R Programming for Statistics and Data Science - Extending a Data Frame in R

The video tutorial covers how to manipulate data frames in R, focusing on adding variables and observations. It explains three methods to add columns: using list notations with dollar signs or double brackets, and the cbind function. For adding rows, it highlights the need to create a small data frame and use rbind, ensuring variable names match. The tutorial concludes with a recap and encourages practice with preloaded data frames in R.

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