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  1. PO
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    <p>I'm doing a bit of guessing about what you want, exactly, as I'm not sure what you were attempting with <code>geom_segment</code>, whether that was part of your data, or an attempt to create an arrow. But you can build on <code>geom_segment</code> to get something like what you describe:</p> <pre><code>#Your test data, with a small typo repaired dd &lt;- data.frame(x = c("A","B","C","D","E","F","G","H","I"), y = c(1.782,0.136,0.978,0.645,0.518,1.474,0.855,0.673,0.369)) dd &lt;- transform(dd, ylo = c(0.719,0.046,0.945,0.295,0.188,0.577,0.407,0.310,0.145), yhi = c(4.420,0.398,1.012,1.411,1.424,3.768,1.798,1.460,0.940)) #Create a separate data frame for the arrow labels arrowLab &lt;- data.frame(lab = c("Increasing","Decreasing"), x = c(0.15,0.15),y = c(10^0.25,10^(-0.25))) ggplot(data = dd, aes(x=ordered(x, levels=rev(x)), y=y)) + geom_pointrange(aes(ymin=ylo, ymax=yhi)) + geom_segment(aes(x = 0, xend = 0, y= 1, yend= 2), arrow=arrow(length=unit(0.2,"cm"))) + geom_segment(aes(x = 0, xend = 0, y= 1, yend= 10^(-0.25)), arrow=arrow(length=unit(0.2,"cm"))) + geom_text(data = arrowLab,aes(x=x,y=y,label = lab),size = 3) + coord_flip() + geom_hline(aes(yintercept=1), lty=2) + scale_y_log10() </code></pre> <p><img src="https://i.stack.imgur.com/lLBTL.png" alt="enter image description here"></p> <p>Note that I hard-coded much of the positioning, so you'll likely want to tinker with those values to get what you want, or you could try to choose them programmatically based on your data.</p>
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    1. POR & ggplot2: How to get arrows under the axis label?
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    1. USjoran
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      1. VTUpMod
    1. COThanks for your help! That gets me a big step closer to what I need. My intention was to plot these two arrows under the "y". But maybe this is enough.
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      1. USMarc
    2. CO@Marc - Drawing stuff outside the plotting region is technically possible, but complicated, requiring that you mess around with the `grid` package and viewports. I often tell people that for unusual custom annotations like this its often faster/easier to just modify the image after the fact in an image editor like Illustrator, or something.
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