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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.csv(“foo.txt”) (b) data <- read.csvo(“foo.txt”) (c) data <- readonly.csv(“foo.txt”) (d) data <- getonly.csv(“foo.txt”) The question was asked in quiz. The origin of the question is Connection Interfaces in section R – Data Storage, Formats, Objects and Operations of R Programming Select the correct answer from above options

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Right option is (a) data <- read.csv(“foo.txt”) The best explanation: Connections must be opened, then the are read from or written to, and then they are closed.

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