y = rnorm(100), group = rep(letters[1:2], 50)) # 绘制散点图并添加椭圆形轮廓 ggplot(data, aes(x, y, fill = group)) + geom_point() + stat_ellipse(fill = "blue", level = 0.95) # 设置填充颜色为蓝色,置信度为0.95 在这个例子中,我们创建了一个示例数据集
EN常规气泡图的图例 示例数据就直接用内置的鸢尾花的数据集了 library(ggplot2) colnames(iris) ggplot(...
1. 什么是stat_ellipse? stat_ellipse 是ggplot2 包中的一个统计变换函数,用于在散点图上绘制椭圆。这些椭圆可以表示数据的置信区间或数据分布的密度区域。在二维空间中,stat_ellipse 通常用于表示数据点的分布范围,特别是在聚类分析或主成分分析(PCA)的结果展示中。 2. 置信区间的概念 置信区间是一种统计方法,用...
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置信区间的添加一般是添加95%置信度水平上的置信区间，这里使用stat_ellipse函数进行添加，这也是常用的一...
(colour = 'black',size = 12))+ stat_ellipse(#data=plotdata, #geom = "polygon", level=0.95, linetype = 2,size=0.7, aes(color=Group), alpha=0.8)+ coord_equal(ratio=0.9)ggsave(paste("results/dbRDA_Species01.pdf",".pdf", sep=""), p1, width=149 * 1.5, height=80 * 1.5, ...
ggplot(df, aes(x = nmds1, y = nmds2, color = Group)) + geom_point(alpha = 0.7, size = 3) + stat_ellipse(level = 0.68) + scale_color_manual(values = colors) + theme_bw(base_size = 15) + labs(x = paste0("NMDS1"), y = paste0("NMDS2") ) + theme( legend.position ...
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stats, boot, jmuOutlier, ellipse, hypergeo, gsl Suggests: BioStatR, ggplot2 Published: 2023-03-24 DOI: 10.32614/CRAN.package.ModStatR Author: Frederic Bertrand [cre, aut], Emmanuelle Claeys [aut], Myriam Maumy-Bertrand [aut] Maintainer: Frederic Bertrand <frederic.bertrand at utt.fr> BugRe...
library(ggplot2) ls(pattern = "^stat_", env = as.environment("package:ggplot2")) 重要例子: 5.1stat_summary 要求数据源的y能够被分组,每组不止一个元素, 或增加一个分组映射,即aes(x= , y = , group = ) stat_summary (mapping = NULL, data = NULL, geom = "pointrange", position = "id...