when the sample was added to the current acquisition bucket. boundingBoxes: type: array items: $ref: '#/components/schemas/BoundingBox' boundingBoxesType: type: string enum: - object_detection - constrained_object_detection chartType: type: string enum: - chart - image - video - table thumbnailVideo: type: string thumbnailVideoFull: type: string isDisabled: type: boolean description: True if the current sample is excluded from use isProcessing: type: boolean description: True if the current sample is still processing (e.g. for video) processingJobId: type: integer description: Set when sample is processing and a job has picked up the request processingError: type: boolean description: Set when processing this sample failed processingErrorString: type: string description: Error (only set when processing this sample failed) isCropped: type: boolean description: >- Whether the sample is cropped from another sample (and has crop start / end info) metadata: type: object description: Sample free form associated metadata additionalProperties: type: string projectId: type: integer description: Unique identifier of the project this sample belongs to projectOwnerName: type: string description: Name of the owner of the project this sample belongs to projectName: type: string description: Name of the project this sample belongs to projectLabelingMethod: $ref: '#/components/schemas/ProjectLabelingMethod' description: What labeling flow the project this sample belongs to uses sha256Hash: type: string description: Data sample SHA 256 hash (including CBOR envelope if applicable) structuredLabels: type: array items: $ref: '#/components/schemas/StructuredLabel' structuredLabelsList: type: array items: type: string createdBySyntheticDataJobId: type: integer description: >- If this sample was created by a synthetic data job, it's referenced here. imageDimensions: type: object required: - width - height properties: width: type: integer height: type: integer videoUrl: type: string description: Video link, cropped and in original resolution. videoUrlFull: type: string description: Video link in original resolution. labelMap: $ref: '#/components/schemas/SampleLabelMapLabels' datastreams: type: array items: $ref: '#/components/schemas/SampleDatastream' RawDataCategory: type: string enum: - training - testing - validation - post-processing Sensor: type: object required: - index - name - units properties: index: type: integer description: >- Index of the sensor (globally, so you can refer back to it in e.g. getSampleAsAudio) name: type: string description: Name of the axis example: accX units: type: string description: >- Type of data on this axis. Needs to comply to SenML units (see https://www.iana.org/assignments/senml/senml.xhtml). BoundingBox: type: object description: >- This has the _absolute values_ for x/y/w/h (so 0..x (where x is the w/h of the image)) required: - label - x - 'y' - width - height properties: label: type: string x: type: integer 'y': type: integer width: type: integer height: type: integer ProjectLabelingMethod: type: string enum: - single_label - object_detection - label_map StructuredLabel: type: object description: >- A structured label contains a label, and the range for which this label is valid. `endIndex` is inclusive. E.g. `{ startIndex: 10, endIndex: 13, label: 'running' }` means that the values at index 10, 11, 12, 13 are labeled 'running'. To get time codes you can multiple by the sample's `intervalMs` property. required: - startIndex - endIndex - label properties: startIndex: type: integer description: Start index of the label (e.g. 0) endIndex: type: integer description: >- End index of the label (e.g. 3). This value is inclusive, so { startIndex: 0, endIndex: 3 } covers 0, 1, 2, 3. label: type: string description: The label for this section. labelMap: $ref: '#/components/schemas/SampleLabelMapLabels' SampleLabelMapLabels: description: > Structured sample labels in the form of a key-value map. This property is optional and only defined for samples with key-value labels. discriminator: propertyName: type mapping: key-values: $ref: '#/components/schemas/SampleKeyValueLabels' oneOf: - $ref: '#/components/schemas/SampleKeyValueLabels' SampleDatastream: type: object required: - index - chartType - intervalMs - frequencyHz - sensors - valuesCount - totalLengthMs properties: index: type: integer chartType: type: string enum: - chart - image - video - table intervalMs: description: Interval between two windows (1000 / frequency). type: number frequencyHz: description: Frequency of the datastream type: number sensors: type: array items: $ref: '#/components/schemas/Sensor' valuesCount: type: integer description: Number of readings in this datastream. imageDimensions: type: object required: - width - height properties: width: type: integer height: type: integer totalLengthMs: type: number description: Total length (in ms.) of the datastream SampleKeyValueLabels: type: object required: - type - labels properties: type: type: string enum: - key-values labels: type: object additionalProperties: type: string securitySchemes: ApiKeyAuthentication: type: apiKey in: header name: x-api-key JWTAuthentication: type: apiKey in: cookie name: jwt JWTHttpHeaderAuthentication: type: apiKey in: header name: x-jwt-token OAuth2: type: oauth2 flows: authorizationCode: authorizationUrl: /v1/oauth/authorize tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information implicit: authorizationUrl: /v1/oauth/authorize scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information password: tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information clientCredentials: tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information ````