Exploring the data
The process of exploring data is not simply defined. It involves the ability to recognize the different types of data, transform data types, and use code to systemically improve the quality of the entire dataset to prepare it for the modeling stage. In order to best represent and teach the art of exploration, I will present several different datasets and use the Python package
pandas to explore the data. Along the way, we will run into different tips and tricks on how to handle data.
There are three basic questions we should ask ourselves when dealing with a new dataset that we have not seen before. Keep in mind that these questions are not the beginning and the end of data science; they are some guidelines that should be followed ...