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POR plot: how to make a histogram with horizontal lines using plot()
 

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  1. POR plot: how to make a histogram with horizontal lines using plot()
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    <p>How can I use <code>plot</code> to turn this plot sideways so the histogram bars are horizontal?</p> <pre><code>size&lt;- abs(rnorm(20,10,10)) age&lt;-c(seq(1, 20, by=2)) plot(size~age, type=("n")); lines(size~age, type=c("l"), lines(size~age, type=c("h"))) </code></pre> <p><img src="https://i.stack.imgur.com/EckXI.png" alt="enter image description here"></p> <p>What I want is roughly something like this, with the histogram lines horizontal:</p> <p><img src="https://i.stack.imgur.com/Vc0Nh.png" alt="enter image description here"></p> <p>which I did with </p> <pre><code>plot(size~age, type=("n"), yaxt="n", xaxt="n", ylab=""); lines(size~age, type=c("l"), lines(size~age, type=c("h"))); axis(4); axis(1,las=2) </code></pre> <p>and then rotating the image output in other software. </p> <p>I'd like to know how I can use the <code>plot</code> function to get the output plot sideways so I can make groups of them in <code>R</code> without having to rotate them outside of <code>R</code>. </p> <p><strong>UPDATE</strong> Thanks to the very helpful suggestion from @csgillespie I've got this, which has got me on my way:</p> <pre><code>size&lt;- abs(rnorm(20,10,10)) age&lt;-c(seq(1, 40, by=2)) # sorry for the typo in the first set of example data above plot(-age~size, type="n",yaxt="n", ylab="Age", xlab="Size") lines(-age~size) segments(0, -age, size, -age) axis(2, labels=c(seq(0,max(age), by=5)), at=-c(seq(0,max(age), by=5)), las=1) # this is a more general approach to labelling the axis ticks </code></pre> <p>and here's resulting plot (not pretty yet, but I think I can do the rest from here):</p> <p><img src="https://i.stack.imgur.com/6isNJ.png" alt="enter image description here"></p>
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    1. COFurther comments you may find here: http://stackoverflow.com/questions/3792803/is-it-possible-to-rotate-a-plot-in-r-base-graphics
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      1. POR plot: how to make a histogram with horizontal lines using plot()
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