Can you explain the use of Unicode escape sequences in R?
- Unicode escape sequences are used to represent non-ASCII characters in a string
- Unicode escape sequences are used to encode strings for secure transmission
- Unicode escape sequences are used to represent special characters within a regular expression
- All of the above
The use of Unicode escape sequences in R is to represent non-ASCII characters within a string. Unicode escape sequences start with u followed by a hexadecimal representation of the character's Unicode code point. For example, "u00E9" represents the character é.
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