The 'collapse' argument in the paste() function is used to ________ the elements of the resulting vector.
- None of the above
- collapse into a single string
- join
- separate
The 'collapse' argument in the paste() function is used to collapse the elements of the resulting vector into a single string with a specified separator. For example, 'paste(c("Hello", "world!"), collapse = " ")' would return "Hello world!".
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