[R] smooth the ecdf plots

[Berton Gunter]

Better idea: Compare directly. ?qqplot

-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
 
"The business of the statistician is to catalyze the scientific learning
process."  - George E. P. Box
 
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Linda Lei
> Sent: Thursday, April 20, 2006 10:08 AM
> To: r-help at stat.math.ethz.ch
> Subject: [R] smooth the ecdf plots
> 
> Hi All,
> 
>  
> 
> I have codes as follows to get the ecdf plots:
> 
>  
> 
>  >
> day.hos2<-c(6,4,6,6,4,6,5,4,7,5,6,6,8,6,17,9,8,4,6,3,5,8,7,12,
> 5,10,6,4,6
> ,13,7,6,6,25,4,9,96,6,6,6,6,9,4,5,5,4,10,5,7,6)
> 
>  
> 
>  >
> day.hos3<-c(5,6,7,6,4,5,6,6,6,6,19,7,5,9,8,8,7,5,6,20,40,5,8,7
> ,7,5,6,13,
> 11,9,4,6,9,16,6,7,6)
> 
>  
> 
>  > f<-ecdf(day.hos2)
> 
>  
> 
>  > plot(f,col.p='red',col.h='red')
> 
>  
> 
>  > g<-ecdf(day.hos3)
> 
>  
> 
> > lines(g,lty=2)
> 
>  
> 
> But in order to compare the two ecdf plots. I want to smooth the ecdf
> plot, make it like a continuous distribution curve. Could you please
> 
> help me with it? I try to find some arguments in "plot" but not
> successful.
> 
>  
> 
> Thank you!
> 
> 
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> 
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