---
title: "Get diversity metrics data"
method: GET
path: "/api/{projectId}/raw-data/data-quality/diversity"
tags: ["Raw data"]
---

# Get diversity metrics data

`GET /api/{projectId}/raw-data/data-quality/diversity`

## Request

- Base URL: `https://studio.edgeimpulse.com/v1`
- URL: `https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/data-quality/diversity`
- Auth: one of:
  - API key in header `x-api-key`
  - API key in cookie `jwt`
  - API key in header `x-jwt-token`
  - OAuth 2
    - Authorization code: `/v1/oauth/authorize`
    - Client credentials
    - Implicit: `/v1/oauth/authorize`
    - Password
    - Token URL: `/v1/oauth/token`
- TypeScript: <https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/docs/api/:projectId/raw-data/data-quality/diversity/get.ts> (a function with typed inputs; its response is checked against the schema)

Obtain metrics that describe the similarity and diversity of a dataset. To calculate these metrics, use the `calculateDataQualityMetrics` endpoint.

## Path parameters

- `projectId` integer, required

## Response `200`

OK

- GetDiversityDataResponse
  - `success` boolean, required: Whether the operation succeeded
  - `error` string: Optional error description (set if 'success' was false)
  - `data` object[]
    - `labelId` number
    - `maxDistance` number, required
    - `clusterInfos` object[], required
      - `idx` integer, required: Unique index of the cluster
      - `indexes` integer[], required: Indexes of all windows contained in the cluster (for debugging)
      - `windows` array[], required: The sample ID and window start and end of every window in the cluster
        - integer[]
      - `samples` Sample[]: Details of every sample in the cluster
        - `id` integer, required
        - `filename` string, required
        - `signatureValidate` boolean, required: Whether signature validation passed
        - `signatureMethod` string
        - `signatureKey` string: Either the shared key or the public key that was used to validate the sample
        - `created` string, date-time, required: 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` string, date-time, required: Timestamp when the sample was last modified.
        - `category` 'training' | 'testing' | 'validation' | 'post-processing', required
        - `coldstorageFilename` string, required
        - `label` string, required
        - `intervalMs` number, required: Interval between two windows (1000 / frequency). NOTE: Previously this value could change depending on whether the sample was resampled. This behavior has been removed.
        - `frequency` number, required: Frequency of the sample. NOTE: Previously this value could change depending on whether the sample was resampled. This behavior has been removed.
        - `originalIntervalMs` number, required: DEPRECATED. See "intervalMs".
        - `originalFrequency` number, required: DEPRECATED. See "frequency".
        - `deviceName` string
        - `deviceType` string, required
        - `sensors` Sensor[], required
          - `index` integer, required: Index of the sensor (globally, so you can refer back to it in e.g. getSampleAsAudio)
          - `name` string, required: Name of the axis
          - `units` string, required: Type of data on this axis. Needs to comply to SenML units (see https://www.iana.org/assignments/senml/senml.xhtml).
        - `valuesCount` integer, required: Number of readings in this file. If you have multiple datastreams, this is the value count from the datastream with the highest frequency.
        - `totalLengthMs` number: Total length (in ms.) of this file
        - `added` string, date-time, required: Timestamp when the sample was added to the current acquisition bucket.
        - `boundingBoxes` BoundingBox[], required
          - `label` string, required
          - `x` integer, required
          - `y` integer, required
          - `width` integer, required
          - `height` integer, required
        - `boundingBoxesType` 'object_detection' | 'constrained_object_detection', required
        - `chartType` 'chart' | 'image' | 'video' | 'table', required
        - `thumbnailVideo` string
        - `thumbnailVideoFull` string
        - `isDisabled` boolean, required: True if the current sample is excluded from use
        - `isProcessing` boolean, required: True if the current sample is still processing (e.g. for video)
        - `processingJobId` integer: Set when sample is processing and a job has picked up the request
        - `processingError` boolean, required: Set when processing this sample failed
        - `processingErrorString` string: Error (only set when processing this sample failed)
        - `isCropped` boolean, required: Whether the sample is cropped from another sample (and has crop start / end info)
        - `metadata` object: Sample free form associated metadata
        - `projectId` integer, required: Unique identifier of the project this sample belongs to
        - `projectOwnerName` string: Name of the owner of the project this sample belongs to
        - `projectName` string: Name of the project this sample belongs to
        - `projectLabelingMethod` 'single_label' | 'object_detection' | 'label_map'
        - `sha256Hash` string, required: Data sample SHA 256 hash (including CBOR envelope if applicable)
        - `structuredLabels` StructuredLabel[]
          - `startIndex` integer, required: Start index of the label (e.g. 0)
          - `endIndex` integer, required: End index of the label (e.g. 3). This value is inclusive, so { startIndex: 0, endIndex: 3 } covers 0, 1, 2, 3.
          - `label` string, required: The label for this section.
          - `labelMap` SampleLabelMapLabels
            - `type` 'key-values', required
            - `labels` object, required
        - `structuredLabelsList` string[]
        - `createdBySyntheticDataJobId` integer: If this sample was created by a synthetic data job, it's referenced here.
        - `imageDimensions` object
          - `width` integer, required
          - `height` integer, required
        - `videoUrl` string: Video link, cropped and in original resolution.
        - `videoUrlFull` string: Video link in original resolution.
        - `labelMap` SampleLabelMapLabels
          - `type` 'key-values', required
          - `labels` object, required
        - `lastUpdatedBy` union: Information about the entity that last updated a sample. This can be a user, a project API key, an OAuth client, or a dataset version restore operation.
          - LastUpdatedByUser: The user who last updated a sample.
            - `type` 'user', required
            - `id` integer, required: The ID of the user that last updated the sample.
          - LastUpdatedByProjectApiKey: The project API key that last updated a sample.
            - `type` 'projectApiKey', required
            - `id` integer, required: The ID of the project API key that last updated the sample.
          - LastUpdatedByOAuthClient: The OAuth client that last updated a sample, and the user it is acting on behalf of.
            - `type` 'oauthClient', required
            - `oauthClientId` string, required: The ID of the OAuth client that last updated the sample.
            - `userId` integer: The user ID the OAuth client is acting on behalf of.
          - LastUpdatedByDatasetVersionRestore: The dataset restore that last updated a sample.
            - `type` 'datasetVersionRestore', required
            - `datasetVersionId` integer, required: The ID of the dataset version that last updated the sample.
            - `groupKey` string, required: A random grouping ID to keep restore snapshots isolated.
            - `actor` union: The actor that started the dataset restore operation.
              - …
        - `datastreams` SampleDatastream[], required
          - `index` integer, required
          - `chartType` 'chart' | 'image' | 'video' | 'table', required
          - `intervalMs` number, required: Interval between two windows (1000 / frequency).
          - `frequencyHz` number, required: Frequency of the datastream
          - `sensors` Sensor[], required
            - `index` integer, required: Index of the sensor (globally, so you can refer back to it in e.g. getSampleAsAudio)
            - `name` string, required: Name of the axis
            - `units` string, required: Type of data on this axis. Needs to comply to SenML units (see https://www.iana.org/assignments/senml/senml.xhtml).
          - `valuesCount` integer, required: Number of readings in this datastream.
          - `imageDimensions` object
            - `width` integer, required
            - `height` integer, required
          - `totalLengthMs` number, required: Total length (in ms.) of the datastream
      - `vendiScore` number, required: Raw vendi score
      - `vendiRatio` number, required: Vendi score expressed as ratio from 0 to 1
      - `count` integer, required: The number if windows in the cluster
      - `distance` number, required: The distance of the cluster from the origin
      - `leftIdx` integer, nullable, required: The cluster id on the left branch of the dendrogram
      - `rightIdx` integer, nullable, required: The cluster id on the right branch of the dendrogram

---

[API](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api.md) - [All operations](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/llms.txt) - [OpenAPI document](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/revisions/e2a976d38427?raw)
