What is the usage of the keyword ?? in R?(a) Help window(b) Extensive – InterviewSolution

InterviewSolution

1.	What is the usage of the keyword ?? in R?(a) Help window(b) Extensive search(c) Error correction(d) Error detection
Answer» Right answer is (b) Extensive search The explanation: The ?? function scans the documentation for packages installed in your library. ?? (keyword) is generally used for a more extensive search when compared to the keyword ?.

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