How would you concatenate the elements of a vector into a single string with a comma between each element?
- None of the above
- Use the paste() function with both sep and collapse set to ","
- Use the paste() function with collapse = ","
- Use the paste() function with sep = ","
To concatenate the elements of a vector into a single string with a comma between each element, you would use the 'paste()' function with 'collapse = ","'. This will concatenate all the elements into a single string with a comma as the separator between each element.
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