频率分布折线图与总体密度曲线

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R语言举例

> x = c(29.6, 28.2, 19.6, 13.7, 13.0, 7.8, 3.4, 2.0, 1.9, 1.0, 0.7, 0.4, 0.4, 0.3, 0.3, 0.3, 0.3, 0.3, 0.2, 0.2, 0.2, 0.1, 0.1, 0.1, 0.1, 0.1)
> a = hist(x,breaks=seq(-3,3,by=0.5))
> lines( c(min(a$breaks), a$mids, max(a$breaks)), c(0,a$counts,0), type='l' )
posted @ 2016-08-14 13:49  ParamousGIS  阅读(2153)  评论(0)  编辑  收藏  举报