R Programming MCQs MCQ: If you have an existing package that doesn't have an .Rproj file, you can use devtools for the use_rstudio(". . . . . . . ./to/package") to add it.

If you have an existing package that doesn't have an .Rproj file, you can use devtools for the use_rstudio(". . . . . . . ./to/package") to add it.

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