On Jul 2, 2009, at 11:26 AM, Mark Knecht wrote:
On 7/2/09, Steve Lianoglou <mailinglist.honey...@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!
You may be choosing the wrong rl. Try the one under the R icon:
http://addictedtor.free.fr/graphiques/sources/source_109.R
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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