[R] Where can I download/install grDevices

[Stephen Liu]

Hi folks,

Debian 504 64 bit

grDevices is NOT on Debian repo

$ apt-cache search r-cran | grep grDevices
no printout

On R

$ sudo R
> install.packages("grDevices", dependencies=TRUE))
Warning in install.packages("grDevices") :
argument 'lib' is missing: using '/usr/local/lib/R/site-library'
--- Please select a CRAN mirror for use in this session ---
Loading Tcl/Tk interface ... done
Warning message:
In install.packages("grDevices") : package ‘grDevices’ is not available

Please advise where can I download/install grDevices? TIA

B.R.
Stephen L

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[Dirk Eddelbuettel]

On Tue, Aug 31, 2010 at 04:50:39AM -0700, Stephen Liu wrote:
> Hi folks,
>
> Debian 504 64 bit
>
> grDevices is NOT on Debian repo
>
> $ apt-cache search r-cran | grep grDevices
> no printout
>
> On R
>
> $ sudo R
> > install.packages("grDevices", dependencies=TRUE))
> Warning in install.packages("grDevices") :
> argument 'lib' is missing: using '/usr/local/lib/R/site-library'
> --- Please select a CRAN mirror for use in this session ---
> Loading Tcl/Tk interface ... done
> Warning message:
> In install.packages("grDevices") : package ‘grDevices’ is not available
>
> Please advise where can I download/install grDevices? TIA

You're confused.

It is part of R itself, and on Debian et al in r-base-core:

edd@max:~$ dpkg -S /usr/lib/R/library/grDevices/DESCRIPTION
r-base-core: /usr/lib/R/library/grDevices/DESCRIPTION
edd@max:~$

Hth, Dirk

--
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[Stephen Liu]

Hi Dirk,

I already have the package installed.

$ apt-cache policy r-base-core
r-base-core:
Installed: 2.7.1-1+lenny1
Candidate: 2.7.1-1+lenny1
Version table:
*** 2.7.1-1+lenny1 0
500 http://ftp.hk.debian.org lenny/main Packages
100 /var/lib/dpkg/status

$ dpkg -S /usr/lib/R/library/grDevices/DESCRIPTION
r-base-core: /usr/lib/R/library/grDevices/DESCRIPTION

It is there. But I can't find dev.new on R

B.R.
Stephen

[Gavin Simpson]

On Tue, 2010-08-31 at 05:23 -0700, Stephen Liu wrote:
> Hi Dirk,
>
> I already have the package installed.
>
> $ apt-cache policy r-base-core
> r-base-core:
> Installed: 2.7.1-1+lenny1
> Candidate: 2.7.1-1+lenny1
> Version table:
> *** 2.7.1-1+lenny1 0
> 500 http://ftp.hk.debian.org lenny/main Packages
> 100 /var/lib/dpkg/status
>
> $ dpkg -S /usr/lib/R/library/grDevices/DESCRIPTION
> r-base-core: /usr/lib/R/library/grDevices/DESCRIPTION
>
> It is there. But I can't find dev.new on R

What do you mean by "can't find dev.new on R"? Do you want the source
code? At the R level?

dev.new

at the R prompt (yes, without parentheses) will show you that.

?dev.new

will give you the help page - you even showed me that this worked on
your system in another thread a few days ago, so it is there.

G

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[Lizblip]

I get the same errors:

> plotmath(area~cell,main="Myofibril areas by cell",ylab=expression("Areas
> (mu*m^2)"),xlab="")
Error: could not find function "plotmath"

> install.packages("grDevices")

Warning in install.packages("grDevices") :
argument 'lib' is missing: using

'/home/elizabeth/R/i686-pc-linux-gnu-library/2.11'
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :

package ‘grDevices’ is not available

and when I just do this:
> install.packages()

grDevices isn't in the list that pops up

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[Duncan Murdoch]

On 10/02/2011 4:08 PM, Lizblip wrote:
>
> I get the same errors:
>
>> plotmath(area~cell,main="Myofibril areas by cell",ylab=expression("Areas
>> (mu*m^2)"),xlab="")
> Error: could not find function "plotmath"

There is no plotmath function. "plotmath" is the name of the help
topic; it describes how various other functions plot text that includes
math.

>
>> install.packages("grDevices")
> Warning in install.packages("grDevices") :

grDevices is a base package, so if you've got R, you've got it.

Duncan Murdoch

> argument 'lib' is missing: using
> '/home/elizabeth/R/i686-pc-linux-gnu-library/2.11'
> Warning message:
> In getDependencies(pkgs, dependencies, available, lib) :
> package ‘grDevices’ is not available
>
> and when I just do this:
>> install.packages()
>
> grDevices isn't in the list that pops up
>
>

______________________________________________

[Lizblip]

Duncan Murdoch-2 wrote:
>
>
> There is no plotmath function. "plotmath" is the name of the help
> topic; it describes how various other functions plot text that includes
> math.
>
>

> grDevices is a base package, so if you've got R, you've got it.
>
> Duncan Murdoch
>
>

ok thanks.

I originally thought this was the case and first tried:

> plot(areas~cell,ylab=expression("Areas (mu*m^2"))

but the text wasn't re-formatted so I thought plotmath must be a separate
function. How is it supposed to work?
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______________________________________________

[Dennis Murphy]

Hi:

Here's one way:

plot(1~1,ylab=expression("Areas ("~mu*m^2~")"))

The tildes incorporate space between the math and text elements; they're
optional, but useful. Another way that also works is

plot(1~1,ylab=expression(paste("Areas (", mu*m^2, ")", sep = ' ')))

HTH,
Dennis

[[alternative HTML version deleted]]

[Peter Ehlers]

On 2011-02-10 18:41, Dennis Murphy wrote:
> Hi:
>
> Here's one way:
>
> plot(1~1,ylab=expression("Areas ("~mu*m^2~")"))
>
> The tildes incorporate space between the math and text elements; they're
> optional, but useful. Another way that also works is
>
> plot(1~1,ylab=expression(paste("Areas (", mu*m^2, ")", sep = ' ')))

plot(1:5, type="n", axes=FALSE, ann=FALSE)
abline(v=3, col="lightgray")
text(3, 3.5, expression(
paste("Areas (", mu * m^2, ")", sep = " ")))
text(3, 3.0, expression(
paste("Areas (", mu * m^2, ")", sep = "xxxx")))
text(3, 2.5, expression(
paste("Areas (", mu * m^2, ")", "xxxx")))

Peter Ehlers

[Lizblip]

djmuseR wrote:
>
>
> Here's one way:
>
> plot(1~1,ylab=expression("Areas ("~mu*m^2~")"))
>
> The tildes incorporate space between the math and text elements; they're
> optional, but useful.
>
>

This worked, thanks!
Elizabeth

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