[R] Exporting Graphs

[Sharpie]

Karthik wrote:
> 
> Hello Tal,
> This is the code.
> 
> ------------------------
>> hist(rnorm(100))
>> jpeg("histogram.jpeg")
> -----------------------
> 
> Even when I decrease the quality, I still have the same problem.
> 
> ----------------------------
>> hist(rnorm(100))
>> jpeg("histogram.jpeg",quality=30)
> ----------------------------
> 
> Thank you for taking a look.
> Karthik
> 

Hi Karthic,

You have things a little mixed around there-- use plotting commands after
you open an output device.  Like so:

  jpeg( "histogram.jpeg" )
  hist( rnorm(100) )

And when you're done, don't forget to call dev.off().  As you mentioned that
you are a beginner, I would strongly suggest flipping through the
"Introduction to R" manual.  A copy can be accessed online at:

  http://cran.r-project.org/doc/manuals/R-intro.html

Section 12 provides a good overview of graphics in R.

Good luck!

-Charlie
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