This chapter has the following technical requirements:
- You can find the code and the dataset at the following GitHub link: https://github.com/PacktPublishing/Python-Data-Analysis-Third-Edition/tree/master/Chapter02.
- All the code blocks are available at ch2.ipynb.
- This chapter uses four CSV files (WHO_first9cols.csv, dest.csv, purchase.csv, and tips.csv) for practice purposes.
- In this chapter, we will use the NumPy, pandas, and Quandl Python libraries.