Book Image

The Pandas Workshop

By : Blaine Bateman, Saikat Basak, Thomas V. Joseph, William So
5 (1)
Book Image

The Pandas Workshop

5 (1)
By: Blaine Bateman, Saikat Basak, Thomas V. Joseph, William So

Overview of this book

The Pandas Workshop will teach you how to be more productive with data and generate real business insights to inform your decision-making. You will be guided through real-world data science problems and shown how to apply key techniques in the context of realistic examples and exercises. Engaging activities will then challenge you to apply your new skills in a way that prepares you for real data science projects. You’ll see how experienced data scientists tackle a wide range of problems using data analysis with pandas. Unlike other Python books, which focus on theory and spend too long on dry, technical explanations, this workshop is designed to quickly get you to write clean code and build your understanding through hands-on practice. As you work through this Python pandas book, you’ll tackle various real-world scenarios, such as using an air quality dataset to understand the pattern of nitrogen dioxide emissions in a city, as well as analyzing transportation data to improve bus transportation services. By the end of this data analytics book, you’ll have the knowledge, skills, and confidence you need to solve your own challenging data science problems with pandas.
Table of Contents (21 chapters)
1
Part 1 – Introduction to pandas
6
Part 2 – Working with Data
11
Part 3 – Data Modeling
15
Part 4 – Additional Use Cases for pandas

Activity 5.01 – Creating a multi-index from columns

In this activity, you will read in a DataFrame from a file and then use some of the columns to create a sorted multi-index. Suppose you have been given a .csv file containing data about mushrooms, which, as you understand it, contains a classification of edible or poisonous mushrooms, as well as many visual features to allow them to be identified. Since you are a mushroom hunting enthusiast, you are very interested in analyzing and summarizing the data. You begin by reading the data in. Let's get started:

  1. For this activity, all you will need is the pandas library. Load it into the first cell of the notebook.
  2. Read in the mushroom.csv data from the Datasets directory and list the first five rows using .head().
  3. You will see the class column and many visible attributes. List all the columns to see what else there is to work with. The result should be as follows:

Figure 5.32 –...