Thanks, Deepayan,
I actually want to have a picture like the Figure 5.9 in "Mixed-Effects
Models in S and S-PLUS", which have a separate panel for each function and
has the function name been printed in strip.
Thanks
On Tue, Jul 22, 2008 at 1:08 PM, Deepayan Sarkar <[EMAIL PROTECTED]>
wrote:
> On 7/21/08, John Smith <[EMAIL PROTECTED]> wrote:
> > Dear R Users:
> >
> > I have a list function as:
> > Flat: y = 0
> > Linear: y = -(1.65/8)d
> > Logistic: y = 0.015 - 1.73/{1+exp[1.2(4-d)]}
> > Umbrella: y= -(1.65/3)d + (1.65/36)d^2
> > Emax: y = -1.81d/(0.79+d)
> > Sigmoid Emax: y = -1.70d^5/(4^5+d^5)
> >
> > And want draw the figure as attached (those material are extracted from
> a
> > paper). Could anyone give me a sample code to do this?
>
> The attachment didn't come through, but here's one approach (with
> three of your functions):
>
> linear <- function(d) -(1.65/8) * d
> logistic <- function(d) 0.015 - 1.73 / (1 + exp(1.2 * (4-d)))
> umbrella <- function(d) -(1.65/3) * d + (1.65 / 36) * d^2
>
> xyplot(linear(d) + logistic(d) + umbrella(d) ~ d,
> data = list(d = seq(-5, 5, length = 101)),
> type = "l",
> auto.key = list(lines = TRUE, points = FALSE))
>
> -Deepayan
>
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