The following three lines will do what you want. You will probably
want to change some of the default behaviour; just look at the
relevant help pages.
plot(x,y)
text(x,y,ID)
grid(2)
On 21/01/07, gnv shqp [EMAIL PROTECTED] wrote:
Hi my friends,
I'm trying to make a scatterplot like this.
1) I have a 3-variable dataset. They are ID, x, and y.
2) x is for the X-axis, y for the Y-axis, and ID is used to label all
the cases in the scatterplot.
3) After creating the scatterplot, I need to add both a X-axis reference
line and a Y-axis reference line. The X-axis reference line is a vertical
line starting from the center of the X-axis. The Y-axis reference line is a
horizontal line starting from the center of the Y-axis. In other words, by
creating the two reference lines, the scatterplot is divided into 4
quadrants.
Please help me figure out how to do that in R.
Many thanks in advance!
Feng
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