问题描述
我正在用 ggplot 做一个绘图,我想在其中显示垂直误差条(错误仅在 y 值上),所以我编写的代码是这样的:
ggplot(data = H2ORateTau,aes(x=Tau,y=Rate)) +
geom_point(col="red",size=1.5)+
geom_smooth(method="lm",se=TRUE,linetype="dashed") +
labs(title=expression("R"["2obs"]*""~vs~tau^2),y=expression(paste("R"["2obs"]*"(ms"^"-1"*")")),x=expression(paste(tau^2,(ms^2)))) +
geom_errorbar(data = H2ORateTau,mapping=aes(x=Tau,ymin=Rate-Error,ymax=Rate+Error),width=0.4,colour="black",alpha=0.9,size=0.5)+
theme_bw()+
theme(plot.title= element_text(hjust=0.5))
但我得到的图似乎在 x 值上带有误差线。为什么会发生这种奇怪的事情?
这里是数据:
H2ORateTau <- structure(list(Rate = c(0.0125,0.0217,0.0435,0.0892,0.1639,0.3571),Tau = c(0.000625,0.001225,0.0025,0.005625,0.01,0.030625),Error = c(0.002,0.013,0.009,0.074,0.143)),class = "data.frame",row.names = c(NA,-6L))
解决方法
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