Dear all, I am looking for some procedure to send inputs to a function
interactively. Here is an example:
fn1 <- function(x = 10) {
y <- 0
# ask user whether he wants to put some other value for "y"
# R will show 2 options: 1. y = 2
# 2. y = 3
# user will choose either options 1 or 2
# once user is done, function will over-write the existing value of y,
with say, option 2. Therefore current value of y is 2. Then R will
continue calculation
return(x*y)
}
Here obviously I can put "y" as the 2nd input of fn1(), however I want
to do so interactively.
Can friends here direct me how to do that?
Thanks,
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