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added 5 more exts
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Diff for: ‎ggalt.Rmd

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---
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title: "ggplot2 extensions: ggalt"
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---
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### ggalt
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<https://github.com/hrbrmstr/ggalt>
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A compendium of 'geoms', 'coords' and 'stats' for 'ggplot2', including splines, 1d and 2d densities, univariate average shifted histograms and a new map coordinate system based on the 'PROJ.4'-library..
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```{r, message=FALSE,warning=FALSE}
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# Example from https://github.com/hrbrmstr/ggalt
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library(ggplot2)
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library(gridExtra)
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library(ggalt)
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set.seed(1492)
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dat <- data.frame(x=c(1:10, 1:10, 1:10),
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y=c(sample(15:30, 10), 2*sample(15:30, 10), 3*sample(15:30, 10)),
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group=factor(c(rep(1, 10), rep(2, 10), rep(3, 10)))
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)
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ggplot(dat, aes(x, y, group=group, color=factor(group))) +
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geom_point(color="black") +
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geom_smooth(se=FALSE, linetype="dashed", size=0.5) +
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geom_xspline(spline_shape=-0.4, size=0.5)
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## Alternate 2D density plots
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ggplot(faithful, aes(x = eruptions, y = waiting)) +
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geom_point() +
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xlim(0.5, 6) +
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ylim(40, 110) +
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geom_bkde2d(bandwidth=c(0.5, 4))
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```

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<!DOCTYPE html>
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<title>ggplot2 extensions: ggalt</title>
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max-width: 940px;
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margin-left: auto;
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margin-right: auto;
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code {
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color: inherit;
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background-color: rgba(0, 0, 0, 0.04);
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}
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img {
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max-width:100%;
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height: auto;
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}
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</style>
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<div class="container-fluid main-container">
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<!--html_preserve-->
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<div class="header">
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<nav class="navbar">
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<h3 class="navbar-left"><strong>ggplot2</strong> extensions</h3>
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<ul class="nav nav-pills navbar-right">
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<li role="presentation" id="nav-home"><a href="index.html">Home</a></li>
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<li role="presentation" id="nav-showcase"><a href="ggiraph.html">Extensions</a></li>
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<li role="presentation" id="nav-github"><a href="https://github.com/ggplot2-exts/ggplot2-exts.github.io">GitHub</a></li>
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</ul>
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</nav>
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</div>
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<div class="showcase-header">
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<div id = "showcase-intro">
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ggplot2 now has an official extension mechanism. This means that others can now easily create their own stats, geoms and positions, and provide them in other packages. This should allow the ggplot2 community to flourish, even as less development work happens in ggplot2 itself. This page showcases these extensions.
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</div>
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<div class="container-fluid">
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<div class="row">
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<div class="col-sm-4">
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<div class="list-group">
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<a href="ggiraph.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggiraph</h5>
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<p class="list-group-item-text">Make ggplot interactive</p>
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</a>
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<a href="ggstance.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggstance</h5>
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<p class="list-group-item-text">Horizontal versions of ggplot2 geoms</p>
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</a>
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<a href="ggalt.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggalt</h5>
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<p class="list-group-item-text">Extra coordinate systems, geoms & stats</p>
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</a>
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<a href="ggforce.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggforce</h5>
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<p class="list-group-item-text">Accelarating ggplot2</p>
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</a>
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<a href="ggrepel.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggrepel</h5>
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<p class="list-group-item-text">Repel overlapping text labels</p>
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</a>
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<a href="ggraph.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggraph</h5>
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<p class="list-group-item-text">Plot graph-like data structures</p>
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</a>
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<a href="ggpmisc.html" class="list-group-item">
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<h5 class="list-group-item-heading">ggpmisc</h5>
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<p class="list-group-item-text">Miscellaneous extensions to ggplot2</p>
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</a>
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</div> <!-- list-group -->
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</div> <!-- col-sm-4 -->
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<div id="ggalt" class="col-sm-8">
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<h3>ggalt</h3>
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<p><a href="https://github.com/hrbrmstr/ggalt" class="uri">https://github.com/hrbrmstr/ggalt</a></p>
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<p>A compendium of ‘geoms’, ‘coords’ and ‘stats’ for ‘ggplot2’, including splines, 1d and 2d densities, univariate average shifted histograms and a new map coordinate system based on the ‘PROJ.4’-library..</p>
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<pre class="r"><code># Example from https://github.com/hrbrmstr/ggalt
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library(ggplot2)
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library(gridExtra)
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library(ggalt)
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set.seed(1492)
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dat &lt;- data.frame(x=c(1:10, 1:10, 1:10),
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y=c(sample(15:30, 10), 2*sample(15:30, 10), 3*sample(15:30, 10)),
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group=factor(c(rep(1, 10), rep(2, 10), rep(3, 10)))
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)
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ggplot(dat, aes(x, y, group=group, color=factor(group))) +
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geom_point(color=&quot;black&quot;) +
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geom_smooth(se=FALSE, linetype=&quot;dashed&quot;, size=0.5) +
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geom_xspline(spline_shape=-0.4, size=0.5)</code></pre>
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<p><img src="ggalt_files/figure-html/unnamed-chunk-1-1.png" title="" alt="" width="576" /></p>
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<pre class="r"><code>## Alternate 2D density plots
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ggplot(faithful, aes(x = eruptions, y = waiting)) +
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geom_point() +
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xlim(0.5, 6) +
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ylim(40, 110) +
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geom_bkde2d(bandwidth=c(0.5, 4))</code></pre>
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<p><img src="ggalt_files/figure-html/unnamed-chunk-1-2.png" title="" alt="" width="576" /></p>
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</div> <!-- col-sm-8 -->
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</div> <!-- row -->
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</div>
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</div> <!-- showcase-header -->
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</div> <!-- page-body -->
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<div>&nbsp;</div>
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<div>&nbsp;</div>
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<div class="text-muted">
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Design inspired by <a href="http://www.htmlwidgets.org/index.html" target="_blank">Ramnath Vaidyanathan, Kenton Russell, and RStudio, Inc</a>.
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</div>
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<div class="text-muted">
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Maintained by <a href="http://www.danielemaasit.com" target="_blank">Daniel Emaasit</a>.
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</div>
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<div class="text-muted">
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Copyright &copy; 2016 The R Community.
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</div>
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</footer>
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<script>
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// manage active state of headres and navigation based on current page
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$(document).ready(function () {
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// compute name of page
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href = window.location.pathname;
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href = href.substr(href.lastIndexOf('/') + 1);
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if (href == "")
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href = "index.html";
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// main navigation and headers
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if (href.startsWith("index")) {
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$('#nav-home').addClass('active');
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$('.title').addClass('hidden');
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} else if (href.startsWith("showcase")) {
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$('#nav-showcase').addClass('active');
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$("#page-body").detach().appendTo('#showcase-body');
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$('.showcase-header').removeClass('hidden');
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Diff for: ‎ggforce.Rmd

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---
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title: "ggplot2 extensions: ggforce"
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---
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### ggforce
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<https://github.com/thomasp85/ggforce>
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ggforce is aimed at providing missing functionality to ggplot2 through the extension system introduced with ggplot2 v2.0.0.
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```{r, message=FALSE,warning=FALSE}
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# Example from https://github.com/thomasp85/ggforce
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library(ggplot2)
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library(ggforce)
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# We'll start by defining some dummy data
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pie <- data.frame(
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state = c('eaten', 'eaten but said you didn\'t', 'cat took it',
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'for tonight', 'will decompose slowly'),
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focus = c(0.2, 0, 0, 0, 0),
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start = c(0, 1, 2, 3, 4),
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end = c(1, 2, 3, 4, 2*pi),
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amount = c(4,3, 1, 1.5, 6),
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stringsAsFactors = FALSE
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)
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p <- ggplot() + theme_no_axes() + coord_fixed()
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# For low level control you define the start and end angles yourself
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p + geom_arc_bar(aes(x0 = 0, y0 = 0, r0 = 0, r = 1, start = start, end = end,
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fill = state),
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data = pie)
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# Here are some data describing some circles
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circles <- data.frame(
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x0 = rep(1:3, 2),
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y0 = rep(1:2, each=3),
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r = seq(0.1, 1, length.out = 6)
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)
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ggplot() + geom_circle(aes(x0=x0, y0=y0, r=r, fill=r), data=circles)
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```

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