(2) Create a scatter plot: 绘制散点图 p <- ggplot(df, aes(wt, mpg)) + geom_point(color = 'red') + theme_classic(base_size = 10) #(3) Add text labels: 添加文本标签 # Add text annotations using ggplot2::geom_text p1 <- p + geom_text(aes(label = rownames(df)), size =...
# librarylibrary(ggplot2)# Keep 30 first rows in the mtcars natively available datasetdata=head(mtcars,30)# 1/ add text with geom_text, use nudge to nudge the textggplot(data,aes(x=wt,y=mpg))+geom_point()+# Show dotsgeom_label(label=rownames(data),nudge_x =0.25,nudge_y =0.25,ch...
由于图和轴标题是文本组成部分,因此element_text()可用于对其进行修改。在下面,我更改了大小,颜色,面和线高。可以通过更改来旋转轴文本angle。 library(ggplot2)# Base Plot 基础绘图gg<-ggplot(midwest,aes(x=area,y=poptotal))+geom_point(aes(col=state,size=popdensity))+geom_smooth(method="loess",se=...
image.png 今天用ggplot2作图y轴的标题想实现上图红框里的形式,查了一下如何实现 记录一下代码 首先是构造一份数据集 df<-data.frame(x=1,y=1) R语言ggplot2...散点图并添加文本 library(extrafont) fonts() library(ggplot2) ggplot(data=df,aes(x=x,y=y))+ geom_text(label=...Roman", fon...
df1<-read_csv("fig4b1.csv")df1$Genus<-factor(df1$Genus,levels=readLines("fig4b1_levels.txt"))fig4b1face<-ifelse(str_starts(readLines("fig4b1_levels.txt"),"m|CL|Ca"),"plain","italic")p1<-ggplot(df1,aes(Amplicon,Genus))+geom_tile(aes(fill=Abundance))+geom_text(aes(label=round(Ab...
Text annotations using geom_text and geom_label library(ggplot2)# Simple scatter plotsp<-ggplot(df,aes(wt,mpg,label=rownames(df)))+geom_point()# Add textssp+geom_text()# Change the size of the textssp+geom_text(size=6)# Change vertical and horizontal adjustementsp+geom_text(hjust=0...
width和height设置绝对尺寸的大小,可以精确控制尺寸 分辨率dpi默认值300,你可以修改为600。 添加标签 library(ggrepel) add_label <- pca[which(pca$pca1 == -0.0074042),] p +geom_label_repel(data = add_label,aes(x=add_label$pca1, y=add_label$pca2, label="Sp"))...
首先生成一个textGrob对象 label<-textGrob("Label",x=unit(1,"npc")-unit(5,"mm"),y=unit(1,"npc")-unit(5,"mm"),just=c("right","top")) 先简单的画一画 grid.rect()grid.draw(label) 他就这么静静的出现在你的figure里。接下来,将label添加到你的figure中,有两种方式: ...
01 ggplot2概述 ggplot2是R语言最流行的画图包，基于图层化语法的思想设计和创建美观优雅的图形。ggplot2...
# Add text at a particular coordinate sp + geom_text(x = 3, y = 30, label = "Scatter plot", color="red") 1. 2. 3. # geom_label()进行注释 sp + geom_label(aes(label=rownames(df))) 1. 2. # annotation_custom(),需要用到textGrob() library(grid) # Create a text grob <-...