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Checking if a Column Exists in an R Data Frame

Steven Sanderson takes a peek:

When working with data frames in R, it’s common to need to check whether a specific column exists. This is particularly useful in data cleaning and preprocessing, to ensure your scripts don’t throw errors if a column is missing. Today, we’ll explore several methods to perform this check efficiently in R, and I encourage you to try these methods out with your own data sets.

Read on for four ways to do this.

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