Which of the following join is by default used in plyr package?

🎲 Try a Random Question  |  Total Questions in Quiz: 33  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Getting Data — practice the complete quiz, review flashcards, or try a random question.

MCQs on raw data, processed data, tidy data, web reading, API, data summarization and merging, regular expressions and text variables.


Which of the following join is by default used in plyr package?