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Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Breeze
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Arbitrary functions of n dimensions in Scala
Also, you can look at breeze.generic.UFunc for an inspiration.
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Data science in Scala
You can use https://github.com/scalanlp/breeze. A Scala library that's sorta a numpy/plotting equivalent. Unlike Spark which covers more use cases than just the classic Data Science workflow, Breeze is built specifically for "Data Science in Scala". The drawback is a classic one in Scala land where some major libraries abruptly get abandoned. Breeze's commits seem to have slowed down significantly and their website on their github page www.scalanlp.org is broken.
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Machine learning on JVM
I haven't checked in on this project in a long time, but Breeze is something akin to NumPy/SciPy.
Saddle
We haven't tracked posts mentioning Saddle yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
ND4S - ND4S: N-Dimensional Arrays for Scala. Scientific Computing a la Numpy. Based on ND4J.
Spire - Powerful new number types and numeric abstractions for Scala.
Algebird - Abstract Algebra for Scala
Apache Spark - Apache Spark - A unified analytics engine for large-scale data processing
Spark Notebook - Interactive and Reactive Data Science using Scala and Spark.
Smile - Statistical Machine Intelligence & Learning Engine
Numsca - numsca is numpy for scala
FACTORIE - FACTORIE is a toolkit for deployable probabilistic modeling, implemented as a software library in Scala. It provides its users with a succinct language for creating relational factor graphs, estimating parameters and performing inference.
Zeppelin - Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.
Figaro - Figaro Programming Language and Core Libraries