[R] qqplot for binomial distribution

[Spencer Graves]

On 2017-04-17 7:58 AM, Ashim Kapoor wrote:
> Dear All,
>
> set.seed(123)
> qqplot(rbinom(n=100,size=100,p=.05), rbinom(n=100,size=100,p=.05) )
>
> I expect to see 1 clear line,but I don't. What am I misunderstanding?


       The distribution is discrete, and points are superimposed. Try 
the following:


set.seed(123)
qqplot(jitter(rbinom(n=100,size=100,p=.05)),
        jitter(rbinom(n=100,size=100,p=.05) ))


       Spencer Graves
>
> Best Regards,
> Ashim
>
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.