R Programming for Beginners: Understanding Data FramesáFactors & Strings

“Data frames are an R abstraction for tabular data similar to that contAIned in spreadsheet files or database tables. Data frames can work directly with files in the CSV JSON and Excel format all common formats used to store data.

This course outlines the characteristics of data frames in the R programming language and demonstrates how to use them.

You ll learn to create basic R data frames from multiple vectors. You ll use factors – similar to enums or enumerated types in other programming languages and great for categorical variables.

You ll also learn how to perform various string manipulation operations such as splitting and joining strings and changing case. You ll then practice the important topic of printing precisely formatted strings with placeholders for variable values.

When you re done you ll be able to use data frames factors and strings professionally in your R programming projects.”