Think matrix, not scalar.
> tmp <- structure(list(x = c(1, 1, 1, 2, 2, 2, 3, 3, 3), y = c(1, 2,
+ 3, 1, 2, 3, 1, 2, 3), e = c(0, -1, -2, 1, 0, -1, 2, 1, 0)), row.names =
c(NA,
+ -9L), .Names = c("x", "y", "e"), class = "data.frame")
>
> tmp
x y e
1 1 1 0
2 1 2 -1
3 1 3 -2
4 2 1 1
5 2 2 0
6 2 3 -1
7 3 1 2
8 3 2 1
9 3 3 0
> plot( y ~ x, data=tmp, subset=(e>0) )
>
On Sat, Sep 22, 2012 at 11:48 PM, Bhupendrasinh Thakre <
vickytha...@gmail.com> wrote:
> Hi Team,
>
> I am trying to very simple plot with command plot.
>
> Question : I am trying to plot (x,y) based on the value of Column e.
> If column e value is greater than 0 then plot(x,y) otherwise do not plot
> it.
>
> Data :
>
> structure(list(x = c(1, 1, 1, 2, 2, 2, 3, 3, 3), y = c(1, 2,
> 3, 1, 2, 3, 1, 2, 3), e = c(0, -1, -2, 1, 0, -1, 2, 1, 0)), row.names =
> c(NA,
> -9L), .Names = c("x", "y", "e"), class = "data.frame")
>
> System Info :
>
> R version 2.15.1 (2012-06-22)
> Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>
> locale:
> [1] C/en_US.UTF-8/C/C/C/C
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] SemiPar_1.0-3 MASS_7.3-18 nlme_3.1-104
> cluster_1.14.2
> [5] RSVGTipsDevice_1.0-4 maptools_0.8-16 lattice_0.20-6
> foreign_0.8-50
> [9] rgdal_0.7-18 sp_0.9-99
>
> loaded via a namespace (and not attached):
> [1] RCurl_1.91-1 grid_2.15.1 tools_2.15.1 twitteR_0.99.19
>
> It's very simple but I am not able to plot it with following commands
>
> for (i in 1:9) {ifelse(z1$e[[i]] > 0 , plot(z1$x,z1$y),plot(z1$x,z1$e))}
> Or
> ifelse(z1$e > 0,plot(z1$x,z1$y),plot(z1$x,z1$e))
>
>
> Bhupendrasinh Thakre
>
>
>
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@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.
>
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