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Dropping Data Frame Columns in R

Steven Sanderson performs feature selection:

As an R programmer, one of the fundamental tasks you’ll encounter is manipulating data frames. Whether you’re cleaning messy data or preparing it for analysis, knowing how to drop unnecessary columns is a valuable skill. In this guide, we’ll walk through the process of dropping columns from data frames in R, using simple examples to demystify the process.

Read on for three ways of doing this.