On Nov 20, 2009, at 10:52 AM, gcheer3 wrote:
Thank you again, Joh
Based on your code seems I solved the problem.
new code as follows:
cs<-expression(delta[1], delta[2])
plot(sigma, delta1, ylim=range(-0.5, 2), xlab='sigma', ylab='delta',
pch=22,
type='o')
points(sigma, delta2, col='red', axes=FALSE, type='o')
legend("topleft", cs, pch = c(21, 22), lty=1, col=2:1)
only concern is there is a waring message in R: Warning message:
In plot.xy(xy.coords(x, y), type = type, ...) :
"axes" is not a graphical parameter
You should not be specifying axis types or flags to a function,
[ points() in this case] that is not intended to do anything with the
axes. To be Biblical: If thine warning offend thee, pluck it[the
argument] out.
--
David
gcheer3 wrote:
a graph question. Thanks a lot in advance.
I made two scatterplots on one graph (sigma vs. delta1, sigma vs.
delta2)
(20 observations of delta1, delta2 and corresponding sigma) the x-
axis is
sigma, the y-axis is either delta1 or delta2. I connected both
scatterplots. To seperate them, one curves is a line with circles,
the
other curve is a line with squares on it.
I want to make a notation either on the y-axis or on the graph. The
notiaion is "delta1--square; delta2--circle". So when people look
at the
graph, they can easily tell each curve's meaning. The curve with
squares
on it means the sigma vs. delta1, and the curve with circles on it
means
sigma vs. delta2. I think I can use 'expression' to write delta1,
delta2
and sigma in greek letters, but I am not sure how to denote the
square and
cirle I graphed.
--
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