[R] hist{graphics}

[Steven]

Never mind. Thanks.

I found that adding parameter right=F to the call fixes it.

On 2019/7/12 下午 05:10, Steven wrote:
> # Can someone help with this simple frequency histogram problem (n = 15)?
> # I use four class limits: [90,95], [95,100], [100,105], [105,110].
> # These coincide with the limits obtain by pretty {base}.
> # Proper frequencies would be: (1,5,6,3).
> # But hist{graphics} gives me a histogram showing frequencies (1,8,3,3),
> # with or without argument break = ...
> # Replicable codes below. Thanks.
>
> set.seed(123)
> x<-rnorm(15,mean=100,sd=5); x<-as.integer(x)
> x<-sort(x)
> x
> breaks<-seq(90,110,by=5); breaks
> pretty(x,n=5) # pretty {base}
> x.cut<-cut(x,breaks,right=F) ; x.cut
> freq<-table(x.cut); cbind(freq)
> hist(x,breaks=breaks) # hist {graphics}
> hist(x)
>
>
>