[R] Need to study and learn about better plots

Mark Knecht markknecht at gmail.com
Thu Jul 2 17:26:53 CEST 2009


On 7/2/09, Steve Lianoglou <mailinglist.honeypot at gmail.com> wrote:
> Hi,
>
>  On Jul 2, 2009, at 10:39 AM, Mark Knecht wrote:
>
>
> > Hi,
> >  So far my plotting needs have been sort of ignored as I got
> > acquainted with R this week, but now that I have the basics in place
> > for the program I wanted to write  it's time for me to start learning
> > about how to make output that better suits my needs. I think I have
> > two sort of charts I need to concentrate on learning how to produce:
> >
> > 1) Probably a trivial request - a single chart that has multiple lines
> > on it in different colors. I might have 500 to 1000 lines, all
> > starting at 0,0 on the left  and proceeding to the right where they
> > end either above 0 or below 0. There will groups of colors depending
> > on the group they are part of. I'd like a legend on the right or
> > bottom that explains the colors. I should be able to add or remove
> > lines at any time.
> >
> > 2) The closest example of the second would be a multi-study chart sort
> > of like is typical in a lot of stock charting programs. Here's (I
> > hope) a simple example:
> >
> > http://stockcharts.com/h-sc/ui?s=BAC
> >
>
>  One thing you could do is to peruse the R Graph Gallery to see what people
> can do:
>
>  http://addictedtor.free.fr/graphiques/
>
>  In particular, the graph below looks *somehow* similar to the chart you
> link to.
>
> http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=109
>
>
> >  Keep in mind I've not used any command other than plot() and par()
> > so far. I *very* new to this. I started looking at ggplot2 last night.
> > I haven't looked at Lattice.
> >
>
>  You're looking in the right place. Here's a blog that someone is writing as
> they learn how to use ggplot2. His latest posts compare how to construct
> graphics from the lattice book " Lattice: Multivariate Data Visualization
> with R" using ggplot2:
>
>  http://learnr.wordpress.com/
>
>  That should be very useful.
>  Hope that helps,
>  -steve
>
>  --
>  Steve Lianoglou

What a great site! Thanks!

The chart you point out looks very helpful. It's unfortunate that the
download source link isn't functional right now, but I'll check that
out. If you can get source for the graphs you're interested in then
it's a great help.

Thanks!

Cheers,
Mark




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