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Hao Zhuc859dba2018-10-03 18:05:55 -0400[diff] [blame]8 <title>Using kableExtra in Bookdown</title>
Hao Zhuc1450882018-10-03 17:56:26 -0400[diff] [blame]9 <meta name="description" content="This example provides documentations for using kableExtra to customize tables in bookdown projects.">
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Hao Zhub8098052018-10-08 16:57:43 -0400[diff] [blame^]28<meta name="date" content="2018-10-08">
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132<li class="chapter" data-level="1" data-path="index.html"><a href="index.html"><i class="fa fa-check"></i><b>1</b> Introduction</a></li>
133<li class="chapter" data-level="2" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html"><i class="fa fa-check"></i><b>2</b> Cross-format Tables in Bookdown</a><ul>
134<li class="chapter" data-level="2.1" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html#use-the-k-m-approach-instead-of-m-k"><i class="fa fa-check"></i><b>2.1</b> Use the “K-M” approach instead of “M-K”</a></li>
135<li class="chapter" data-level="2.2" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html#prepare-your-tables-for-both-formats"><i class="fa fa-check"></i><b>2.2</b> Prepare Your Tables for Both Formats</a></li>
136</ul></li>
137<li class="chapter" data-level="3" data-path="use-bootstrap-tables-in-gitbooks-epub.html"><a href="use-bootstrap-tables-in-gitbooks-epub.html"><i class="fa fa-check"></i><b>3</b> Use Bootstrap Tables in gitbooks &amp; epub</a><ul>
138<li class="chapter" data-level="3.1" data-path="use-bootstrap-tables-in-gitbooks-epub.html"><a href="use-bootstrap-tables-in-gitbooks-epub.html#gitbook"><i class="fa fa-check"></i><b>3.1</b> Gitbook</a></li>
139<li class="chapter" data-level="3.2" data-path="use-bootstrap-tables-in-gitbooks-epub.html"><a href="use-bootstrap-tables-in-gitbooks-epub.html#epub"><i class="fa fa-check"></i><b>3.2</b> Epub</a></li>
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149 <h1>
Hao Zhuc859dba2018-10-03 18:05:55 -0400[diff] [blame]150 <i class="fa fa-circle-o-notch fa-spin"></i><a href="./">Using kableExtra in Bookdown</a>
Hao Zhuc1450882018-10-03 17:56:26 -0400[diff] [blame]151 </h1>
152 </div>
153
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156
157 <section class="normal" id="section-">
158<div id="cross-format-tables-in-bookdown" class="section level1">
159<h1><span class="header-section-number">Chapter 2</span> Cross-format Tables in Bookdown</h1>
160<blockquote>
161<p>Note that if kableExtra 0.9.0 doesn’t support the EPUB format. If you need to output tables in <code>.epub</code>, please upgrade to the dev version or version 1.0 on CRAN once it’s released.</p>
162</blockquote>
163<div id="use-the-k-m-approach-instead-of-m-k" class="section level2">
164<h2><span class="header-section-number">2.1</span> Use the “K-M” approach instead of “M-K”</h2>
165<p>Please read this chapter about the “K-M”/“M-K” approaches in <code>bookdown</code>:
166<a href="https://bookdown.org/yihui/bookdown/new-session.html" class="uri">https://bookdown.org/yihui/bookdown/new-session.html</a></p>
167<p>To generate cross-format tables with <code>kableExtra</code> in a multi-format bookdown project, you will have to use the “M-K” approach by setting <code>new_session: true</code> in <code>_bookdown.yml</code>. Somehow the “M-K” approach, which merges chapters to a big Rmd and then renders, shares the global environment across formats. For now, I’m not sure if this is a bug or intended behavior. It might be fixable in the future but please don’t count on that. By setting <code>new_session: true</code>, we force R to use a new session for every chapter for different formats. In this way, tables are generated differently in different formats.</p>
168<p>Note that the “M-K” approach is slower than the “K-M” approach. At the same time, packages and data are not shared accross chapter.</p>
169<pre><code># Example _bookdown.yml
170book_filename: &quot;bookdown_example&quot;
171delete_merged_file: true
172new_session: true
173language:
174 ui:
175 chapter_name: &quot;Chapter &quot;</code></pre>
176</div>
177<div id="prepare-your-tables-for-both-formats" class="section level2">
178<h2><span class="header-section-number">2.2</span> Prepare Your Tables for Both Formats</h2>
179<p>In most cases, functions in <code>kable</code> and <code>kableExtra</code> use the same API to accomplish the same styling task in HTML and LaTeX. However, you also need some format specific settings so your tables will look good in both formats. Some common items here include the <code>booktabs</code> and <code>longtable</code> settings in <code>kable</code> and the <code>bootstrap_options</code> and <code>latex_options</code> in <code>kable_styling</code>.</p>
180<p>Here is an example for a table that will work in both HTML and LaTeX.</p>
181<pre class="sourceCode r"><code class="sourceCode r"><span class="kw">library</span>(kableExtra)
Hao Zhub8098052018-10-08 16:57:43 -0400[diff] [blame^]182<span class="kw">options</span>(<span class="dt">kableExtra.html.bsTable =</span> T)
Hao Zhuc1450882018-10-03 17:56:26 -0400[diff] [blame]183mtcars[<span class="dv">1</span><span class="op">:</span><span class="dv">5</span>, <span class="dv">1</span><span class="op">:</span><span class="dv">5</span>] <span class="op">%&gt;%</span>
184<span class="st"> </span><span class="kw">kable</span>(<span class="dt">booktabs =</span> T) <span class="op">%&gt;%</span><span class="st"> </span>
185<span class="st"> </span><span class="kw">kable_styling</span>(
186 <span class="dt">latex_options =</span> <span class="kw">c</span>(<span class="st">&quot;striped&quot;</span>),
187 <span class="dt">full_width =</span> F
188 ) <span class="op">%&gt;%</span>
189<span class="st"> </span><span class="kw">column_spec</span>(<span class="dv">1</span>, <span class="dt">bold =</span> T) <span class="op">%&gt;%</span>
190<span class="st"> </span><span class="kw">add_header_above</span>(<span class="kw">c</span>(<span class="st">&quot; &quot;</span>, <span class="st">&quot;Group A&quot;</span> =<span class="st"> </span><span class="dv">2</span>, <span class="st">&quot;Group B&quot;</span> =<span class="st"> </span><span class="dv">3</span>))</code></pre>
191<table class="table" style="width: auto !important; margin-left: auto; margin-right: auto;">
192<thead>
193<tr>
194<th style="border-bottom:hidden" colspan="1">
195</th>
196<th style="border-bottom:hidden; padding-bottom:0; padding-left:3px;padding-right:3px;text-align: center; " colspan="2">
197<div style="border-bottom: 1px solid #ddd; padding-bottom: 5px; ">
198Group A
199</div>
200</th>
201<th style="border-bottom:hidden; padding-bottom:0; padding-left:3px;padding-right:3px;text-align: center; " colspan="3">
202<div style="border-bottom: 1px solid #ddd; padding-bottom: 5px; ">
203Group B
204</div>
205</th>
206</tr>
207<tr>
208<th style="text-align:left;">
209</th>
210<th style="text-align:right;">
211mpg
212</th>
213<th style="text-align:right;">
214cyl
215</th>
216<th style="text-align:right;">
217disp
218</th>
219<th style="text-align:right;">
220hp
221</th>
222<th style="text-align:right;">
223drat
224</th>
225</tr>
226</thead>
227<tbody>
228<tr>
229<td style="text-align:left;font-weight: bold;">
230Mazda RX4
231</td>
232<td style="text-align:right;">
23321.0
234</td>
235<td style="text-align:right;">
2366
237</td>
238<td style="text-align:right;">
239160
240</td>
241<td style="text-align:right;">
242110
243</td>
244<td style="text-align:right;">
2453.90
246</td>
247</tr>
248<tr>
249<td style="text-align:left;font-weight: bold;">
250Mazda RX4 Wag
251</td>
252<td style="text-align:right;">
25321.0
254</td>
255<td style="text-align:right;">
2566
257</td>
258<td style="text-align:right;">
259160
260</td>
261<td style="text-align:right;">
262110
263</td>
264<td style="text-align:right;">
2653.90
266</td>
267</tr>
268<tr>
269<td style="text-align:left;font-weight: bold;">
270Datsun 710
271</td>
272<td style="text-align:right;">
27322.8
274</td>
275<td style="text-align:right;">
2764
277</td>
278<td style="text-align:right;">
279108
280</td>
281<td style="text-align:right;">
28293
283</td>
284<td style="text-align:right;">
2853.85
286</td>
287</tr>
288<tr>
289<td style="text-align:left;font-weight: bold;">
290Hornet 4 Drive
291</td>
292<td style="text-align:right;">
29321.4
294</td>
295<td style="text-align:right;">
2966
297</td>
298<td style="text-align:right;">
299258
300</td>
301<td style="text-align:right;">
302110
303</td>
304<td style="text-align:right;">
3053.08
306</td>
307</tr>
308<tr>
309<td style="text-align:left;font-weight: bold;">
310Hornet Sportabout
311</td>
312<td style="text-align:right;">
31318.7
314</td>
315<td style="text-align:right;">
3168
317</td>
318<td style="text-align:right;">
319360
320</td>
321<td style="text-align:right;">
322175
323</td>
324<td style="text-align:right;">
3253.15
326</td>
327</tr>
328</tbody>
329</table>
330
331</div>
332</div>
333 </section>
334
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