[R] Reading user input

projection83 mkurowski at gmail.com
Wed Apr 4 05:47:49 CEST 2007


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 at 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 at 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.
>>
> 
> 
> 
> -- 
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
> 
> What is the problem you are trying to solve?
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at 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.
> 
> 

-- 
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