geom_point() +scale_color_gradient(low = "#f0cf61", high = "#371722") +scale_size_continuous(range = c(1, 4)) +theme_classic() + labs(x = "Sepal Length", y = "Sepal Width", title = "Iris Sepal") + theme(plot.title = element_text(size = 15, face = "bold", hjust = ...
scale_color_gradient(low = "#f0cf61", high = "#371722") + scale_size_continuous(range = c(1, 4)) + theme_classic() + labs(x = "Sepal Length", y = "Sepal Width", title = "Iris Sepal") + theme(plot.title = element_text(size = 15, face = "bold", hjust = 0.5), axis....
...在这里我们首先在aes()外使用shape指定使用21号形状(该点内部为空,可以使用颜色进行填充);通过alpha指定点的透明度; 再在aes()内部将drat映射给size;通过factor()将连续变量...,我们分别可以通过scale_x_continuous和scale_y_continuous来控制x轴和y轴; 通过breaks=seq()控制刻度范围,labels=c()设置...
p1 <- ggplot(df, aes(y, x)) + geom_point()+scale_x_continuous(labels = scales::percent,name="percent")p2 <- ggplot(df, aes(y, x)) + geom_point()+scale_x_continuous(labels = scales::dollar,name="dollar")grid.arrange(p1,p2,ncol=2) scales::percent、scales::dollar分别指定x轴...
color=Class,size=pvalue))+ geom_point()+ scale_size_continuous(range = c(1,10)) 1. 2. 3. 4. image.png 气泡图将透明度设置低一点可能会好看一点 ggplot(df,aes(x=ID,y=log2FC, color=Class,size=pvalue))+ geom_point(alpha=0.5)+ ...
▲scale_ +美学映射(color、size、shape、x、y等)+_continuous/discrete等 我们以scale_size_manual()为例,看一下scale修改图形大小映射关系时的情况: 主题scale_() 除了scale_*_*()函数族,另一个对图形细节更重要的函数就是theme()函数,它可以让我们近乎随心所欲地修改我们图片的外观细节,其实我们在上一讲中...
> scalexx <- scalex[grepl("scale_size.+", scalex)] > unique(gsub("(([^_]+_){2})(.+)","\\3",scalexx)) [1] "area" "binned" "binned_area" "continuous" "date" "datetime" "discrete" "identity" [9] "manual" "ordinal" ...
scale_aestheic_vartype()可以关闭指定变量的图例,其余保持不变 通过设置guide=FALSE 基于连续变量的点的大小的图例, 使用scale_size_continuous()函数 1 2 3 4 5 6 7 8 9 10 library(ggplot2) # Base Plot gg <-ggplot(midwest,aes(x=area, y=poptotal)) + ...
geom_point(aes(colour=class,size=displ),alpha=0.6,position = "jitter")+ stat_smooth()+ scale_size_continuous(range = c(4, 10))+ facet_wrap(~ year,ncol=1)+ ggtitle("汽车油耗与型号")+ labs(y='每加仑高速公路行驶距离', x='每加仑城市公路行驶距离')+ ...
p+scale_x_continuous(name="X name(distance = 3)",limits=c(0,40),breaks=breaks_width(3))->p3 p3 p/p1/p2/p3 ## 更改x坐标刻度的名称 p+scale_x_continuous(name="Currency",breaks=breaks_width(5),labels=label_number(prefix="USD "))...