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XGBoost bindings for golang

License: MIT License

Makefile 0.67% Shell 1.92% Go 97.41%

xgboost ml machine-learning golang go

go-xgboost's Introduction

WORK IN PROGRESS... USE AT OWN RISK :-)

go-xgboost

Go bindings for XGBoost

import "github.com/Applifier/go-xgboost"

Usage

This library is meant for running predictions against a pre-trained XGBoost model. Limited training related functionality is implemented under core but training the model in python or using the xgboost cli is encouraged.

// Create predictor for a model and define the number of workers (and other settings)
predictor, _ := xgboost.NewPredictor(modelPath, runtime.NumCPU(), 0, 0, -1)

// Make prediction for one row
res, _ := predictor.Predict(xgboost.FloatSliceVector([]float32{1, 2, 3}))
fmt.Printf("Results: %+v\n", res)
// output: Results: [1.08002]

License

MIT

go-xgboost's People

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yuanzichao abeusher w1r2p1 antonovvk applejohnny gerogexiongle kamebo foxever sathvik777 evanli18 isgasho isabella232 artimet123 z4rd0s smjure nashuju

go-xgboost's Issues

Currently, build_docker.sh doesn't run if you're in the directory that it is located in

Small thing, but build_docker.sh builds the docker containers from ./scripts/DockerfileXXX. However, running them in that folder means that the scripts folder is the local folder. An easy fix would just be to change the scripts to build from ./Dockerfile-XXX

How to solve this problem?

$ go build

github.com/Applifier/go-xgboost/core

core/xgbooster.go:65: cannot use &outLen (type *C.ulong) as type *C.bst_ulong in argument to func literal
core/xgbooster.go:113: cannot use C.ulong(len(handles)) (type C.ulong) as type C.bst_ulong in argument to func literal
core/xgdmatrix.go:30: cannot use &count (type *C.ulong) as type *C.bst_ulong in argument to func literal
core/xgdmatrix.go:40: cannot use &count (type *C.ulong) as type *C.bst_ulong in argument to func literal
core/xgdmatrix.go:52: cannot use C.ulong(len(values)) (type C.ulong) as type C.bst_ulong in argument to func literal
core/xgdmatrix.go:60: cannot use C.ulong(len(group)) (type C.ulong) as type C.bst_ulong in argument to func literal
core/xgdmatrix.go:70: cannot use C.ulong(len(values)) (type C.ulong) as type C.bst_ulong in argument to func literal
core/xgdmatrix.go:87: cannot use &outLen (type *C.ulong) as type *C.bst_ulong in argument to func literal
core/xgdmatrix.go:108: cannot use &outLen (type *C.ulong) as type *C.bst_ulong in argument to func literal
core/xgdmatrix.go:132: cannot use C.ulong(nrows) (type C.ulong) as type C.bst_ulong in argument to func literal
core/xgdmatrix.go:132: too many errors

go get fail

not enough arguments in call to _Cfunc_XGBoosterPredict
have (_Ctype_BoosterHandle, _Ctype_DMatrixHandle, _Ctype_int, _Ctype_uint, *_Ctype_ulong, **_Ctype_float)
want (_Ctype_BoosterHandle, _Ctype_DMatrixHandle, _Ctype_int, _Ctype_uint, _Ctype_int, *_Ctype_ulong, **_Ctype_float)

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