Once your chart is done, annotating it is a crucial step to make it more insightful. This post will guide you through the best practices using R and ggplot2.
在上面的例子中,各种属性映射由ggplot函数执行,只需要加一个图层,使用geom_point()告诉ggplot要画散点,于是所有的属性都映射到散点上。 geom_point()完成的就是几何对象的映射,ggplot2提供了各种几何对象映射,如geom_histogram用于直方图,geom_bar用于画柱状图,geom_boxplot用于画箱式图等等。 不同的几何对象,要求的...
level: level of confidence interval to use. Default value is 0.95 Regression line To add a regression line on a scatter plot, the functiongeom_smooth()is used in combination with the argumentmethod = lm.lmstands for linear model. p <- ggplot(cars, aes(speed, dist)) + geom_point()# ...
ggplot2是R中新颖的数据可视化包,这得益于Leland Wilkinson在他的著作《The Grammar of Graphics》中提出了一套图形语法,把图形元素抽象成可以自由组合的成分,Hadley Wickham把这套想法在R中实现。 1. How to use qplot 函数qplot()是ggplot2中十分常用的函数,使用它可以绘制丰富多彩的图形,并且通常只需要一行代码可...
How to Label Outliers in Boxplots in ggplot2, This article offers a detailed illustration of how to name outliers in ggplot2 boxplots. Step 1: Construct the data frame. Create the following data frame first, which will include details on the 60 distinct basketball players who played for th...
6)Example 4: Using geom_venn() Function to Draw Venn Diagram 7)Video & Further Resources Let’s just jump right in! Basic Information about the ggvenn Package The ggvenn package, created byLinlin Yan, provides an easy-to-use way to draw venn diagrams using the typicalggplot2 syntaxand lay...
Note that, the functions scale_color_continuous() and scale_fill_continuous() can be used also to set gradient colors. Gradient between n colors # Scatter plot # Color points by the mpg variable sp3<-ggplot(mtcars, aes(x=wt, y=mpg, color=mpg)) + geom_point() sp3 # Gradient between...
As shown in Figure 3, we have plotted another version of our ggplot2 density graph. Each exponent of the scientific notation was reduced by 1.The notable point of this example is that we have used our own function to adjust the axis tick marks of our ggplot2 plot. This provides us ...
How to Make a Histogram with ggplot2 Now we can create the histogram. Regardless of the type of graph we are creating in ggplot2, we always start with the ggplot() function, which creates a canvas to add plot elements to. It takes two parameters. The first argument is a data frame....
nrow =2, labels ="A"# Label of the line plot) Use shared legend for combined ggplots To place a common unique legend in the margin of the arranged plots, the functionggarrange()[in ggpubr] can be used with the following arguments: ...