Deploying to gh-pages from @ gnoblet/visualizeR@a791074dde 🚀

2025-07-02 11:15:40 +00:00 · 2025-07-02 11:15:40 +00:00 · 794898a5d0
commit 794898a5d0
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+++ b/articles/bar_charts.html
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+<div class="row">
+  <main id="main" class="col-md-9"><div class="page-header">
+      <img src="../logo.png" class="logo" alt=""><h1>Bar charts</h1>
+            
+      
+      <small class="dont-index">Source: <a href="https://github.com/gnoblet/visualizeR/blob/main/vignettes/bar_charts.Rmd" class="external-link"><code>vignettes/bar_charts.Rmd</code></a></small>
+      <div class="d-none name"><code>bar_charts.Rmd</code></div>
+    </div>
+
+    
+    
+<p>Let’s start by importing some data and running some data
+wrangling:</p>
+<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
+<code class="sourceCode R"><span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://gesistsa.github.io/rio/" class="external-link">rio</a></span><span class="op">)</span></span>
+<span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://r-datatable.com" class="external-link">data.table</a></span><span class="op">)</span></span>
+<span><span class="va">dat</span> <span class="op">&lt;-</span> <span class="fu"><a href="http://gesistsa.github.io/rio/reference/import.html" class="external-link">import</a></span><span class="op">(</span><span class="st">"https://raw.githubusercontent.com/holtzy/data_to_viz/master/Example_dataset/11_SevCatOneNumNestedOneObsPerGroup.csv"</span>, data.table <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span>
+<span><span class="fu"><a href="https://rdatatable.gitlab.io/data.table/reference/setDT.html" class="external-link">setDT</a></span><span class="op">(</span><span class="va">dat</span><span class="op">)</span></span>
+<span></span>
+<span><span class="co"># in all character columns, tranform empty string to NA</span></span>
+<span><span class="va">vars_chr</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/colnames.html" class="external-link">colnames</a></span><span class="op">(</span><span class="va">dat</span><span class="op">)</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/lapply.html" class="external-link">sapply</a></span><span class="op">(</span><span class="va">dat</span>, <span class="va">is.character</span><span class="op">)</span><span class="op">]</span></span>
+<span><span class="va">dat</span><span class="op">[</span>, <span class="op">(</span><span class="va">vars_chr</span><span class="op">)</span> <span class="op">:=</span> <span class="fu"><a href="https://rdrr.io/r/base/lapply.html" class="external-link">lapply</a></span><span class="op">(</span><span class="va">.SD</span>, <span class="kw">function</span><span class="op">(</span><span class="va">x</span><span class="op">)</span> <span class="fu"><a href="https://rdatatable.gitlab.io/data.table/reference/fifelse.html" class="external-link">fifelse</a></span><span class="op">(</span><span class="va">x</span> <span class="op">==</span> <span class="st">""</span>, <span class="cn">NA_character_</span>, <span class="va">x</span><span class="op">)</span><span class="op">)</span>, .SDcols <span class="op">=</span> <span class="va">vars_chr</span><span class="op">]</span></span>
+<span></span>
+<span><span class="co"># in value, if -1 replace with NA</span></span>
+<span><span class="va">dat</span><span class="op">[</span>, <span class="va">value</span> <span class="op">:=</span> <span class="fu"><a href="https://rdatatable.gitlab.io/data.table/reference/fifelse.html" class="external-link">fifelse</a></span><span class="op">(</span><span class="va">value</span> <span class="op">==</span> <span class="op">-</span><span class="fl">1</span>, <span class="cn">NA_real_</span>, <span class="va">value</span><span class="op">)</span><span class="op">]</span></span>
+<span></span>
+<span><span class="co"># remove lines where value is NA (in place)</span></span>
+<span><span class="va">dat</span> <span class="op">&lt;-</span> <span class="va">dat</span><span class="op">[</span><span class="op">!</span><span class="fu"><a href="https://rdrr.io/r/base/NA.html" class="external-link">is.na</a></span><span class="op">(</span><span class="va">value</span><span class="op">)</span>, <span class="op">]</span></span>
+<span></span>
+<span><span class="co"># kepp only top 20 values and divide data to get million units</span></span>
+<span><span class="va">df</span> <span class="op">&lt;-</span> <span class="va">dat</span><span class="op">[</span></span>
+<span>  <span class="op">!</span><span class="fu"><a href="https://rdrr.io/r/base/NA.html" class="external-link">is.na</a></span><span class="op">(</span><span class="va">value</span><span class="op">)</span>, <span class="op">]</span><span class="op">[</span></span>
+<span>  <span class="fu"><a href="https://rdrr.io/r/base/order.html" class="external-link">order</a></span><span class="op">(</span><span class="va">value</span>, decreasing <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span>, <span class="op">]</span><span class="op">[</span></span>
+<span>  <span class="fl">1</span><span class="op">:</span><span class="fl">20</span>, <span class="op">]</span><span class="op">[</span></span>
+<span>  , <span class="va">value</span> <span class="op">:=</span> <span class="va">value</span><span class="op">/</span><span class="fl">1000000</span>, <span class="op">]</span><span class="op">[</span></span>
+<span>  , <span class="va">key</span> <span class="op">:=</span> <span class="fu"><a href="https://rdrr.io/r/base/ifelse.html" class="external-link">ifelse</a></span><span class="op">(</span><span class="va">key</span> <span class="op">==</span> <span class="st">"Democratic Republic of the Congo"</span>, <span class="st">"DRC"</span>, <span class="va">key</span><span class="op">)</span><span class="op">]</span></span></code></pre></div>
+<p>Now, let’s see the defaults for a horizontal bar diagram without any
+grouping and ordering values from highest to smallest:</p>
+<div class="sourceCode" id="cb2"><pre class="downlit sourceCode r">
+<code class="sourceCode R"><span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://github.com/gnoblet/visualizeR" class="external-link">visualizeR</a></span><span class="op">)</span></span>
+<span><span class="co">#&gt; </span></span>
+<span><span class="co">#&gt; Attaching package: 'visualizeR'</span></span>
+<span><span class="co">#&gt; The following object is masked from 'package:data.table':</span></span>
+<span><span class="co">#&gt; </span></span>
+<span><span class="co">#&gt;     %notin%</span></span>
+<span><span class="co">#&gt; The following object is masked from 'package:grDevices':</span></span>
+<span><span class="co">#&gt; </span></span>
+<span><span class="co">#&gt;     palette</span></span>
+<span></span>
+<span><span class="fu"><a href="../reference/bar.html">hbar</a></span><span class="op">(</span></span>
+<span>  <span class="va">df</span>,</span>
+<span>  x <span class="op">=</span> <span class="st">"key"</span>,</span>
+<span>  y <span class="op">=</span> <span class="st">"value"</span>,</span>
+<span>  facet <span class="op">=</span> <span class="st">"region"</span>,</span>
+<span>  order <span class="op">=</span> <span class="st">"y"</span>,</span>
+<span>  title <span class="op">=</span> <span class="st">"Top 20 countries by population (in Million)"</span></span>
+<span><span class="op">)</span></span></code></pre></div>
+<p><img src="bar_charts_files/figure-html/hbar-1.png" width="700"></p>
+<p>Moving on to a vertical bar chart, with country facets and groups</p>
+  </main>
+</div>
+
+
+
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