[R] To represent on the same plot the relation (y1, x) and (y2, x)

[Arnaud Michel]

Thank you Arun
Michel
Le 01/09/2013 07:36, arun a écrit :
> Hi Arnaud,
> No problem.
> Try,
> x<- 1:10
>   set.seed(28)
>   y1<- rnorm(10)
> set.seed(485)
>   y2<- rnorm(10,25)
> library(plotrix)
>   twoord.plot(x,y1,y2,lylim=c(-2,2),rylim=c(20,30),ylab="y1",rylab="y2",lcol=2,rcol=4,main="y1, y2 vs. x")
>
> A.K.
>
>
>
>
> ----- Original Message -----
> From: Arnaud Michel <michel.arnaud at cirad.fr>
> To: arun <smartpink111 at yahoo.com>
> Cc: R help <r-help at r-project.org>
> Sent: Sunday, September 1, 2013 1:18 AM
> Subject: Re: [R] To represent on the same plot the relation (y1, x) and (y2, x)
>
> Thank you Arun
> But have you a solution if y1 and y2 have not the same unit (ex : the
> unit of y1 is meter and the unit of y2 is Kg)  and if I want the axe of
> y1 at the left of the plot and the axe of y2 at the rigth of the plot....
> Michel
>
> Le 31/08/2013 21:27, arun a écrit :
>> Hi,
>> May be this helps:
>>     x<- 1:10
>>     set.seed(28)
>>     y1<- rnorm(10)
>> set.seed(485)
>>     y2<- rnorm(10)
>>     plot(x,y1,col="red",type="b",ylab="y1:y2")
>> lines(y2,col="blue",type="b")
>> legend("topleft", legend = c("y1", "y2"),text.col=c("red","blue"))
>>
>>
>>
>> #or
>> library(ggplot2)
>> dat1<- data.frame(x,y1,y2)
>> ggplot(dat1,aes(x))+geom_line(aes(y=y1,colour="y1"))+
>>      geom_line(aes(y=y2,colour="y2")) +ylab("y1:y2")
>>
>> A.K.
>>
>>
>>
>>
>>
>> ----- Original Message -----
>> From: Arnaud Michel <michel.arnaud at cirad.fr>
>> To: R help <r-help at r-project.org>
>> Cc:
>> Sent: Saturday, August 31, 2013 1:57 PM
>> Subject: [R] To represent on the same plot the relation (y1, x) and (y2, x)
>>
>> Hello,
>> I have 3 vectors x, y1 and y2
>> I would like to represent on the same plot the two graph (y1, x) and
>> (y2, x).
>> Is it possible with ggplot ? other package ?
>> Thanks for your help
>>

-- 
Michel ARNAUD
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