[英]Plot a step (piecewise constant) function in R
Suppose you have the following sample dataset:假设您有以下示例数据集:
rm(list=ls()); set.seed(1)
start<-c(0:4); stop<-c(1:5); Response<- round(10*runif(5) )
Dat<-data.frame(start,stop,Response)
Dat
start stop Response
1 0 1 3
2 1 2 4
3 2 3 6
4 3 4 9
5 4 5 2
The start/stop is the x-axis.开始/停止是 x 轴。 How can I make a plot in R such that between a certain start and stop the y axis takes the constant value in response.
如何在 R 中制作 plot 以便在某个开始和停止之间 y 轴采用恒定值作为响应。 ie from time 0 to 1 the y-axis takes the value 3, ... ,from time 4 to 5 the y-axis takes the value 2.
即从时间 0 到 1,y 轴取值 3,...,从时间 4 到 5,y 轴取值 2。
Are either of these what you're looking for?这些都是你要找的吗?
library(ggplot2)
Dat %>%
ggplot(aes(start, Response)) +
geom_step()
Dat %>%
ggplot() +
geom_segment(aes(x = start, xend = stop, y = Response, yend = Response))
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