[R] Drawing a circle on an existing graph.

2011-03-12 Thread Allan Kamau
I would like to draw a circle on a graph I am plotting in R and use the current plot's coordinate system. The most basic functionality I am looking for is the ability to plot a circle on an already existing graph by simply providing the xy coordinates for it's centre and the radius. I am also look

Re: [R] Drawing a circle on an existing graph.

2011-03-12 Thread Allan Kamau
> --- On Sat, 3/12/11, Allan Kamau wrote: > >> From: Allan Kamau >> Subject: [R] Drawing a circle on an existing graph. >> To: r-help@r-project.org >> Received: Saturday, March 12, 2011, 3:08 AM >> I would like to draw a circle on a >> graph I am p

Re: [R] Drawing a circle on an existing graph.

2011-03-12 Thread Allan Kamau
On Sat, Mar 12, 2011 at 10:22 PM, David Winsemius wrote: > > On Mar 12, 2011, at 10:56 AM, Allan Kamau wrote: > >>> --- On Sat, 3/12/11, Allan Kamau wrote: >>> >>>> From: Allan Kamau >>>> Subject: [R] Drawing a circle on an existing graph. &g

Re: [R] Does R have a "const object"?

2011-03-16 Thread Allan Kamau
On Wed, Mar 16, 2011 at 6:47 AM, Thomas Lumley wrote: > Actually, you can do this using locked bindings.  Look at ?lockBinding > > Locked bindings are how namespaces get const function definitions, and > active bindings (on the same help page) are how R CMD check notices > that you are using T and

Re: [R] MySql Versus R

2011-04-01 Thread Allan Kamau
On Fri, Apr 1, 2011 at 1:46 PM, Henri Mone wrote: > Dear R Users, > > I use for my data crunching a combination of MySQL and GNU R. I have > to handle huge/ middle seized data which is stored in a MySql > database, R executes a SQL command to fetch the data and does the > plotting with the build i