# Scatter Plot library(ggplot2) ggplt <- ggplot(Orange,aes(x=circumference,y=age))+ geom_point()+ theme_classic() ggplt # Plotting a single Regression Line ggplt+geom_smooth(method=lm,se=FALSE,fullrange=TRUE) R Copy输出这是一个单一的平滑线,或俗称为回归线。在这里,各点是结合在一起...
R print(p) # 或者保存到文件 # ggsave("multiple_lines_plot.png", p) 完整代码如下: R library(ggplot2) # 示例数据框 data <- data.frame( x = rep(1:10, 2), # x轴变量 y = c(rnorm(10), rnorm(10, mean = 2)), # y轴变量 group = rep(c("A", "B"), each = 10) #...
ggsave("plot2.pdf", width=4, height=4) ggplot(dat, aes(x=rating, fill=cond)) +geom_density(alpha=.3) dev.off() 12、字体设置 12.1、字体用法 dat <- data.frame( y = 1:3, text = c("This is text", "Text with\nmultiple lines", "Some more text") ) library(ggplot2) p <- ...
5. 分面:在一个图形中绘制多个图(Faceting: Draw multiple plots within one figure) 5.1 Facet Wrap 5.2 Facet Grid 6. 修改图背景,长轴和短轴(Modifying Plot Background, Major and Minor Axis) 6.1 如何更改绘图背景(How to Change P...
分面:在一个图形中绘制多个图(Faceting: Draw multiple plots within one figure) 修改图背景,长轴和短轴(Modifying Plot Background, Major and Minor Axis) 参考文档 http://r-statistics.co/Complete-Ggplot2-Tutorial-Part1-With-R-Code.html 让我们从midwest数据集中的人口相对于面积的散点图开始。点的颜色...
qplot()类似于R基本绘图函数plot(),可以快速绘制常见的几种图形:散点图、箱线图、 小提琴图、直方图以及密度曲线图。其绘图格式为: qplot(x, y=NULL, data, geom="auto") 1. 其中: x,y: 根据需要绘制的图形使用; data:数据集; geom:几何图形,变量x,y同时指定的话默认为散点图,只指定x的话默认为直方...
ggplot2是由Hadley Wickham创建的一个十分强大的可视化R包。按照ggplot2的绘图理念,Plot(图)= data(数据集)+ Aesthetics(美学映射)+ Geometry(几何对象): data: 数据集,主要是data frame; Aesthetics: 美学映射,比如将变量映射给x,y坐标轴,或者映射给颜色、大小、形状等图形属性; ...
It is also possible to append multiple line segments to a ggplot2 plot. For this, it makes sense to define all the parameters of our lines in a data frame object first: data_lines<-data.frame(x=2:4,# Create data for multiple segmentsy=c(4.5,5,2), ...
We already saw how the form of your data affects how you can plot it. Let's explore that further with multiple time series. Here, it's important that all lines are on the same scale, and if possible, on the same plot. fish.speciescontains the global capture rates of sevensalmonspecies...
geom_boxplot 修改主题 ggplot2提供了好几种主题,另外有一个扩展包ggthemes专门提供了一主题,可以安装利用。 install.packages("ggthemes") theme_gray: gray background color and white grid lines theme_bw : white background and gray grid lines p+theme_gray(base_size = 14) p+theme_bw theme_linedr...