What is the usage of the keyword ?? in R?(a) Help window(b) Extensive search(c) Error correction(d) Error detectionThe question was asked in homework.My doubt stems from Getting Started with R in division Sockets of JavaScript

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

1.	What is the usage of the keyword ?? in R?(a) Help window(b) Extensive search(c) Error correction(d) Error detectionThe question was asked in homework.My doubt stems from Getting Started with R in division Sockets of JavaScript
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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What is the usage of the keyword ?? in R?(a) Help window(b) Extensive search(c) Error correction(d) Error detectionThe question was asked in homework.My doubt stems from Getting Started with R in division Sockets of JavaScript

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