Re: [R] print to .jpeg

[Luke Miller]

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 <mille...@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 <
> btcaldw...@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]]
>>
>> ______________________________________________
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>> PLEASE do read the posting guide
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>>
>
>
>
> --
> ___________________________
> 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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