# Create example datarm(list=ls())set.seed(87)x<-rnorm(250)y<-rnorm(250)+2*x data<-data.frame(x,y)# Print first rows of datahead(data)# Install & load ggplot2library("ggplot2")# Create basic ggplot# and Add regression lineggp<-ggplot(data,aes(x,y))+geom_point()ggp ggp+sta...
# Load the ggplot2 package library(ggplot2) # Create a scatterplot ggplot(mtcars, aes(x = wt, y = mpg)) + geom_point() # Add a regression line ggplot(mtcars, aes(x = wt, y = mpg)) + geom_point() + geom_smooth(method = "lm", color = "red", linetype = "dashed", size...
https://stackoverflow.com/questions/7549694/add-regression-line-equation-and-r2-on-graph 首先是模拟一份数据集 代码语言:javascript 复制 df<-data.frame(x = c(1:100)) df$y <- 2 + 3 * df$x + rnorm(100, sd = 40) head(df) ggplot2基本的散点图并添加拟合曲线 代码语言:javascript 复制...
#Add regression line conf.int = TRUE, #Add confidence interval color = "cyl", palette = "jco",#Color by group cyl shape = "cyl" #Change point shape by groups cyl )+ stat_cor(aes(color=cyl), label.x = 3) #Add correlation coefficientsp ...
geom_smooth(method=lm, # Add linear regression line se=FALSE) # Don't add shaded confidence region 4.3、散点图添加置信区间区域 ggplot(dat, aes(x=xvar, y=yvar)) + geom_point(shape=1) + # Use hollow circles geom_smooth(method=lm) # Add linear regression line ...
#Scatter plots(sp)sp <- ggscatter(mtcars, x="wt", y="mpg", add = "reg.line", #Add regression line conf.int = TRUE, #Add confidence interval color = "cyl", palette = "jco",#Color by group cyl shape = "cyl" #Change point shape by groups cyl )+ stat_cor(aes(color=cyl), ...
ggparsort.val="asc",# Sort the value in ascending ordersort.by.groups=TRUE,# Sort inside each groupx.text.angle=90# Rotate vertically x axis texts)bp+font("x.text",size=8)# Scatter plots (sp)sp<-ggscatter(mtcars,x="wt",y="mpg",add="reg.line",# Add regression lineconf.int=...
add = "reg.line", # Add regression line conf.int = TRUE, # Add confidence interval color = "cyl", palette = "jco", # Color by groups "cyl" shape = "cyl" # Change point shape by groups "cyl" )+ stat_cor(aes(color = cyl), label.x = 3) # Add correlation coefficient Scatter...
Add straight lines to a plot: horizontal, vertical and regression lines ggplot2:添加直线(水平,垂直)和回归线 本教程介绍如何向使用R软件和ggplot2软件包生成的图形添加一条或多条直线。 根据代码运行如下: 1. 水平和垂直线 rm(list=ls())library(ggplot2)# Simple scatter plotsp<-ggplot(data=mtcars,aes...
# loess method: local regression fitting p3 <- ggscatter(df, x = "wt", y = "mpg", add = "loess", conf.int = TRUE, cor.coef = TRUE, # Add correlation coefficient. see ?stat_cor cor.coeff.args = list(method = "spearma...