Problems with plot function
Hi
Just a small modification. You has to return also conc.
simulation <- function(k, n){
conc <- seq(0,10,by=0.5)
#choixg <- seq(1, length(conc))
choixg <- rep(0,length(conc))
for (i in 1:length(conc)){
choixg[i] <- (k + conc[i])^2/((k+conc[i])^n + (k+1)^n)
}
return(data.frame(choixg, conc))
}
mydf<-simulation(5,1)
plot(mydf$conc, mydf$choixg, main ="fonction de choix", col=
"blue", pch=20,
xlab = " concentration", ylab="proba de choisir la gauche")
HTH
Petr
On 11 Oct 2005 at 18:54, KOITA Lassana - STAC/ACE wrote:
To: r-help at stat.math.ethz.ch From: "KOITA Lassana - STAC/ACE" <lassana.koita at aviation-civile.gouv.fr> Date sent: Tue, 11 Oct 2005 18:54:18 +0200 Subject: [R] Problems with plot function
Hello all R users,
My simulation function works correctly, but I have problems with plot
function. You will find the following code using it. Thank you for
your help ##################################################"
simulation <- function(k, n){
conc <- seq(0,10,by=0.5)
#choixg <- seq(1, length(conc))
choixg <- rep(0,length(conc))
for (i in 1:length(conc)){
choixg[i] <- (k + conc[i])^2/((k+conc[i])^n + (k+1)^n)
}
return(choixg)
}
simulation(5,1)
plot(conc, choixg, main ="fonction de choix", col= "blue", pch=20,
xlab = " concentration", ylab="proba de choisir la gauche")
##########################################################
Lassana KOITA
Service Technique de l'Aviation Civile (STAC)
Direction G??n??rale de l'Aviation Civile (DGAC)
Tel: 01 49 56 80 60
Fax: 01 49 56 82 14
http://www.stac.aviation-civile.gouv.fr
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Petr Pikal petr.pikal at precheza.cz