Hi
>
>
> Hi,
> why my script iss always generating the same graph?when I change the
> parameters and the name of text file?
> library(MASS)
> dados<-read.table("inverno.txt",header=FALSE)
> vento50<-fitdistr(dados[[1]],densfun="weibull")
> png(filename="invernoRG.png",width=800,height=600)
> hist(dados[[1]], seq(0, 18, 0.5), prob=TRUE, xlab="Velocidade (m/
> s)",ylab="Densidade", main="50 m")
> curve(dweibull(x, shape=0.614, scale=2.435), 0,18,add=T, col='red')
> dev.off()
I am rather puzzled. Hist will always plot a histogram if you give
suitable data to it. You do not show what x is.
And I believe that if you do
hist(dados[[1]], seq(20, 35, 0.5), prob=TRUE, xlab="Bla bla
(m/s)",ylab="xxxxxxxxxxx", main="150 m")
curve(dweibull(x, shape=0.614, scale=2.435), 0,18,add=T, col='blue')
You get some changes in your graph. If not something is wrong with hist or
curve. You maybe redefined those functions somehow.
Regards
Petr
>
> Best Regards
>
>
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>
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