如何在R中绘制直方图? [英] How to plot histogram in R?

问题描述

我正在使用R，我想绘制一个直方图，其中x-axis是车辆数量，y-axis是时间间隔. 像这样:

I am using R and I would like to plot a histogram where x-axis is the number of vehicles and y-axis is the time interval. Something like:

推荐答案

我想您需要一个barplot:

I guess you need a barplot:

x <- data.frame(n_vehicles = c(10, 20, 30, 40),
                time_interval = c(2, 5, 4, 9))
barplot(height = x$time_interval,
        names.arg = x$n_vehicles)

或者:

plot(x = x$n_vehicles,
     y = x$time_interval,
     type = "h")

"h"代表直方图".

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