The correct answer is: A. jsonlite
jsonlite is a package for reading and writing JSON data in R. It is a wrapper around the RJSONIO package, and provides a more concise and user-friendly interface. jsonlite can be used to read JSON data from a file, from a URL, or from a string. It can also be used to write JSON data to a file or to a URL.
The following code shows how to read JSON data from a file:
library(jsonlite)
data <- read_json("data.json")
The following code shows how to write JSON data to a file:
write_json(data, "data.json")
The following code shows how to read JSON data from a URL:
data <- read_json("https://example.com/data.json")
The following code shows how to write JSON data to a URL:
write_json(data, "https://example.com/data.json")
The following code shows how to read JSON data from a string:
data <- read_json(text = "{\"name\": \"John Doe\", \"age\": 30}")
The following code shows how to write JSON data to a string:
write_json(data, text = "{\"name\": \"John Doe\", \"age\": 30}")
jsonlite is a powerful and flexible package for reading and writing JSON data in R. It is easy to use and provides a wide range of features.
The other options are incorrect because they are not packages for reading JSON data in R.