geom_bar(stat="identity", position=position_dodge()) +
geom_errorbar(aes(ymin=mean(data2[,4],na.rm=TRUE)-sd(data2[,4],na.rm=TRUE), ymax=mean(data2[,4],na.rm=TRUE)+sd(data2[,4],na.rm=TRUE)), width=.2, position=position_dodge(.9))
[img]file:///C:/Users/lizhi/AppData/Roaming/Tencent/Users/1285869846/TIM/WinTemp/RichOle/3CTON%25Q%60[Z7TH6~FK(9Y~DO.png[/img]为啥我的误差棒是这样的,有人知道咋改么

不是应该随不同组变化么 ?


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