[R] user input

From: Ivan Calandra <ivan.calandra_at_uni-hamburg.de>
Date: Wed, 20 Apr 2011 11:00:36 +0200

Dear users,

I have looked on different sources and found different functions to prompt the user to provide input. However, I couldn't find one that does exactly what I'm looking for.

select.list() and menu() are nice because a graphic window appears to prompt the user. However, the user can only choose from a predefined list of choices. readline() and scan() are more free in the input but prompt the user in the console.

a <- select.list(choices=c("0.0","0.1","0.2"), title="select number") a ## I cannot choose "0.15"
[1] "0.1"

b <- readline(prompt="select number ")
select number 0.2 ## in the console, not really visible b
[1] "0.2"

I would like both "free" input and a pop-up window. Is there a function for this?

Thanks in advance,

PhD Student
University of Hamburg
Biozentrum Grindel und Zoologisches Museum
Abt. Säugetiere
Martin-Luther-King-Platz 3
D-20146 Hamburg, GERMANY
+49(0)40 42838 6231


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Received on Wed 20 Apr 2011 - 09:02:20 GMT

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