krangl is a {K}otlin library for data w{rangl}ing. By implementing a grammar of data manipulation using a modern functional-style API, it allows to filter, transform, aggregate and reshape tabular data.
For details see https://github.com/holgerbrandl/krangl
- Filter, transform, aggregate and reshape tabular data
- Modern, user-friendly and easy-to-learn data-science API
- Reads from plain and compressed tsv, csv, or any delimited format with or without header from local or remote
- Supports grouped operations
- Ships with JDBC support
- Tables can contain atomic columns (int, double, boolean) as well as object columns
- Reshape tables from wide to long and back
- Table joins (left, right, semi, inner, outer)
- Cross tabulation
- Descriptive statistics (mean, min, max, median, ...)
- Functional API inspired by dplyr, pandas, and Kotlin stdlib
Contains all parts of the krangl API