Data Visualisation: Big Data’s Best Friend

Andy Cotgreave (@acotgreave)Social Content ManagerTableau

Data Visualisation: Big Data’s Best Friend

Andy Cotgreave (@acotgreave)Visual Analytics Trainer, Tableau

Our agenda

HistoryScience

Design

1. Data visualisation isn’t new

Data visualisation is not new.

2. What is the value of data visualisation?

Consider these numbers…

Property Value

Mean of x 9

Variance of x 11

Mean of y 7.5 (to 2 dp)

Variance of y 4.122 (to 3 dp)

Correlation 0.816 (3dp)

Linear regression y=3+.5x (3dp)

Consider these numbers…

BlueOrang

e

Green Red

3. Don’t fool your eyes!

The human visual system

Eye Brain

From the Texas School for the Blind and Visually Impaired

Change blindness

The answer…

Grey screen: explain importance of Change Blindness

http://www.informationisbeautiful.net/visualizations/colours-in-cultures/

What colour do Asians associate

with Purity?

4. Exploit the strengths of your visual system

From the Texas School for the Blind and Visually Impaired

5. Engage with value not candy

http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html (Simon Scarr)

6. What’s your message?

http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html

http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html

Iraq: Deaths on the decline

Let’s see all of this in action

Data Visualisation: Big Data’s Best Friend