Feature Engineering
Learning Objectives
By the end of this chapter, you will be able to:
- Interpret date, time series, domain-specific, and datatype-specific data in R.
- Perform numeric and string operations in R.
- Handle categorical variables.
- Generate automated text features in R.
- Identify and add features to an R data frame.
- Implement selection using the correlation analysis, PCA, and RFE approaches.
In this chapter, we will be handling, selecting, and normalizing features required for building a model.
