R语言中绘图如何去除X轴、Y轴、或者同时去除X轴和Y轴

1、测试

> par(mfrow=c(2,2))
> plot(1:10, main = "001")      
> plot(1:10, main = "002", xaxt = "n")    ## 去除x轴
> plot(1:10, main = "003", yaxt = "n")    ## 去除y轴
> plot(1:10, main = "004", axes = F)      ## 同时去除x轴和y轴