dataframe
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Kotlin
Structured data processing in Kotlin
While we enjoy vararg constructors/builders, these rarely apply to data-frames because of the number of records. Currently, the following snippet works but fails to match intuition: ```kotlin val data =...
Now we have a default (HTML/JS) rendering of DataFrame tables in Kotlin notebook plugin. It is slow. Guys in DataSpell solved it in the following way: they parse the output...
As the title says. Something like ```kotlin @DataSchema(isOpen = false) interface `Pet test` { val id: Long val name: String val tag: String? } ``` doesn't work since the backticks...
Currently df.rowsCount() and df.count() do the same ie are redudnant for ungrouped data-frames. However, for sake of consistency, count() should always return a data-frame irrespective if data is grouped or...
Hello, I've made a couple changes in order to be able to add sheets to an already existing file (without completely replacing it). ## Overview By using a *keepFile* parameter...
When running ```kotlin irisData.groupBy("Species").sortBy("Sepal.Length") ``` it fails with ``` java.lang.IllegalStateException: Can not use ColumnGroup as sort column ``` However, sorting by group is a common usecase. In particular in combination...
Adjusted Passenger schema to reflect nullability of age attribute. With the fix, we can also use filter: ` .filter{ it[Passenger::age]!=null}`
It seems to be by design to split documentation and implementation. However, when working with the library a java-doc would be very helpful. Maybe by providing pointers into HTML documentation,...
Attempting to fix https://github.com/Kotlin/dataframe/issues/585 and some of https://github.com/Kotlin/dataframe/issues/605 Cannot fully fix until https://github.com/JetBrains/markdown/pull/150 is merged and inside IntelliJ This fixes: - Making sure all spaces in code examples are inside...