Whether you believe method chaining is a good practice or not, it is quite common to encounter it during data analysis with pandas. The Chaining Series methods together recipe in Chapter 1, Pandas Foundations, showcased several examples of chaining Series methods together. All the method chains in this chapter will begin from a DataFrame. One of the keys to method chaining is to know the exact object being returned during each step of the chain. In pandas, this will nearly always be a DataFrame, Series, or scalar value.
Chaining DataFrame methods together
Getting ready
In this recipe, we count all the missing values in each column of the move dataset.
