data visualisation

Question 1

Data visualisation can:

Answer 1

• simplify complex data
• enhance decision making
• reveal hidden insights
• improve communication
• engage and retain attention

Question 1

why data visualisation

Answer 1

humans are pattern-recognition machines, can n turn easier into concrete examples

Question 2

basic principles of data visualisation

Answer 2

1. should tell a story
2. should have graphical integrity
3. should minimise graphical complexity

Question 3

principle 1 of DV

Answer 3

• clear
• enable meaningful comparison
• yield insight beyond the text
• not boring

Question 4

principle 2 of DV

Answer 4

• should not lie
• lie factor - 1
• present data in context

Question 5

principle 3 of DV

Answer 5

• the simpler, the better
• why?
  improves readability, enhances focus, reduces cognitive load, avoid misinterpretation
• data ink- amount of ink used for data in a graph- 1
  chartjunk- does not provide insight, distraction from the story, data-ink ratio low= high chartjunk