Data Blogger Courses

Mastering Pandas

In this course, you will learn how to use the Python Pandas. After the course, you will be able to:

  • Load and transform your data
  • Visualizing data using line plots, scatter plots and histograms
  • Merging and storing data

The course also includes more advanced topics, such as data parallelization and aggregation.

You can see all course content under “Curriculum” on Data Blogger Courses and the first three lessons are free. The first free lesson can be found here.

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Building a news search engine

News papers.

In this article, we will build a basic news search engine that is capable of finding news by keywords. Since this is a complex system, I will first split the system up into smaller modules. The first module is the module that retrieves all news from the internet. This module is called a scraper (or web scraper) and is written in Python. It maintains a file called the index. This is a file that contains a list of documents per keywords. For example, several documents contain the term “music”, so the index contains the term “music” and a list with references to all documents that contain the word “music”. But we will first start with our scraper.

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