Re: [R] Subsetting within xyplot()

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Tue, 26 Feb 2008 16:44:39 -0300

Try this:

 xyplot(y ~ x , data = junk.frm, type = c("g", "p","smooth"), pch=20, subset=z=="D" & y < 2)

On 26/02/2008, David Afshartous <dafshartous_at_med.miami.edu> wrote:
>
> All,
>
> I'm having problems w/ a simple attempt to subset an xyplot.
>
> The first plot below is a plot of y versus x for certain values of a third
> categorical variable z. Now I'd like to further restrict this to certain
> values of variable y. Neither of the two attempts below work. Any
> suggestions much appreciated. (note: I don't want to merely use ylim since
> I have a loess plot and I want this to be calculated w/ the restricted
> values).
>
> Thanks,
> David
>
>
>
>
> y = c( 0.4, 0.6, -0.1, 0.3, 0.3, -0.2, 0.7, 0.7, 0.2, 0.0, 0.9,
> -0.1, 0.6, -1.1, 0.8, -1.0, 0.4, 0.1, 0.7, -0.2, -0.1, -0.1, 2.2,
> 0.7, 1.1, 0.2, -0.2, -0.9, 0.4, 0.1, -0.3, -0.4)
> x = c(4.1000, 4.9600, 1.2000, 3.9000, 3.1875, 1.9000, 1.8625,
> 0.7650, 1.5750, 2.4700, 1.6250, 1.5500, 2.3125, 1.3125, 1.0600,
> -0.5500, 1.1000, 0.0200, -0.0375, 3.4600, 2.5250, 2.0950, 0.8000,
> 1.6050, -0.4150, -0.7300, 1.1550, 1.4850, 2.2000, 2.2500, 0.6000,
> 2.1000)
> junk.frm = data.frame(x, y, z = rep(c("D", "P"), 16))
>
> xyplot(y ~ x , data = junk.frm[junk.frm$z =="D",], type = c("g", "p",
> "smooth"), pch = 20)
>
> xyplot(y ~ x , data = junk.frm[junk.frm$z =="D",], type = c("g", "p",
> "smooth"), pch = 20,
> , subset = junk.frm[junk.frm$y < 2, ])
> Error in tmp[subset] : invalid subscript type 'list'
>
> xyplot(y ~ x , data = junk.frm[junk.frm$z =="D",], type = c("g", "p",
> "smooth"), pch = 20,
> data = junk.frm[junk.frm$y < 2 & junk.frm$z =="D", ])
> Error in xyplot(y ~ x, data = junk.frm[junk.frm$z == "D", ], type = c("g",
> :
> formal argument "data" matched by multiple actual arguments
>
> ______________________________________________
> R-help_at_r-project.org 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.
>

-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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Received on Tue 26 Feb 2008 - 19:47:04 GMT

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