On Fri, 30 May 2008, Frank E Harrell Jr wrote:
Prof Brian Ripley wrote:
On Fri, 30 May 2008, Patrizio Frederic wrote:
Thanks for the solution. But I wish someone would tell us why the
solution
makes sense. If you have changed your R environment in any way from the
defaults please let us kn
Prof Brian Ripley wrote:
On Fri, 30 May 2008, Patrizio Frederic wrote:
Thanks for the solution. But I wish someone would tell us why the
solution
makes sense. If you have changed your R environment in any way from the
defaults please let us know.
Frank
--
Frank E Harrell Jr Professor and
On Fri, 30 May 2008, Patrizio Frederic wrote:
Thanks for the solution. But I wish someone would tell us why the solution
makes sense. If you have changed your R environment in any way from the
defaults please let us know.
Frank
--
Frank E Harrell Jr Professor and Chair School of
Patrizio Frederic wrote:
Thanks for the solution. But I wish someone would tell us why the solution
makes sense. If you have changed your R environment in any way from the
defaults please let us know.
Frank
--
Frank E Harrell Jr Professor and Chair School of Medicine
> Thanks for the solution. But I wish someone would tell us why the solution
> makes sense. If you have changed your R environment in any way from the
> defaults please let us know.
>
> Frank
>
> --
> Frank E Harrell Jr Professor and Chair School of Medicine
> Depa
Patrizio Frederic wrote:
2008/5/29 Frank E Harrell Jr <[EMAIL PROTECTED]>:
Patrizio Frederic wrote:
dear Harrell,
thank you for quick reply and suggestions. I still have the problem:
library(Design)
x = rnorm(100)
y = runif(100)<(exp(x)/(1+exp(x)))
y = 0*y+1*y
d = datadist(x,y)
options
2008/5/29 Frank E Harrell Jr <[EMAIL PROTECTED]>:
> Patrizio Frederic wrote:
>>
>> dear Harrell,
>> thank you for quick reply and suggestions. I still have the problem:
>>
>> library(Design)
>> x = rnorm(100)
>> y = runif(100)<(exp(x)/(1+exp(x)))
>> y = 0*y+1*y
>> d = datadist(x,y)
>> optio
Patrizio Frederic wrote:
dear Harrell,
thank you for quick reply and suggestions. I still have the problem:
library(Design)
x = rnorm(100)
y = runif(100)<(exp(x)/(1+exp(x)))
y = 0*y+1*y
d = datadist(x,y)
options(datadist="d")
fit = lrm(y~x)
# works fine, but
plot(fit) #produce the error
dear Harrell,
thank you for quick reply and suggestions. I still have the problem:
library(Design)
x = rnorm(100)
y = runif(100)<(exp(x)/(1+exp(x)))
y = 0*y+1*y
d = datadist(x,y)
options(datadist="d")
fit = lrm(y~x)
# works fine, but
plot(fit) #produce the error message
Error in value.chk
Patrizio Frederic wrote:
Dear R-helpers,
I'm having a problem in using plot.design in Design Library. Tho
following example code produce the error:
n <- 1000# define sample size
set.seed(17) # so can reproduce the results
age<- rnorm(n, 50, 10)
blood.pressure <- rnorm(n, 120, 15
Dear R-helpers,
I'm having a problem in using plot.design in Design Library. Tho
following example code produce the error:
> n <- 1000# define sample size
> set.seed(17) # so can reproduce the results
> age<- rnorm(n, 50, 10)
> blood.pressure <- rnorm(n, 120, 15)
> cholesterol<
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