What will be the output of the following R code? printmessage 0) + print("x is greater than zero") + else + print("x is less than or equal to zero") + invisible(x) + } printmessage(NA)

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What will be the output of the following R code? > printmessage 0) + print("x is greater than zero") + else + print("x is less than or equal to zero") + invisible(x) + } > printmessage(NA)

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What will be the output of the following R code? > printmessage <- function(x) { + if(x > 0) + print("x is greater than zero") + else + print("x is less than or equal to zero") + invisible(x) + } > printmessage(NA)

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