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Nara Rama | 26 Mar 2010 20:48

R Scatter plot partially generated in Fedora

Hi:

I have installed R first time in Linux/Fedora. I used the yum command
(yum install R). The installation was successful and went without any
errors. I could also run the following R script without any errors.
But, the generated scatter plot only has three blue dots added through
the first plot(...) statement. It does not show the main title,
x-/y-axes, x-/y-labels, and also the green dots added through
points(...) statement.

I don't know if this is an installation problem. Please help.

Linux version:
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Linux domU-12-31-39-03-00-76 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15
12:39:36 EST 2008 i686 athlon i386 GNU/Linux

R version:
========

Installed Packages
Name       : R
Arch       : i386
Version    : 2.8.0
Release    : 2.fc8

R Script:
=======
(Continue reading)

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Paul Johnson | 27 Mar 2010 19:26
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Re: R Scatter plot partially generated in Fedora

Your R install is fine. You plot commands are wrong, though.

Also no need for semicolons at end of lines anymore.

Note your first x axis goes from 12, 16.

then later you try to write points at 10, which are out of bounds.  if
you want to write at 10, re-do your figure.  This code shows 5 points
on graph.

plot(x=c(7,18), y=c(6,14) , type="n", main="Test", xlab="X", ylab="y")

x <- c(12, 14, 16);
y <- c(7, 12, 10);
points(x,y, col="blue")
x2 <- c(10, 15);
y2 <- c(8, 12);
points(x2, y2, col="green");

After it looks good on screen, then wrap in the png commands.

On Fri, Mar 26, 2010 at 2:48 PM, Nara Rama <nara@...> wrote:
> Hi:
>
> I have installed R first time in Linux/Fedora. I used the yum command
> (yum install R). The installation was successful and went without any
> errors. I could also run the following R script without any errors.
> But, the generated scatter plot only has three blue dots added through
> the first plot(...) statement. It does not show the main title,
> x-/y-axes, x-/y-labels, and also the green dots added through
(Continue reading)

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