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<!DOCTYPE html>
<html>
<head>
<title>Introduction to R markdown</title>
<meta charset="utf-8">
<meta name="description" content="Introduction to R markdown">
<meta name="author" content="Wush Wu, Johnson Hsieh, George Chao, Noah Chen">
<meta name="generator" content="slidify" />
<meta name="apple-mobile-web-app-capable" content="yes">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<link rel="stylesheet" href="libraries/frameworks/io2012/css/default.css" media="all" >
<link rel="stylesheet" href="libraries/frameworks/io2012/css/phone.css"
media="only screen and (max-device-width: 480px)" >
<link rel="stylesheet" href="libraries/frameworks/io2012/css/slidify.css" >
<link rel="stylesheet" href="libraries/highlighters/highlight.js/css/tomorrow.css" />
<base target="_blank"> <!-- This amazingness opens all links in a new tab. --> <link rel=stylesheet href="./assets/css/custom-v0.1.css"></link>
<link rel=stylesheet href="./assets/css/front_cover-v0.1.css"></link>
<link rel=stylesheet href="./assets/css/ribbons.css"></link>
<!-- Grab CDN jQuery, fall back to local if offline -->
<script src="assets/js/jquery-1.7.min.js"></script>
<script>window.jQuery || document.write('<script src="libraries/widgets/quiz/js/jquery.js"><\/script>')</script>
<script data-main="libraries/frameworks/io2012/js/slides"
src="libraries/frameworks/io2012/js/require-1.0.8.min.js">
</script>
</head>
<body style="opacity: 0">
<slides class="layout-widescreen">
<!-- LOGO SLIDE -->
<slide class="title-slide segue nobackground">
<hgroup class="auto-fadein">
<h1>Introduction to R markdown</h1>
<h2>Dynamic documents for R</h2>
<p>Wush Wu, Johnson Hsieh, George Chao, Noah Chen<br/></p>
</hgroup>
<article></article>
</slide>
<!-- SLIDES -->
<slide class="" id="slide-1" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>What does data analyst do</h2>
</hgroup>
<article data-timings="">
<p><center>
<img src='assets/img/analyst.png' style='max-width: 67%;max-height: 67%'></img><br>
<small><a href="http://goo.gl/52THNf">http://goo.gl/52THNf</a></small>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-2" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>What does data analyst actually do</h2>
</hgroup>
<article data-timings="">
<p><center>
<img src='assets/img/ResearchPipeline.png' style='max-width: 84%;max-height: 84%'></img><br>
<small><a href="https://www.coursera.org/course/repdata">https://www.coursera.org/course/repdata</a></small>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-3" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Why you need R Markdown</h2>
</hgroup>
<article data-timings="">
<div style='float:left;width:48%;' class='centered'>
<p><center></p>
<ul>
<li><strong>資料分析</strong>做不完<br><br></li>
<li><strong>說明文件</strong>沒空寫<br><br></li>
<li><strong>教授</strong>要求換方法<br><br></li>
<li><strong>老闆</strong>說要改流程<br><br></li>
<li><strong>客戶</strong>要我做做看<br><br></li>
<li>年度報告要總結<br><br>
</center></li>
</ul>
</div>
<div style='float:right;width:48%;' class='centered'>
<p><center>
<img src='assets/img/one1.jpg' style='max-width: 180%;max-height: 180%'></img><br>
.....<br>
<small><a href="http://goo.gl/gK6p">http://goo.gl/gK6p</a></small><br>
</center> </p>
</div>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-4" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Why you need R Markdown</h2>
</hgroup>
<article data-timings="">
<p><center> <img src='assets/img/zikannai2.png' style='max-width: 100%;max-height: 100%'></img><br>
<small><a href="http://goo.gl/YiJrlI">http://goo.gl/YiJrlI</a></small>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-5" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>What is R Markdown</h2>
</hgroup>
<article data-timings="">
<p>A convenient tool to generate reproducible document. </p>
<ul>
<li><a href="http://daringfireball.net/projects/markdown/basics">Markdown</a>
<ul>
<li>Lightweight markup language</li>
<li>Remove HTML tag for higher readibility.</li>
<li>Inline HTML is avaliable.</li>
</ul></li>
<li>R markdown
<ul>
<li>Markdown + embedded R code chunks</li>
<li>(.Rmd) -> (.md) -> (.html, .docx, .pdf)</li>
</ul></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-6" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Why R Markdown</h2>
</hgroup>
<article data-timings="">
<ul>
<li>製作reproducible的報告、投影片: <code>document</code> 、 <code>slides</code></li>
<li>想寫數學式子好展現自己的專業 \(e=mc^2\): <code>mathjax</code></li>
<li>只有一份source code，不需要額外複製圖片到報告中: <code>.rmd</code></li>
<li>需求更改時，可以動態改變報告內容: <code>integrated shiny</code></li>
<li>增加資料分析演算法的可讀性: <code>code and text</code></li>
<li>HTML的報告和投影片的格式方便瀏覽: <code>html</code></li>
<li>IDE? RStudio提供支援: <code>Knit Button</code></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-7" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Installation</h2>
</hgroup>
<article data-timings="">
<ul>
<li>最新版的RStudio已經包含R Markdown功能<br></li>
<li>你也可以透過以下指令安裝R Markdown套件：<br></li>
</ul>
<pre><code class="r">install.packages("rmarkdown")
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="segue dark" id="slide-8" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>R Markdown 快速導覽</h2>
</hgroup>
<article data-timings="">
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-9" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Overview</h2>
</hgroup>
<article data-timings="">
<p><center>
<img src='assets/img/RmdOverview.png' style='max-width: 77%;max-height: 77%'></img>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-10" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Markdown</h2>
</hgroup>
<article data-timings="">
<p><center>
<img src='assets/img/markdownOverview.png' style='max-width: 200%;max-height: 200%'></img><br>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-11" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>R Code Chunks</h2>
</hgroup>
<article data-timings="">
<p><center>
<img src='assets/img/markdownChunk.png' style='max-width: 70%;max-height: 70%'></img><br>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-12" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Inline R Code</h2>
</hgroup>
<article data-timings="">
<ul>
<li>利用 `r` 在markdown中插入R程式<br></li>
</ul>
<pre><code>- 這是DSP推出的第 `ｒ 3+1`門課程
</code></pre>
<ul>
<li>這是DSP推出的第 4門課程<br></li>
</ul>
<pre><code>- 鳶尾花資料集(iris dataset)有 `ｒ levels(iris$Species)` 等種類，
總共有 `ｒ length(levels(iris$Species))` 種
</code></pre>
<ul>
<li>鳶尾花資料集(iris dataset)有 setosa, versicolor, virginica 等種類，<br>
總共有 3 種</li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-13" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Inline R Equations</h2>
</hgroup>
<article data-timings="">
<ul>
<li>插入 LaTeX 公式的方法：<br>
<ul>
<li>行內<code>$ equation $</code><br></li>
<li>段落 <code>$$ equation $$</code></li>
</ul></li>
</ul>
<pre><code>熵指標的公式為 $-\sum{p_i \log{p_i}}$ ，表示系統的亂度
</code></pre>
<p>熵指標的公式為 \(-\sum{p_i \log{p_i}}\) ，表示系統的亂度 </p>
<pre><code>請計算高斯分佈 $$f(x;\mu,\sigma^2) = \frac{1}{\sigma\sqrt{2\pi}}
e^{ -\frac{1}{2}\left(\frac{x-\mu}{\sigma}\right)^2 }$$
</code></pre>
<p>請計算高斯分佈 \[f(x;\mu,\sigma^2) = \frac{1}{\sigma\sqrt{2\pi}} e^{ -\frac{1}{2}\left(\frac{x-\mu}{\sigma}\right)^2 }\]</p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-14" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Rendering Output</h2>
</hgroup>
<article data-timings="">
<ul>
<li><p>RStudio: "Knit" command: </p>
<ul>
<li>(Win:Ctrl+Shift+K / OSX:Command+Shirt+K)<br>
<br><br></li>
</ul></li>
<li><p>Command line: rmarkdown::render function </p></li>
</ul>
<pre><code class="r">rmarkdown::render("input.Rmd")
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="segue dark" id="slide-15" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Markdown Basics</h2>
</hgroup>
<article data-timings="">
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-16" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Markdown Quick Reference</h2>
</hgroup>
<article data-timings="">
<p>在RStudio中，在UI界面中點選<code>help (?)</code>可以查閱Markdown語法<br>
<center>
<img src='assets/img/MdRef.png' style='max-width: 75%;max-height: 75%'></img><br>
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="segue dark" id="slide-17" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>R Code Chunks</h2>
</hgroup>
<article data-timings="">
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-18" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Overview</h2>
</hgroup>
<article data-timings="">
<p>R code will be evaluated and printed</p>
<pre class="markdown"><code>```{r}
summary(cars$dist)
```
</code></pre>
<pre><code class="r">summary(cars$dist)
</code></pre>
<pre><code> Min. 1st Qu. Median Mean 3rd Qu. Max.
2.00 26.00 36.00 42.98 56.00 120.00
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-19" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Overview (cont.)</h2>
</hgroup>
<article data-timings="">
<p>draw graphics</p>
<pre class="markdown"><code>```{r}
plot(women)
```
</code></pre>
<pre><code class="r">plot(women)
</code></pre>
<p><img src="assets/fig/plot1-1.png" alt="plot of chunk plot1"> </p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-20" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Named R code chunk.</h2>
</hgroup>
<article data-timings="">
<pre class="markdown"><code>```{r plot}
summary(cars)
plot(cars)
```
</code></pre>
<ul>
<li><p>Easy Navigation in RStudio </p>
<p><img src="assets/img/chunk_name.png" alt="chunk name"></p></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-21" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Basic Chunk Options</h2>
</hgroup>
<article data-timings="">
<ul>
<li><code>echo</code>(TRUE): whether to include R source code in the output file<br></li>
<li><code>eval</code>(TRUE): whether to evaluate the code chunk<br></li>
<li><code>message</code>(TRUE): whether to preserve messages emitted by message()<br></li>
<li><code>results</code>('hide','asis'): hide output ; asis treats the output of your R code as literal Markdown (when using like kable function)<br>
<br></li>
<li><code>include</code>(TRUE): whether to be written into the output document, but the code is still evaluated and plot files are generated<br></li>
<li><code>warning</code>(TRUE): whether to preserve warnings in the output </li>
<li><code>comment</code>("##"): set to comment notation </li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-22" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Basic Chunk Options (cont.)</h2>
</hgroup>
<article data-timings="">
<p>Set global chunk options at code chunks header:</p>
<pre><code class="r">knitr::opts_chunk$set(echo=FALSE, results='hide')
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-23" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise：</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。<a href="https://dspim.github.io/A1-basic-data-analysis/RMD-example/RmdExAns.html">範例</a> </p>
<ul>
<li><a href="http://www.cwb.gov.tw/V7/forecast/taiwan/Taipei_City.htm">原始出處</a><br></li>
<li><a href="https://github.com/dspim/a1-basic-data-analysis-course/blob/master/RmdExQue.Rmd">參考範本</a><br></li>
<li><a href="https://github.com/dspim/a1-basic-data-analysis-course/blob/master/data/weather-utf8.csv">範例資料</a><br></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-24" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise: Original：</h2>
</hgroup>
<article data-timings="">
<p><center><img src="assets/img/forecast_tpe1.png" height="500" width="800"></center> </p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-25" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise: After：</h2>
</hgroup>
<article data-timings="">
<p><center><img src="assets/img/exam_q1.png" height="500" width="800"></center> </p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-26" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise Q1</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>計算01/28日當日的最高溫與最低溫度</li>
</ul>
<pre><code class="r"># Hint：
# 1. 下載weather-utf8.csv到自己的電腦上
# 2. 在R chunk中，利用read.csv()讀取檔案進行分析
# Windows: read.csv(,fileEncoding="UTF-8")
# 3. 找出01/28當日最高溫 max()
# 4. 找出01/28當日最低溫 min()
# 5. use inline R chunk `r max(...)`
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-27" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise A1</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>計算01/28日當日的最高溫與最低溫度</li>
</ul>
<pre><code class="r"># Hint for Linu& Mac：
dat <- read.csv("data/weather-utf8.csv")
max(dat[1:2, 4:5])
min(dat[1:2, 4:5])
# 預測高溫約`r max(dat[1:2,4:5])`度，低溫約`r min(dat[1:2,4:5])`度
</code></pre>
<pre><code class="r"># Hint for Windows：
dat <- read.csv("data/weather-utf8.csv", fileEncoding="UTF-8")
max(dat[1:2, 4:5])
min(dat[1:2, 4:5])
# 預測高溫約`r max(dat[1:2,4:5])`度，低溫約`r min(dat[1:2,4:5])`度
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-28" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Table Output</h2>
</hgroup>
<article data-timings="">
<ul>
<li>Print data directly:<br></li>
</ul>
<pre><code class="r">print(head(women))
</code></pre>
<pre><code> height weight
1 58 115
2 59 117
3 60 120
4 61 123
5 62 126
6 63 129
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-29" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Table Output (cont.)</h2>
</hgroup>
<article data-timings="">
<ul>
<li>Using <code>knitr::kable</code> :<br>
<ul>
<li>Set <code>results='asis'</code> to write raw results from R into the output document<br>
<pre class="markdown"><code>```{r, results='asis'}
knitr::kable(women)
```
</code></pre></li>
</ul></li>
</ul>
<table><thead>
<tr>
<th align="right">height</th>
<th align="right">weight</th>
</tr>
</thead><tbody>
<tr>
<td align="right">58</td>
<td align="right">115</td>
</tr>
<tr>
<td align="right">59</td>
<td align="right">117</td>
</tr>
<tr>
<td align="right">60</td>
<td align="right">120</td>
</tr>
<tr>
<td align="right">61</td>
<td align="right">123</td>
</tr>
<tr>
<td align="right">62</td>
<td align="right">126</td>
</tr>
<tr>
<td align="right">63</td>
<td align="right">129</td>
</tr>
</tbody></table>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-30" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise Q2</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>製作未來七天天氣預報表</li>
</ul>
<pre><code class="r"># Hint：
# 你可能需要dplyr套件
# 可以先用filter把白天、晚上分開處理
# 利用 paste(低溫,高溫,sep="-") 來製作溫度區間, i.e. 16-17
# 利用colnames, rownames來對整理好的資料表的行與列命名
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-31" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise A2</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>製作未來七天天氣預報表</li>
</ul>
<pre><code class="r">library(dplyr)
day1 <- filter(dat, 早晚=="白天")
day2 <- mutate(day1, 溫度=paste(高溫,低溫,sep="-"))
day3 <- select(day2, 天氣, 溫度)
night1 <- filter(dat, 早晚=="晚上")
night2 <- mutate(night1, 溫度=paste(高溫,低溫,sep="-"))
night3 <- select(night2, 天氣, 溫度)
out <- data.frame(t(bind_cols(day3, night3)))
colnames(out) <- day1$日期
rownames(out) <- c("白天天氣","白天溫度","晚上天氣","晚上溫度")
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-32" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise A2 (conti.)</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>製作未來七天天氣預報表</li>
</ul>
<pre class="prettyprint lang-r"><code>```{r results='asis', echo=FALSE}
knitr::kable(out)
```</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-33" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise Q3</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>製作未來七天天氣預報圖</li>
</ul>
<pre><code class="r"># Hint：
# 你可能需要ggplot2套件
# Mac顯示中文需設置字型
# http://equation85.github.io/blog/graph-font-of-r-in-mac-os-x/
# par(family='STHeiti')
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-34" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise A3</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li>製作未來七天天氣預報圖</li>
</ul>
<pre><code class="r">library(ggplot2);library(reshape2)
dat1 <- mutate(dat, 時間=paste(日期,早晚,sep="\n"))
dat2 <- select(dat1, 時間, 高溫, 低溫)
colnames(dat2)[1] <- "時間" # for Windows user
dat3 <- melt(dat2)
g <- ggplot(dat3, aes(x=時間, y=value, group=variable, colour=variable)) +
geom_line() +
labs(x="時間", y="溫度")
</code></pre>
<pre><code class="r"># 顯示中文字 Mac user only
g + theme_gray(base_family="STHeiti")
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-35" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Exercise</h2>
</hgroup>
<article data-timings="">
<p>利用R Markdown 製作《一周天氣預報》書面報告。</p>
<ul>
<li><a href="http://www.cwb.gov.tw/V7/forecast/taiwan/Taipei_City.htm">原始出處</a></li>
<li><a href="https://github.com/dspim/a1-basic-data-analysis-course/blob/master/RmdExQue.Rmd">參考範本</a></li>
<li><a href="https://github.com/dspim/a1-basic-data-analysis-course/blob/master/data/weather-utf8.csv">範例資料</a></li>
<li><a href="https://github.com/dspim/a1-basic-data-analysis-course/blob/master/RmdExAns.Rmd">參考解答</a></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="segue dark" id="slide-36" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Appendiex</h2>
</hgroup>
<article data-timings="">
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-37" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>About Document Content</h2>
</hgroup>
<article data-timings="">
<p>You can add R Markdown and HTML in the YAML content.</p>
<pre class="prettyprint lang-yaml"><code>
---
title: "Introduction to R Markdown"
author: "Wush Wu, Johnson Hsieh, George Chao, Noah Chen"
date: "2016-01-11"
output: html_document
---
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-38" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>YAML metadata</h2>
</hgroup>
<article data-timings="">
<p><center>
<img src='assets/img/Cover.png' style='max-width: 80%;max-height: 80%'></img><br>
Cover by Wush
</center></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-39" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Some Useful HTML</h2>
</hgroup>
<article data-timings="">
<ul>
<li><p><a href="http://www.w3schools.com/tags/tag_iframe.asp">iframe</a>: displaying a web page within a web page </p>
<pre><code class="html"><iframe src="http://dsp.im/" height=600 width=800></iframe>
</code></pre></li>
<li><p><a href="http://www.w3schools.com/tags/tag_img.asp">img</a>: inserting images into an HTML document. Much easier for adjusting width and height. </p>
<pre><code class="html"><img src="assets/img/dsp-logo.png" alt="logo">
</code></pre>
<p><img src="assets/img/dsp-logo.png" alt="logo"></p></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-40" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Interactive Documents</h2>
</hgroup>
<article data-timings="">
<p>It’s possible to embed a Shiny application within a document.</p>
<div style='float:left;width:48%;' class='centered'>
<p><img src='assets/img/shiny-cars-table.gif' style='max-width: 100%;max-height: 100%'></img> </p>
</div>
<div style='float:right;width:48%;' class='centered'>
<p><img src='assets/img/shiny-hist-plot.gif' style='max-width: 100%;max-height: 100%'></img> </p>
</div>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-41" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Publish to the web</h2>
</hgroup>
<article data-timings="">
<p>Using R packages::slidify to publish your slides to the web</p>
<pre><code>library(slidify)
publish_github("repo", username="user_name")
publish_rpubs("title","file_name.html")
publish_dropbox(dir_name)
publish_gist("title",file="file_name.html",publish=TRUE)
</code></pre>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-42" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Publish to the web: Github</h2>
</hgroup>
<article data-timings="">
<ol>
<li>sign up or login in Github.com at browser</li>
<li>find button: New repository to add new one.</li>
<li>select a name for repository, then created.</li>
<li>the link of your new repository would be like:<br>
<a href="https://github.com/your_name/repo_name.git">https://github.com/"your_name"/"repo_name".git</a></li>
<li>find Settings in your profile at top-right corner</li>
<li>select SSH Keys and add SSH Key</li>
<li>upload your SSH key which created by your own PC/notebook.</li>
<li>at RStudio, using Rcommand:<br>
slidify::publish_github("repo_name", username="your_name")</li>
<li>your new page will be ready in 5~10 min and link:<br>
<a href="https://your_name.github.io/repo_name/index.html">https://"your_name".github.io/"repo_name"/index.html</a><br></li>
</ol>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-43" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>References</h2>
</hgroup>
<article data-timings="">
<ul>
<li><a href="http://mansunkuo.github.io/rmd_tutorial/">An Introduction to R Markdown*</a> by Mansun Kuo @ <a href="http://taiwanrusergroup.github.io/DSC2014Tutorial/">DSC2014</a></li>
<li><a href="http://shiny.rstudio.com/articles/rm-cheatsheet.html">R Markdown Cheat Sheet</a></li>
<li><a href="http://rmarkdown.rstudio.com/">R Markdown</a></li>
<li><a href="http://yihui.name/knitr/">knitr</a></li>
<li><a href="https://support.rstudio.com/hc/en-us/categories/200035113-Documentation">RStudio Documentation</a></li>
<li><a href="https://www.coursera.org/course/repdata">Reproducible Research</a></li>
<li><a href="http://shiny.rstudio.com/articles/">Shiny Articles</a></li>
<li><a href="http://slidify.org/publish.html">Publish to Github Pages/Dropbox/Rpubs</a></li>
</ul>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="" id="slide-44" style="background-image: url('assets/img/dsp-page.png'); background-repeat:no-repeat; background-position:center; background-size: 100% 100%;">
<hgroup>
<h2>Wush 教學影片</h2>
</hgroup>
<article data-timings="">
<p><a href="https://www.youtube.com/watch?v=P97udK2ktuY">Slidify簡介</a> by Wush Wu<br>
<a href="https://www.youtube.com/watch?v=P97udK2ktuY">https://www.youtube.com/watch?v=P97udK2ktuY</a> </p>
<p><a href="https://www.youtube.com/watch?v=OHKZLeKlUsM">20121203 MLDM Monday:markdown + knitr (Hangout 轉播)</a> by Wush Wu<br>
<a href="https://www.youtube.com/watch?v=OHKZLeKlUsM">https://www.youtube.com/watch?v=OHKZLeKlUsM</a></p>
</article>
<!-- Presenter Notes -->
</slide>
<slide class="backdrop"></slide>
</slides>
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