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ch7_exercise.html
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="generator" content="pandoc" />
<meta name="author" content="Yao-Jen Kuo" />
<meta name="date" content="2016-12-07" />
<title>活用資料框 - 隨堂練習</title>
<script src="ch7_exercise_files/jquery-1.11.3/jquery.min.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link href="ch7_exercise_files/bootstrap-3.3.5/css/bootstrap.min.css" rel="stylesheet" />
<script src="ch7_exercise_files/bootstrap-3.3.5/js/bootstrap.min.js"></script>
<script src="ch7_exercise_files/bootstrap-3.3.5/shim/html5shiv.min.js"></script>
<script src="ch7_exercise_files/bootstrap-3.3.5/shim/respond.min.js"></script>
<style type="text/css">code{white-space: pre;}</style>
<link rel="stylesheet"
href="ch7_exercise_files/highlight/default.css"
type="text/css" />
<script src="ch7_exercise_files/highlight/highlight.js"></script>
<style type="text/css">
pre:not([class]) {
background-color: white;
}
</style>
<script type="text/javascript">
if (window.hljs && document.readyState && document.readyState === "complete") {
window.setTimeout(function() {
hljs.initHighlighting();
}, 0);
}
</script>
<style type="text/css">
h1 {
font-size: 34px;
}
h1.title {
font-size: 38px;
}
h2 {
font-size: 30px;
}
h3 {
font-size: 24px;
}
h4 {
font-size: 18px;
}
h5 {
font-size: 16px;
}
h6 {
font-size: 12px;
}
.table th:not([align]) {
text-align: left;
}
</style>
</head>
<body>
<style type = "text/css">
.main-container {
max-width: 940px;
margin-left: auto;
margin-right: auto;
}
code {
color: inherit;
background-color: rgba(0, 0, 0, 0.04);
}
img {
max-width:100%;
height: auto;
}
.tabbed-pane {
padding-top: 12px;
}
button.code-folding-btn:focus {
outline: none;
}
</style>
<div class="container-fluid main-container">
<!-- tabsets -->
<script src="ch7_exercise_files/navigation-1.1/tabsets.js"></script>
<script>
$(document).ready(function () {
window.buildTabsets("TOC");
});
</script>
<!-- code folding -->
<div class="fluid-row" id="header">
<h1 class="title toc-ignore">活用資料框 - 隨堂練習</h1>
<h4 class="author"><em>Yao-Jen Kuo</em></h4>
<h4 class="date"><em>2016-12-07</em></h4>
</div>
<script src="https://cdn.datacamp.com/datacamp-light-latest.min.js"></script>
<div class="section level2">
<h2>轉換變數類型</h2>
<p>練習把一個文字（character）轉換成 Date 格式。</p>
<div data-datacamp-exercise="" data-height="300" data-encoded="true">
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</div>
</div>
<div class="section level2">
<h2>聯結資料框</h2>
<p>練習將兩個資料框 <code>order_data</code> 與 <code>customer_data</code> 進行內部合併。</p>
<div data-datacamp-exercise="" data-height="300" data-encoded="true">
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</div>
</div>
</div>
<script>
// add bootstrap table styles to pandoc tables
$(document).ready(function () {
$('tr.header').parent('thead').parent('table').addClass('table table-condensed');
});
</script>
<!-- dynamically load mathjax for compatibility with self-contained -->
<script>
(function () {
var script = document.createElement("script");
script.type = "text/javascript";
script.src = "https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
document.getElementsByTagName("head")[0].appendChild(script);
})();
</script>
</body>
</html>