Python: Data Analytics and Visualization
by Phuong Vo.T.H, Martin Czygan, Ashish Kumar, Kirthi Raman
Summary
In this chapter we have looked at ways to manipulate data frames, from cleaning and filtering, to grouping, aggregation, and reshaping. Pandas makes a lot of the common operations very easy and more complex operations, such as pivoting or grouping by multiple attributes, can often be expressed as one-liners as well. Cleaning and preparing data is an essential part of data exploration and analysis.
The next chapter explains a brief of machine learning algorithms that is applying data analysis result to make decisions or build helpful products.
Practice exercises
Exercise 1: Cleaning: In the section about filtering, we used the Europe Brent Crude Oil Spot Price, which can be found as an Excel document on the internet. Take this Excel spreadsheet ...