[R] plot of Bernoulli data
Bill Simpson
wsi at gcal.ac.uk
Tue Oct 2 13:57:18 CEST 2001
> x<-sort(runif(100,1,20))
> p<-pnorm(x,10,3)
> y<-as.numeric(runif(x)<p)
> plot(x,y)
> lines(x,p)
df<-data.frame(x,y)
aggregate(df,list(x=(x<5),(x>5)&(x<10),(x>10) & (x<15),(x>15)), FUN=mean)
gives me what I want but if anyone has a better way to collect the
observations into bins I'd like to hear it. It would be nice to
pass along something like
breaks<-c(5,10,15,20)
Thanks
Bill Simpson
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