Basic functions in R

In this page, we will learn various widely-used functions in R.

The following is example functions that we will learn in this section.

1. Look up data and workspace

• print() : Print a value stored in an object to the console
• data() : Pop up help document for built-in functions
• head() : Print the first part of dataset
• ls() : Show a list of variables saved in the workspace.

2. Using R functionality

• help() : Pop up help document for built-in functions
• install.packages() : Pop up help document for built-in functions
• library() : Pop up help document for built-in functions
• example() : Pop up help document for built-in functions

3. Data management

• c() : Generate a vector
• seq() : Generate sequence
• rep() : Replicate the pattern
• sum() : Sum up the values in a vector
• min() : Find a minimum value in a vector
• which.min() : Find index where the minimum value are located in a vector.

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