[R-SIG-Finance] interactive session

[Joshua Ulrich]

Faith,

This is not a finance question.  Please ask general R questions on R-help.
--
Joshua Ulrich
FOSS Trading: www.fosstrading.com



On Wed, Sep 29, 2010 at 2:19 AM, Pam <fkiraz11 at yahoo.com> wrote:
> To Arun;
>
> Thanks although that link did not provide answers to me.. but I will never
> use the remove all syntax again while posting messages here, thanks again for
> the proper warning..
>
>
>
> To all [R-SIG-Finance] family;
>
> My concern is to create an automated process from the beginning to the end. I
> want to copy all my code together in one piece and paste it to R console and sit
> back and relax :) except one moment in which the program should ask me to enter
> a number.. and only then (only after getting a valid number from me) it should
> continue to read and process the rest of the code. I tried lots of things
> (readline, readLines, scan, interactive, ask, switch,...) and read manuals and
> searched help forums.. I found several similar questions but never a satisfying
> answer.. so now it became a challenge.. any idea how to overcome this problem (R
> 2.11.1 for Windows)? more specific info on my problem is in "Message 8" below.
>
> Best,
> Fatih
>
> ------------------------------
>
> Message: 8
> Date: Tue, 28 Sep 2010 00:35:57 -0700 (PDT)
>
> To: r-sig-finance at stat.math.ethz.ch
> Subject: [R-SIG-Finance] interactive session
> Message-ID: <989282.9524.qm at web52708.mail.re2.yahoo.com>
> Content-Type: text/plain
>
> Hi guys,
>
> I examined lots of manuals' examples  but I could not exactly manage what I
> wanted. I want to insert a function in my test code and make it an interactive
> and semi-automatic process. I want the user to enter a valid number before being
>
> able to continue and then I want the code to use that number as an input to the
> next command. If the thing user supplied is not a valid number, I want the code
> ask again and again until the proper response comes. How can I do this. That
> part of my code looks like this:
>
> library(gtools)
> library(YaleToolkit)
> library(xts)
>
> ### start of my wrong function!
> f<-function(w){
>  w<-readline("which data? ")
>  w<-as.numeric(w)
>  ifelse(is.numeric(w)=="TRUE", w, f())
>  }
> f()
> ##### end of my wrong function
>
> v<- ## and output of my function should be a "v" for example which I can use it
> in the next line (v<-w  or something like that??)
>
> ##the rest works fine
> p<-paste("t", v, ".txt", sep = "")
> t<-read.table(p, header=FALSE, sep="\t", dec=",",
> blank.lines.skip=FALSE)
> rownames(t)<-as.Date(t[,1],"%d.%m.%Y")
> colnames(t)<-c("date","start","high","low","end","w.average","lot",
> "volume")
> x<-as.xts(t)
> whatis(x)
> .
> .
>
> Could you help me with this problem?
>
> Best,
> Fatih
>
>
>
>
>     [[alternative HTML version deleted]]
>
>
>
> ------------------------------
>
> Message: 9
> Date: Tue, 28 Sep 2010 01:00:31 -0700 (PDT)
> From: "Arun.stat" <arun.kumar.saha at gmail.com>
> To: r-sig-finance at stat.math.ethz.ch
> Subject: Re: [R-SIG-Finance] interactive session
> Message-ID: <1285660831654-2716756.post at n4.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
>
> Dear Fatih, if your problem is to let user to provide inputs of a function
> interactively then perhaps
> "http://r.789695.n4.nabble.com/Supplying-function-inputs-interactively-td2536003.html#a2536003"
>
> may be with some help.
>
> PS: please never use the syntax "rm(list=ls())" when you give any example.
> User suddenly might find all his works gone if he tries to replicate your
> code in his current work session without noticing each and every details.
>
> Thanks,
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/interactive-session-tp2716730p2716756.html
> Sent from the Rmetrics mailing list archive at Nabble.com.
>
>
>
> ------------------------------
>
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>
> End of R-SIG-Finance Digest, Vol 76, Issue 24
> *********************************************
>
>
>
>
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