Re: [R] print to .jpeg

From: Benjamin Caldwell <btcaldwell_at_berkeley.edu>
Date: Tue, 12 Apr 2011 21:16:41 -0700

Luke,

Just caught that myself. Thanks for the help, did the trick!

*Ben Caldwell*

On Tue, Apr 12, 2011 at 7:03 PM, Luke Miller <millerlp_at_gmail.com> wrote:

> And of course I need to close the parentheses completely on jpeg().
> Apologies for the double post.
>
> jpeg(paste(species.name, '.jpg', sep = ''))
>
>
> On Tue, Apr 12, 2011 at 10:02 PM, Luke Miller <millerlp_at_gmail.com> wrote:
>
>> How about using paste() inside the jpeg() function to append a '.jpg' to
>> the end of your species name?
>> See the change below. I also added a dev.off() to close the newly created
>> jpeg.
>>
>>
>> species.name="CussoniaHolstii"
>> dia<-10:100
>> biomass = -21.4863 + 0.5797 * (dia ^ 2)
>> biomass
>> jpeg(paste(species.name, '.jpg', sep = ''))
>>
>> plot (biomass, main=species.name, xlab="dbh in cm", ylab="biomass in kg")
>> dev.off()
>>
>>
>> On Tue, Apr 12, 2011 at 9:54 PM, Benjamin Caldwell <
>> btcaldwell_at_berkeley.edu> wrote:
>>
>>> Evening folks,
>>>
>>> I'm trying to print a series of graphs to .jpeg using a variable as the
>>> title, but run into the difficultly that I can't find a way to append the
>>> file extension to the .jpeg (in this case extensionless!) files.
>>>
>>> Example:
>>> ----
>>> species.name="CussoniaHolstii"
>>> dia<-10:100
>>> biomass = -21.4863 + 0.5797 * (dia ^ 2)
>>> biomass
>>> jpeg(species.name)
>>> plot (biomass, main=species.name, xlab="dbh in cm", ylab="biomass in
>>> kg")
>>> -----
>>> The output is CussoniaHolstii, but I want CussoniaHolstii.jpg. The help
>>> file
>>> for jpeg() specifies that the name include the extension (e.g.
>>> jpeg("CussoniaHolstii.jpg") but then I'd have to input the file name each
>>> time.
>>>
>>> Any help or workaround much appreciated.
>>> *
>>> *
>>> *Ben Caldwell*
>>>
>>> [[alternative HTML version deleted]]
>>>
>>> ______________________________________________
>>> 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.
>>>
>>
>>
>>
>> --
>> ___________________________
>> Luke Miller
>> Postdoctoral Researcher
>> Marine Science Center
>> Northeastern University
>> Nahant, MA
>> (781) 581-7370 x318
>>
>>
>>
>
>
> --
> ___________________________
> Luke Miller
> Postdoctoral Researcher
> Marine Science Center
> Northeastern University
> Nahant, MA
> (781) 581-7370 x318
>
>
>

        [[alternative HTML version deleted]]



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