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|MIT License||GNU General Public License v3.0 or later|
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Tracking mentions began in Dec 2020.
Trinary Decision Trees for missing value handling
2 projects | news.ycombinator.com | 12 Sep 2023
I implemented something like this in a [pre xgboost boosting framework](https://github.com/ryanbressler/CloudForest) ~10 years ago and it worked well.
It isn't even that much of a speed hit using the classical sorting CART implementation. However xgboost and ligthgbm use histogram based approximate sorting which might be harder to adapt in a performant way. And certainly the code will be a lot messier.2 projects | news.ycombinator.com | 12 Sep 2023
I've got a ~10 year old implementation that does something similar calling it "three way splitting" here: https://github.com/ryanbressler/CloudForest
And i got the idea from a lab mate, Timo Erkkila's RF-ACE project though neither of us thought it was a particularly novel idea.
[D] Best methods for imbalanced multi-class classification with high dimensional, sparse predictors
2 projects | /r/MachineLearning | 19 Jul 2021
The best method i've seen for dealing with this bias is to create "artificial contrasts" by including possibly many permutated copies of each feature and then doing a statistical test of the random forest importance values for each feature vs its shuffled contrasts. This method is described here: https://www.jmlr.org/papers/volume10/tuv09a/tuv09a.pdf and there is an implementation here: https://github.com/ryanbressler/CloudForest
What are some alternatives?
Gorgonia - Gorgonia is a library that helps facilitate machine learning in Go.
libsvm - libsvm go version
gago - :four_leaf_clover: Evolutionary optimization library for Go (genetic algorithm, partical swarm optimization, differential evolution)
go-deep - Artificial Neural Network
gobrain - Neural Networks written in go
tfgo - Tensorflow + Go, the gopher way
go-galib - Genetic Algorithms library written in Go / golang
GoLearn - Machine Learning for Go
goga - Golang Genetic Algorithm