Re: [R] Reading user input

From: projection83 <mkurowski_at_gmail.com>
Date: Wed 04 Apr 2007 - 03:47:49 GMT

I dont know if thats what i want (its not working like i want). I would like to have R pause, wait for a user input of a number, then store that number as a variable to use in the next calculation it does... Or should the below do that?

jim holtman wrote:
>
> what you want is:
>
> defineSamples<- function()
> {
> readline("enter the number of groups: ")
> }
>
> ANSWER <- defineSamples()
>
>
>
> On 4/1/07, projection83 <mkurowski@gmail.com> wrote:

>>
>>
>> Hi there, this is a very easy question, i just cant seem to find a
>> straight
>> answer- i need this one thing, then i can finish my project for this
>> term.
>>
>> I am making an interactive application with R where I get the user to
>> input
>> numbers that the program then uses in the analysis.  I have figured out a
>> lot of stuff, yet this is somehow hard to find the answer to:
>> #--------------------------------------------------
>> defineSamples<- function()
>>        {
>>              ANSWER<-numeric()
>>              ANSWER<-readline("enter the number of groups: ")
>>        }
>>
>> runit()
>>
>> ANSWER # this does not hold the value the user inputs
>> #-------------------------------------------------
>>
>> If I then see what ANSWER is storing it says "numeric(0)", how do I get
>> this
>> to store whatever number the user inputs (and am i going to have to
>> convert
>> from a string to a number???
>>
>> THANKs for any help!
>> --
>> View this message in context:
>> http://www.nabble.com/Reading-user-input-tf3503016.html#a9783275
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
>> R-help@stat.math.ethz.ch mailing list
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>

>
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem you are trying to solve?
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>
-- 
View this message in context: http://www.nabble.com/Reading-user-input-tf3503016.html#a9830512
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Received on Wed Apr 04 13:52:54 2007

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