How do you convert a string to uppercase in R?

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How do you convert a string to uppercase in R?

a) toupper()
b) toUpperCase()
c) upper()
d) str_upper()

Answer:

a) toupper()

Explanation:

The toupper() function converts all characters of a string to uppercase in R.

Reference:

R Programming – String MCQ Questions and Answers

Related MCQ (Multiple Choice Questions) :

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