/
discretize_transform.html
218 lines (169 loc) · 10 KB
/
discretize_transform.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
<!-- Generated by pkgdown: do not edit by hand -->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Transform a data.frame using split points returned by discretize function. — discretize_transform • FSelectorRcpp</title>
<!-- jquery -->
<script src="https://code.jquery.com/jquery-3.1.0.min.js" integrity="sha384-nrOSfDHtoPMzJHjVTdCopGqIqeYETSXhZDFyniQ8ZHcVy08QesyHcnOUpMpqnmWq" crossorigin="anonymous"></script>
<!-- Bootstrap -->
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<!-- Font Awesome icons -->
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-T8Gy5hrqNKT+hzMclPo118YTQO6cYprQmhrYwIiQ/3axmI1hQomh7Ud2hPOy8SP1" crossorigin="anonymous">
<!-- clipboard.js -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js" integrity="sha384-cV+rhyOuRHc9Ub/91rihWcGmMmCXDeksTtCihMupQHSsi8GIIRDG0ThDc3HGQFJ3" crossorigin="anonymous"></script>
<!-- sticky kit -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
<!-- pkgdown -->
<link href="../pkgdown.css" rel="stylesheet">
<script src="../pkgdown.js"></script>
<meta property="og:title" content="Transform a data.frame using split points returned by discretize function. — discretize_transform" />
<meta property="og:description" content="Transform a data.frame using split points returned by discretize function." />
<meta name="twitter:card" content="summary" />
<!-- mathjax -->
<script src='https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div class="container template-reference-topic">
<header>
<div class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<span class="navbar-brand">
<a class="navbar-link" href="../index.html">FSelectorRcpp</a>
<span class="label label-default" data-toggle="tooltip" data-placement="bottom" title="Released package">0.2.1</span>
</span>
</div>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li>
<a href="../index.html">
<span class="fa fa-home fa-lg"></span>
</a>
</li>
<li>
<a href="../reference/index.html">Reference</a>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
Articles
<span class="caret"></span>
</a>
<ul class="dropdown-menu" role="menu">
<li>
<a href="../articles/benchmarks_discretize.html">Benchmarks: discretize()</a>
</li>
<li>
<a href="../articles/get_started.html">Motivation, Installation and Quick Workflow</a>
</li>
</ul>
</li>
<li>
<a href="../news/index.html">Changelog</a>
</li>
</ul>
<ul class="nav navbar-nav navbar-right">
</ul>
</div><!--/.nav-collapse -->
</div><!--/.container -->
</div><!--/.navbar -->
</header>
<div class="row">
<div class="col-md-9 contents">
<div class="page-header">
<h1>Transform a data.frame using split points returned by discretize function.</h1>
<div class="hidden name"><code>discretize_transform.Rd</code></div>
</div>
<div class="ref-description">
<p>Transform a data.frame using split points returned by discretize function.</p>
</div>
<pre class="usage"><span class='fu'>discretize_transform</span>(<span class='no'>disc</span>, <span class='no'>data</span>, <span class='kw'>dropColumns</span> <span class='kw'>=</span> <span class='fl'>NA</span>)
<span class='fu'>extract_discretize_transformer</span>(<span class='no'>disc</span>)</pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>disc</th>
<td><p>a result of the <code><a href='discretize.html'>discretize</a></code> function.</p></td>
</tr>
<tr>
<th>data</th>
<td><p>a data.frame to transform using cutpoints from disc.</p></td>
</tr>
<tr>
<th>dropColumns</th>
<td><p>determine</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
<p>A new data.frame with discretized columns using cutpoints
from the result of discretize function.</p>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><div class='input'>
<span class='fu'>set.seed</span>(<span class='fl'>123</span>)
<span class='no'>idx</span> <span class='kw'><-</span> <span class='fu'>sort</span>(<span class='fu'>sample.int</span>(<span class='fl'>150</span>, <span class='fl'>100</span>))
<span class='no'>iris1</span> <span class='kw'><-</span> <span class='no'>iris</span>[<span class='no'>idx</span>, ]
<span class='no'>iris2</span> <span class='kw'><-</span> <span class='no'>iris</span>[-<span class='no'>idx</span>, ]
<span class='no'>disc</span> <span class='kw'><-</span> <span class='fu'><a href='discretize.html'>discretize</a></span>(<span class='no'>Species</span> ~ <span class='no'>.</span>, <span class='no'>iris</span>)
<span class='fu'>head</span>(<span class='fu'>discretize_transform</span>(<span class='no'>disc</span>, <span class='no'>iris2</span>))</div><div class='output co'>#> Sepal.Length Sepal.Width Petal.Length Petal.Width Species
#> 2 (-Inf,5.55] (2.95,3.35] (-Inf,2.45] (-Inf,0.8] setosa
#> 4 (-Inf,5.55] (2.95,3.35] (-Inf,2.45] (-Inf,0.8] setosa
#> 10 (-Inf,5.55] (2.95,3.35] (-Inf,2.45] (-Inf,0.8] setosa
#> 13 (-Inf,5.55] (2.95,3.35] (-Inf,2.45] (-Inf,0.8] setosa
#> 19 (5.55,6.15] (3.35, Inf] (-Inf,2.45] (-Inf,0.8] setosa
#> 21 (-Inf,5.55] (3.35, Inf] (-Inf,2.45] (-Inf,0.8] setosa</div><div class='input'>
<span class='co'># Chain discretization:</span>
<span class='no'>ir1</span> <span class='kw'><-</span> <span class='fu'><a href='discretize.html'>discretize</a></span>(<span class='no'>Species</span> ~ <span class='no'>Sepal.Length</span>, <span class='no'>iris1</span>)
<span class='no'>ir2</span> <span class='kw'><-</span> <span class='fu'><a href='discretize.html'>discretize</a></span>(<span class='no'>Species</span> ~ <span class='no'>Sepal.Width</span>, <span class='no'>ir1</span>, <span class='kw'>control</span> <span class='kw'>=</span> <span class='fu'><a href='discretize.html'>equalsizeControl</a></span>(<span class='fl'>3</span>))
<span class='no'>ir3</span> <span class='kw'><-</span> <span class='fu'><a href='discretize.html'>discretize</a></span>(<span class='no'>Species</span> ~ <span class='no'>Petal.Length</span>, <span class='no'>ir2</span>, <span class='kw'>control</span> <span class='kw'>=</span> <span class='fu'><a href='discretize.html'>equalsizeControl</a></span>(<span class='fl'>5</span>))
<span class='co'>## note that Petal.Width is untouched:</span>
<span class='fu'>head</span>(<span class='fu'>discretize_transform</span>(<span class='no'>ir3</span>, <span class='no'>iris2</span>))</div><div class='output co'>#> Sepal.Length Sepal.Width Petal.Length Petal.Width Species
#> 2 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.2 setosa
#> 4 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.2 setosa
#> 10 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.1 setosa
#> 13 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.1 setosa
#> 19 (5.55, Inf] (3.2, Inf] (1.5,3.65] 0.3 setosa
#> 21 (-Inf,5.55] (3.2, Inf] (1.5,3.65] 0.2 setosa</div><div class='input'>
<span class='co'>## extract_discretize_transformer</span>
<span class='no'>discObj</span> <span class='kw'><-</span> <span class='fu'>extract_discretize_transformer</span>(<span class='no'>ir3</span>)
<span class='fu'>head</span>(<span class='fu'>discretize_transform</span>(<span class='no'>discObj</span>, <span class='no'>iris2</span>))</div><div class='output co'>#> Sepal.Length Sepal.Width Petal.Length Petal.Width Species
#> 2 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.2 setosa
#> 4 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.2 setosa
#> 10 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.1 setosa
#> 13 (-Inf,5.55] (2.9,3.2] (-Inf,1.5] 0.1 setosa
#> 19 (5.55, Inf] (3.2, Inf] (1.5,3.65] 0.3 setosa
#> 21 (-Inf,5.55] (3.2, Inf] (1.5,3.65] 0.2 setosa</div><div class='input'>
</div></pre>
</div>
<div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
<h2>Contents</h2>
<ul class="nav nav-pills nav-stacked">
<li><a href="#arguments">Arguments</a></li>
<li><a href="#value">Value</a></li>
<li><a href="#examples">Examples</a></li>
</ul>
</div>
</div>
<footer>
<div class="copyright">
<p>Developed by Zygmunt Zawadzki, Marcin Kosinski.</p>
</div>
<div class="pkgdown">
<p>Site built with <a href="http://pkgdown.r-lib.org/">pkgdown</a>.</p>
</div>
</footer>
</div>
</body>
</html>