Which of the following code opens a connection to the file foo.txt, reads from it, and closes the connection when its done?

A) data <- read.csvo(“foo.txt”)

B) data <- read.csv(“foo.txt”)

C) data <- getonly.csv(“foo.txt”)

D) data <- readonly.csv(“foo.txt”)

Correct Answer : data <- read.csv(“foo.txt”)

Explanation : Connections must be opened, then the are read from or written to, and then they are closed.

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