Home Backend Development Golang How to use Go language for machine learning

How to use Go language for machine learning

Aug 02, 2023 pm 03:31 PM
go language machine learning Instructions

How to use Go language for machine learning

Introduction:
Machine learning is one of the hot topics in the computer field today. It can make computers intelligent by training models. Python is currently the most widely used machine learning programming language, but in fact, the Go language also provides some powerful machine learning libraries and tools. This article will introduce how to use the Go language for machine learning, and provide detailed instructions with code examples.

1. Install Go language and related libraries

  1. Download and install Go language: Download the Go language installation package for the corresponding platform from the official website https://golang.org/, and Follow the official instructions for installation and setup.
  2. Install machine learning libraries: There are some excellent machine learning libraries in Go language, including GoLearn, Gorgonia and Golearn-ml. They can be installed by executing the following command:

    go get -u github.com/sjwhitworth/golearn
    go get github.com/chewxy/gorgonia
    go get github.com/sjwhitworth/golearn-ml
    Copy after login

2. Use GoLearn for machine learning
GoLearn is a machine learning library for the Go language, which provides users with a A series of basic machine learning algorithms and data preprocessing tools. Below is a simple code example that demonstrates how to implement a linear regression model using GoLearn.

package main

import (
    "fmt"
    "github.com/sjwhitworth/golearn/base"
    "github.com/sjwhitworth/golearn/linear_models"
)

func main() {
    // 加载csv格式的数据文件
    rawData, err := base.ParseCSVToInstances("data.csv", true)
    if err != nil {
        fmt.Println("无法加载数据文件")
        return
    }

    // 划分数据集为训练集和测试集
    trainData, testData := base.InstancesTrainTestSplit(rawData, 0.8)

    // 创建线性回归模型并进行训练
    linearRegression := linear_models.NewLinearRegression()
    linearRegression.Fit(trainData)

    // 进行预测并计算模型性能
    predictions, err := linearRegression.Predict(testData)
    if err != nil {
        fmt.Println("无法进行预测")
        return
    }
    mae := base.MAE(testData, predictions)
    fmt.Println("平均绝对误差:", mae)
}
Copy after login

3. Use Gorgonia for deep learning
Gorgonia is a deep learning library based on the Go language, which uses symbolic computation to define and run neural network models. The following is a sample code that shows how to implement a simple forward propagation neural network model using Gorgonia.

package main

import (
    "fmt"
    "log"
    "gorgonia.org/gorgonia"
    "gorgonia.org/tensor"
)

func main() {
    // 创建节点
    g := gorgonia.NewGraph()
    input := gorgonia.NewMatrix(g, gorgonia.Float64, gorgonia.WithShape(1, 2), gorgonia.WithName("input"))
    weights := gorgonia.NewMatrix(g, gorgonia.Float64, gorgonia.WithShape(2, 1), gorgonia.WithName("weights"))
    bias := gorgonia.NewScalar(g, tensor.Float64, gorgonia.WithShape(1), gorgonia.WithName("bias"))

    // 定义前向传播计算过程
    hidden := gorgonia.Must(gorgonia.Mul(input, weights))
    output := gorgonia.Must(gorgonia.Add(hidden, bias))

    // 创建计算图
    machine := gorgonia.NewTapeMachine(g, gorgonia.BindDualValues(weights, bias), gorgonia.WithWatchlist())
    defer machine.Close()

    // 输入数据
    inputValues := []float64{0.5, 0.8}

    // 启动计算图
    if machine.Run(gorgonia.Nodes{
        input: gorgonia.NewMatrix(g, tensor.Float64, gorgonia.FromScalarArray(tensor.Float64, inputValues)),
    }); err != nil {
        log.Fatal(err)
    }

    // 输出结果
    outputValue := output.Value()
    fmt.Println("输出结果:", outputValue.Data())
}
Copy after login

Conclusion:
This article introduces how to use Go language for machine learning, and explains in detail using GoLearn and Gorgonia as examples. Of course, this only introduces the basic usage of some Go language machine learning libraries. Readers can further study these libraries and other related machine learning algorithms to develop more complex and efficient machine learning models. Whether in Python or Go, the essence of machine learning is the same. You just need to choose the appropriate language and tools according to your specific needs. I believe that through the introduction and sample code of this article, readers will have a preliminary understanding of using Go language for machine learning, and can try to use Go language to develop their own machine learning applications.

The above is the detailed content of How to use Go language for machine learning. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

What is the problem with Queue thread in Go's crawler Colly? What is the problem with Queue thread in Go's crawler Colly? Apr 02, 2025 pm 02:09 PM

Queue threading problem in Go crawler Colly explores the problem of using the Colly crawler library in Go language, developers often encounter problems with threads and request queues. �...

What libraries are used for floating point number operations in Go? What libraries are used for floating point number operations in Go? Apr 02, 2025 pm 02:06 PM

The library used for floating-point number operation in Go language introduces how to ensure the accuracy is...

In Go, why does printing strings with Println and string() functions have different effects? In Go, why does printing strings with Println and string() functions have different effects? Apr 02, 2025 pm 02:03 PM

The difference between string printing in Go language: The difference in the effect of using Println and string() functions is in Go...

How to solve the user_id type conversion problem when using Redis Stream to implement message queues in Go language? How to solve the user_id type conversion problem when using Redis Stream to implement message queues in Go language? Apr 02, 2025 pm 04:54 PM

The problem of using RedisStream to implement message queues in Go language is using Go language and Redis...

What should I do if the custom structure labels in GoLand are not displayed? What should I do if the custom structure labels in GoLand are not displayed? Apr 02, 2025 pm 05:09 PM

What should I do if the custom structure labels in GoLand are not displayed? When using GoLand for Go language development, many developers will encounter custom structure tags...

Which libraries in Go are developed by large companies or provided by well-known open source projects? Which libraries in Go are developed by large companies or provided by well-known open source projects? Apr 02, 2025 pm 04:12 PM

Which libraries in Go are developed by large companies or well-known open source projects? When programming in Go, developers often encounter some common needs, ...

What is the difference between `var` and `type` keyword definition structure in Go language? What is the difference between `var` and `type` keyword definition structure in Go language? Apr 02, 2025 pm 12:57 PM

Two ways to define structures in Go language: the difference between var and type keywords. When defining structures, Go language often sees two different ways of writing: First...

Why is it necessary to pass pointers when using Go and viper libraries? Why is it necessary to pass pointers when using Go and viper libraries? Apr 02, 2025 pm 04:00 PM

Go pointer syntax and addressing problems in the use of viper library When programming in Go language, it is crucial to understand the syntax and usage of pointers, especially in...

See all articles