Underdog is a set of Groovy libraries for data analysis:
underdog-dataframe: module to work with columnar data.underdog-graphs: module to explore graph theory problems.underdog-plots: module to create charts.underdog-ml: module to explore machine learning problems.underdog-ta: module to explore financial technical analysis.
You can find Underdog's documentation at https://grooviter.github.io/underdog
Underdog uses Apache License 2.0