Aleksandr Nikolaev

Exception when calling `updateGroups { it }.first().values()` on `GroupBy`

3

Assume we have the following dataframe: ```kt val df = dataFrameOf( "name" to columnOf("Alice", "Bob", "Charlie"), "age" to columnOf(15, 20, 25), ) ``` Calling ```kt df.groupBy { age }.updateGroups {...

KDocs fixes for `distinct` and `distinctBy`

3

Fixes #1434 The documentation for the `distinct` function with parameters described the functionality of `distinctBy`: it suggested that `distinct` removes duplicated rows omitting the fact that it also selects the...