Data Visualization
Download as PPTX, PDF2 likes533 views
This document discusses data visualization and effective ways to communicate information through graphs and tables. It provides examples of different types of charts, including a bar graph showing quarterly orders by country, a pie chart comparing market share of companies, and a stacked bar chart showing market share by sales. The document emphasizes using visualization techniques that clearly and meaningfully convey insights from data in a way that leads to better analysis and decision making.
![What is the right skill set for
building good data visualizations?
The ability to ask good questions is
really what we start with.
[Amanda Cox]
The right skill set
Seems like the right person is a unicorn,
someone who knows some design, some
programming and some statistics?](https://image.slidesharecdn.com/datavisualization20140519-140519072828-phpapp02/85/Data-Visualization-5-320.jpg)
Data Visualization
- 1. DATA VISUALIZATION Graphs and Tables Design March 2013 Dott. Nicola Sandoli Business Development Manager n.sandoli@iconsulting.biz
- 2. Bianchi 12 Rossi 7 Verdi 4 Communicate with numbers Education Models and Examples Meaningful information Better analysis lead to better decisions less time wasted From Data to Information Issues Actions Benefits Standards Skills and Competences Verdi Rossi Bianchi Where are we?
- 3. How to tell a story with data Hans Rosling: New insights on poverty www.youtube.com/watch?v=YpKbO6O3O3M How to communicate using Graphs and Tables?
- 5. What is the right skill set for building good data visualizations? The ability to ask good questions is really what we start with. [Amanda Cox] The right skill set Seems like the right person is a unicorn, someone who knows some design, some programming and some statistics?
- 6. Example - Graph 0 200000 400000 600000 Orders France Germany China 2013 Q2 Orders Quarter to Date Date Apr 28, 2013 Orders (€) % on total Orders France 275.049 31% Germany 100.456 11% China 500.454 57% 875.959 100% Note: To date 30% of the Quarter has elapsed
- 7. Marketshare Company A Company B Marketshare Company A Company B Example – Pie Chart
- 8. 26% 20% 12% 42% x y w z Scenario: we sell product X and top management want a quick view on the market share Issues: • Lot of space for little info • Which is bigger, red or orange? • Legend is required but complex to read y z x w Maketshare Sales tot 42% 26% 20% 12% 630 390 300 180 1500 Advantages: • We are the blue one and we are second • Clear understanding of market share and ranking • More info in the same amount of space • Not so “flashy” but right to the point Example – Pie Chart