Knowing Your Data
IN THIS CHAPTER
Managing the selection and collection of data effectively
Examining and documenting the data
Enhancing your understanding of the data by using an explorative approach
Analyzing and rating data quality
Approaching your data strategy in the right way is fundamental for you to secure a stable foundation for the rest of your data science investment. And it's not just about securing the integrity in the data; you also need to make sure that the data types you choose for your business objectives are the right ones and are selected for the right reasons. For that to happen, you need to understand the data you're targeting. To gain that understanding, you have to successfully work four main steps: Select data, describe data, explore data, and assess data quality.
Selecting Your Data
Data selection is the process of determining the appropriate data type and source — as well as the suitable methods — to collect data. Data selection precedes the actual task of data collection.