R语言可视化绘制基本图形

Posted 2021-09-06 Data+Science+Insight

R语言可视化绘制基本图形

简单条形图；

堆叠条形图分组条形图；

均值条形图与条形图的微调；

spinogram图

饼图、直方图、密度图、箱图、小提琴图、线图、散点图；

# Listing 6.1 - Simple bar plot
# vertical barplot

par(ask=TRUE)
opar <- par(no.readonly=TRUE) # save original parameter settings

library(vcd)
counts <- table(Arthritis$Improved)
counts

barplot(counts, 
        main="Simple Bar Plot",
        xlab="Improvement", ylab="Frequency")

# horizontal bar plot   
barplot(counts, 
        main="Horizontal Bar Plot", 
        xlab="Frequency", ylab="Improvement", 
        horiz=TRUE)

# Listing 6.2 - Stacked and grouped bar plots 
# stacked barplot
# obtain 2-way frequency table
library(vcd)
counts <- table(Arthritis$Improved, Arthritis$Tr