11 Aug 20141 Infographics Overview on What is important Traditional graphs Charts for specific...

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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Three scale variables Bubble chart

www.gapminder.org

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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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Statsilk software www.statsilk.com

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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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