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40 Algorithms Every Programmer Should Know

You're reading from  40 Algorithms Every Programmer Should Know

Product type Book
Published in Jun 2020
Publisher Packt
ISBN-13 9781789801217
Pages 382 pages
Edition 1st Edition
Languages
Author (1):
Imran Ahmad Imran Ahmad
Profile icon Imran Ahmad
Toc

Table of Contents (19) Chapters close

Preface 1. Section 1: Fundamentals and Core Algorithms
2. Overview of Algorithms 3. Data Structures Used in Algorithms 4. Sorting and Searching Algorithms 5. Designing Algorithms 6. Graph Algorithms 7. Section 2: Machine Learning Algorithms
8. Unsupervised Machine Learning Algorithms 9. Traditional Supervised Learning Algorithms 10. Neural Network Algorithms 11. Algorithms for Natural Language Processing 12. Recommendation Engines 13. Section 3: Advanced Topics
14. Data Algorithms 15. Cryptography 16. Large-Scale Algorithms 17. Practical Considerations 18. Other Books You May Enjoy

Practical example – how to predict the weather

Let's see how we can use the concepts developed in this chapter to predict the weather. Let's assume that we want to predict whether it will rain tomorrow based on the data collected over a year for a particular city. 

The data available to train this model is in the CSV file called weather.csv:

  1. Let's import the data as a pandas data frame:

import numpy as np 
import pandas as pd
df = pd.read_csv("weather.csv")
  1. Let's look at the columns of the data frame:

  1. Next, let's look at the header of the first 13 columns of the weather.csv data:

  1. Now, let's look at the last 10 columns of the weather.csv data:

  1. Let's use x to represent the input features. We will drop the Date field for the feature list as it is not useful in the context of predictions. We will also drop the ...

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