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Mastering Go

You're reading from   Mastering Go Create Golang production applications using network libraries, concurrency, machine learning, and advanced data structures

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Product type Paperback
Published in Aug 2019
Publisher Packt
ISBN-13 9781838559335
Length 798 pages
Edition 2nd Edition
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Author (1):
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Mihalis Tsoukalos Mihalis Tsoukalos
Author Profile Icon Mihalis Tsoukalos
Mihalis Tsoukalos
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Table of Contents (15) Chapters Close

1. Go and the Operating System 2. Understanding Go Internals FREE CHAPTER 3. Working with Basic Go Data Types 4. The Uses of Composite Types 5. How to Enhance Go Code with Data Structures 6. What You Might Not Know About Go Packages and Functions 7. Reflection and Interfaces for All Seasons 8. Telling a UNIX System What to Do 9. Concurrency in Go – Goroutines, Channels, and Pipelines 10. Concurrency in Go – Advanced Topics 11. Code Testing, Optimization, and Profiling 12. The Foundations of Network Programming in Go 13. Network Programming – Building Your Own Servers and Clients 14. Machine Learning in Go 15. Other Books You May Enjoy

Anomaly detection

Anomaly detection techniques try to find the probability that a given set contains anomalous behavior, which can be unusual values or patterns.

The utility that is going to be developed in this section is called anomaly.go, and it is going to be presented in three parts. The utility uses probabilistic anomaly detection with the help of the Anomalyzer package and calculates the probability that the given set of numeric values contains anomalous behavior.

The first part of anomaly.go is as follows:

package main 
 
import ( 
    "flag" 
    "fmt" 
    "math/rand" 
    "strconv" 
    "time" 
 
    "github.com/lytics/anomalyzer" 
) 
 
func random(min, max int) int { 
    return rand.Intn(max-min) + min 
} 

The second part of anomaly.go is as follows:

func main() { 
    flag.Parse() 
    if len(flag.Args...
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