/
block_G_iii.html
166 lines (158 loc) · 7.74 KB
/
block_G_iii.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
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title></title>
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/journal.css">
<!-- Theme used for syntax highlighting of code -->
<link rel="stylesheet" href="lib/css/monokai.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
</head>
<body>
<!-- BODY -->
<div class="reveal">
<div class="slides">
<section id="section" class="level1">
<h1></h1>
<section id="geographic-data-science" class="level2">
<h2>Geographic Data Science</h2>
<CENTER>
Regionalisation
</CENTER>
<CENTER>
<a href="http://darribas.org">Dani Arribas-Bel</a>
</CENTER>
</section>
</section>
<section id="section-1" class="level1">
<h1></h1>
<section id="regionalization" class="level2">
<h2>Regionalization</h2>
</section>
<section id="section-2" class="level2">
<h2></h2>
<p>Unsupervised <span class="fragment"><strong>Spatial</strong></span> Machine Learning</p>
<p><span class="fragment"> <em>Aggregating basic spatial units (<strong>areas</strong>) <strong>into</strong> larger units (<strong>regions</strong>)</em></p>
</section>
<section id="regionalization-1" class="level2">
<h2>Regionalization</h2>
<p><strong>Split</strong> a dataset into <strong>groups</strong> of observations that are <strong>similar within</strong> the group and <strong>dissimilar between</strong> groups, based on a series of <strong>attributes</strong>…</p>
<p><span class="fragment"> …with the additional constraint observations need to be <strong>spatial neighbors</strong></span></p>
</section>
<section id="regionalization-2" class="level2" data-transition="none">
<h2 data-transition="none">Regionalization</h2>
<SMALL>
<ul>
<li class="fragment current-visible">
All the methods aggregate geographical areas into a predefined number of regions, while optimizing a particular aggregation criterion;
</li>
<li class="fragment current-visible">
The areas within a region must be geographically connected (the spatial contiguity constraint);
</li>
<li class="fragment current-visible">
The number of regions must be smaller than or equal to the number of areas;
</li>
<li class="fragment current-visible">
Each area must be assigned to one and only one region;
</li>
<li class="fragment current-visible">
Each region must contain at least one area.
</li>
</ul>
<p></SMALL></p>
<div style="text-align:right">
<p><a href="http://irx.sagepub.com/content/30/3/195">Duque et al. (2007)</a></p>
</div>
</section>
<section id="regionalization-3" class="level2" data-transition="none">
<h2 data-transition="none">Regionalization</h2>
<SMALL>
<ul>
<li>
All the methods aggregate geographical areas into a predefined number of regions, while optimizing a particular aggregation criterion;
</li>
<li>
The areas within a region must be geographically connected (the spatial contiguity constraint);
</li>
<li>
The number of regions must be smaller than or equal to the number of areas;
</li>
<li>
Each area must be assigned to one and only one region;
</li>
<li>
Each region must contain at least one area.
</li>
</ul>
<p></SMALL></p>
<div style="text-align:right">
<p><a href="http://irx.sagepub.com/content/30/3/195">Duque et al. (2007)</a></p>
</div>
</section>
<section id="section-3" class="level2" data-background="../figs/l08_abb_london.png">
<h2 data-background="../figs/l08_abb_london.png"></h2>
</section>
<section id="algorithms" class="level2">
<h2>Algorithms</h2>
<ul>
<li>Automated Zoning Procedure (AZP)</li>
<li>Arisel</li>
<li>Max-P</li>
<li>…</li>
</ul>
<p>See <a href="http://irx.sagepub.com/content/30/3/195">Duque et al. (2007)</a> for an excellent, though advanced, overview</p>
</section>
</section>
<section id="section-4" class="level1">
<h1></h1>
<section id="examples" class="level2">
<h2>Examples</h2>
</section>
<section id="census-geographies" class="level2" data-transition="none">
<h2 data-transition="none">Census geographies</h2>
<center>
<img src="../figs/l08_census.png" alt="Choropleth"
style="width:800px;height:350px;"/>
</center>
</section>
<section id="section-5" class="level2" data-background="../figs/l08_livehoods.png" data-transition="none">
<h2 data-background="../figs/l08_livehoods.png" data-transition="none"></h2>
<p><a href="http://www.livehoods.org/">Livehoods</a></p>
</section>
</section>
<section id="section-6" class="level1">
<h1></h1>
<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">A course on Geographic Data Science</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="http://darribas.org" property="cc:attributionName" rel="cc:attributionURL">Dani Arribas-Bel</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
</section>
</div>
</div>
<!-- DEPENDENCIES -->
<script src="js/reveal.js"></script>
<script>
// More info about config & dependencies:
// - https://github.com/hakimel/reveal.js#configuration
// - https://github.com/hakimel/reveal.js#dependencies
Reveal.initialize({
controlsTutorial: false,
history: true,
dependencies: [
{ src: 'plugin/markdown/marked.js' },
{ src: 'plugin/markdown/markdown.js' },
{ src: 'plugin/notes/notes.js', async: true },
{ src: 'plugin/highlight/highlight.js', async: true }
]
});
</script>
<!-- END of BODY -->
</body>
</html>