<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 12.0.0 -",
    "tvOS: 15.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 8.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "TabularData",
  "identifier" : "/documentation/TabularData/GroupSummaries",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "TabularData"
    ],
    "preciseIdentifier" : "s:11TabularData14GroupSummariesP"
  },
  "title" : "GroupSummaries"
}
-->

# GroupSummaries

A collection of group summaries.

```
protocol GroupSummaries : CustomStringConvertible
```

## Topics

### Instance Properties

[`var description: String`](/documentation/TabularData/GroupSummaries/description)

A text representation of the group summaries.

### Instance Methods

[`func description(options: FormattingOptions) -> String`](/documentation/TabularData/GroupSummaries/description(options:))

Generates a text representation of the group summaries.

### Subscripts

[`subscript(Any?...) -> DataFrame?`](/documentation/TabularData/GroupSummaries/subscript(_:))

Retrieves one or more summaries by their group keys.

## Relationships

### Inherits From

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)