AccessApis
Access APIs
Accessing and specifying columns is one of the most important parts of the API, used in most DataFrame operations.
In the Kotlin DataFrame library, we provide two different ways to access columns — the String API and the Extension Properties API.
For more information: See Access APIs on the documentation website.
Types
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When working with a DataFrame, the most convenient and reliable way to access its columns — including for operations and retrieving column values in row expressions — is through auto-generated extension properties.
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In this AccessApis, columns are accessed by a String representing their name. Type-checking and name-checking are done at runtime, too.