R StatisticsLesson 30Free preview

R Data Set

This lesson is part of R · All levels

Summary

This lesson introduces a set of built-in datasets that are ready to be used for training in R without the need to import external files. The standard 'datasets' package includes well-known data sets such as mtcars, iris, and airquality. The developer will learn how to call, examine dimensions, and explore the dataset.

Key points

R includes dozens of ready-to-use datasets in the built-in 'datasets' package
Notable datasets include 'mtcars' (car specifications), 'iris' (flowers), and 'airquality' (air quality)
The 'data()' function displays a list of all available built-in datasets
The 'dim()' and 'colnames()' functions check the number of rows/columns and column names of the dataset

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