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11 Aug 2014 1
Infographics
Overview on What is important Traditional graphs Charts for specific usages Common misleading factors
Read also the two books
1
Fundamental scopes
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What is represented? Is something misleading? Is something useless? Is something missing? Can other information be added?
2
Variables
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Scale or numeric variables time, age, weight, distance in Kilometers,
length, number of children, GDP Nominal or categorical variables
country of residence, sex, degree course Ordinal variables
Likert scale Using them as nominal or scale variables
Scales Logarithmic scale
One nominal variable Column plot
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One nominal variable Pie chart Radar graph
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Mon
Tue
Wed
ThuFri
Sat
Sun
0
500
One nominal variable Bar plot Line plot
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Apr May Jun Jul Aug Sep0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
1.2%
1.4%
JP
US
EPO
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
One nominal variable Area plot 3D variants
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Apr May Jun Jul Aug Sep0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
1.2%
1.4%
One scale variable Building an histogram
grouping into bins
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$1,000 $2,000 $3,000 $4,000 $5,000
0
4
8
12
One scale variable Choosing the bins carefully
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$1,000 $2,000 $3,000 $4,000 $5,000
0
10
20
30
$1,000 $2,000 $3,000 $4,000 $5,000
2
4
6
8
One scale variable Boxplot
Median in black line Central 50% is in the
rectangle Central 90% is
between whiskers Extremes are
symbols
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One scale variable case by case Use any appropriate nominal
variable graph
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Nominal versus nominal Side by side Stacked
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Enterntainment Games Lifestyle News Social networking0
2
4
6
8
10
12
14
16
18
20
iPhone Android
Nominal versus nominal Appropriate 3D variants
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Ente
rnta
inm
ent
Games
Lifes
tyle
News
Socia
l net
wor
king
02468
101214161820
iPhoneAndroid
Nominal versus nominal a rare example of a useful stacked area
chart
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Nominal versus scale Boxplot side by
side
Histogram one above the other
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Scale versus scale Scatterplot
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Scale versus scale Mathematical
graph
Regression line
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Three scale variables Surface plot
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Bubble chart with Google Developers https://
developers.google.com/chart/interactive/docs/gallery/bubblechart
create HTML file which displays graph in browser
insert data manually with Notepad modify options manually with Notepad see book for detailed list of instructions
is asked at exam in the open-books practical part
… also graph creating with Excel is asked (see mandatory exercises)
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Data map: scale variable
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Data map: flow directions
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Time series Financial chart
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Time series
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Time series Gantt chart
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Time series
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Narrative graph
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Narrative graph
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Misleading factors Distractible elements
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Misleading factors Elements in the wrong place
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Misleading factors Wrong proportions
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Misleading factors Right proportions
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Misleading factors Different units of measure
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Misleading factors Not starting from zero
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Misleading factors Two and three dimensional growth
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Misleading factors Two and three dimensional growth
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Misleading factors
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