Kotlin / dataframe

Structured data processing in Kotlin

https://kotlin.github.io/dataframe/overview.html

Kotlin/dataframe Issues

Kotlin DataFrame compiler plugin
Updated 13 hours ago
Unresolved reference when using Properties to access
Updated 3 days ago9
Consider adding a parameter to nest aggregated columns: aggregate(under: String?)
Updated 4 days ago
JDBC H2, `CHAR(10)` column read as `Char?` instead of `String?`
Updated 6 days ago
Java 11?
Updated 7 days ago2
Generate sitemap.xml automatically
Closed 7 days ago
Serialize BufferedImages as base64
Closed 8 days ago
Jupyter `importDataSchema()` does not generate column accessors
Updated 9 days ago1
Add support of reading from the MS SQL data source
Closed 11 days ago
Add ability to reference environment variable in ImportDataSchema
Closed 11 days ago1
Reading CSV with byte order mark bleeds into first Column Name
Updated 16 days ago4
Fix concat
Updated 17 days ago11
Unclear error message when using an invalid ColumnAccessor
Updated 17 days ago
Cannot `groupBy` multiple unnamed expression columns
Updated 17 days ago
`GroupBy.take()` and other missing functions
Updated 18 days ago3
Add `inferNullability` test for each supported database
Updated 18 days ago1
Add Apache Pinot® as supported database
Updated 22 days ago5
Add to JDBC module ability to set up a testing H2 database with the specific dialect
Updated 22 days ago
Extract names from SQL tables where it's possible
Updated 22 days ago
Change the place and resulting object for the methods of `readSql<-->Schema`
Updated 22 days ago
Export DataFrame to SQL table
Updated 22 days ago1
Incorrect permission setting for the pre-commit file
Closed 2 months ago11
OpenApi 3.1 and JSON Schema support
Updated 24 days ago
Missing tests for `unfold`
Updated a month ago1
`columnOf(arrayOf(1))` type inferred as `Array<*>`
Updated a month ago
Type inference of `Array<primitive>` may be unpredictable
Updated a month ago
Missing overloads for `Iterable<ArrayLike>.toDataFrame()`
Updated a month ago2
Pivot rendering in the Koltin notebook plugin is slow
Updated a month ago
Enable use of other ArrowReader implementations
Closed a month ago2
Support an option to get formatCellValue in readExcel
Updated a month ago
Update extension properties API docs
Updated a month ago2
Circular dependency on kspKotlin when used under Quarkus 3.9.3
Updated a month ago3
K2
Updated a month ago4
Merge `KeyValueProperty` and `NameValuePair`
Updated a month ago
Make the DataFrame names consistent
Closed a month ago1
`flatten(keepParentNameForColumns = true)` has wrong order
Closed a month ago1
Add separator selection for the `flatten(keepParentNameForColumns = true)` function
Closed a month ago
rename{}.into{} broken after upgrade to 13.1
Closed a month ago2
Comparing two data frame
Updated a month ago2
Jupyter integration conflicts with variable type converters from other integrations.
Closed a month ago1
Support additional Number types (like Percentage)
Updated 2 months ago
`prev()?.newValue()` unavailable for add-multiple DSL
Updated 2 months ago
Make headers in KDoc smaller
Updated 2 months ago
Support Kotlin Multiplatform Plugin for JVM only
Closed 2 months ago3
Add binary compatibility validator to dataframe-core
Updated 2 months ago
Incorrect documentation and example for reading SQL database with dataframe in Notebook
Closed 2 months ago
`Iterable<Double?>.toDataFrame()` and `Iterable<Float?>.toDataFrame()` results in empty dataframe
Closed 2 months ago
[Feature Request] Read from database and automatically cast to camel case
Closed 2 months ago2
Preprocessor Gradle plugin behavior
Updated 2 months ago1
Failing to properly read an excel file
Closed 3 months ago