我有一个条形图:
p <- ggplot(data=df, aes(x=Gene, y=FC, fill=expt, group=expt))
p <- p + geom_bar(colour="black", stat="identity", position = position_dodge(width = 0.9))
p <- p + geom_errorbar(aes(ymax = FC + se, ymin = FC, group=expt),
position = position_dodge(width = 0.9), width = 0.25)
p
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我想增加条之间的间距(对于每个bin).我已经尝试过乱搞position_dodge(width = ...)但是它会使我的误差条偏斜:

还有其他一些与此相关的问题:

即它似乎增加了箱之间,但代价是与相邻的酒吧重叠
pic*_*ick 12
您也可以调整宽度position_dodge(in geom_bar)以外的宽度,
ggplot(data=df, aes(x=Gene, y=FC, fill=expt, group=expt)) +
geom_bar(colour="black", stat="identity", position = position_dodge(width = 0.8), width=0.5) +
geom_errorbar(aes(ymax = FC + se, ymin = FC, group=expt),
position = position_dodge(width = 0.8), width = 0.25)
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要么
dodge <- position_dodge(width = 0.5)
ggplot(data=df, aes(x=Gene, y=FC, fill=expt, group=expt)) +
geom_bar(colour="black", stat="identity", position=dodge, width=0.5) +
geom_errorbar(aes(ymax = FC + se, ymin = FC, group=expt),
position = dodge, width = 0.25)
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