Data understanding
Now that the goals and success criteria of our activity are clear, we can start gathering relevant data for our project. Where should we look for this data? Within the resources, we listed the project plan, of course. The first task of this phase will, therefore, be to actually start acquiring from your resources.
Data collection
A core principle to be respected during these activities is replicability—you should carefully take note of all the steps and criteria employed within the data acquisition phase, so that it can be replicated by a third-party, and also by yourself in future, if needed. The typical output of this phase is a data collection phase, where steps and filtering criteria are listed.
How to perform data collection with R
If your data mining project is going to be performed with R, which we could infer from you reading this book, the data collection phase will essentially be performed by downloading your data from its original source, and importing it within...