43
Get More Out Of Your Data Visualizations Koen Verbeeck

SQL Track: Get more out of your data visualizations

Embed Size (px)

DESCRIPTION

With data you can tell important and compelling stories, if done right. In this session, we will review a few guidelines on how to create communicative visualizations and how this can be implemented in Excel and Reporting Services. Because SSRS is often underestimated, we'll finish off with some eye-catchers.

Citation preview

Get More Out Of Your

Data VisualizationsKoen Verbeeck

WHO AM I?

AGENDA

• guidelines on data visualization

• showing off with SSRS

AGENDA

• guidelines on data visualization

• showing off with SSRS

GUIDELINES ON DATA VISUALIZATION

• what’s the story you want to tell?

• choose the correct chart type

• use visual perception wisely

• reduce data/ink ratio

GUIDELINES ON DATA VISUALIZATION

• what’s the story you want to tell?

x y

10 8,04

8 6,95

13 7,58

9 8,81

11 8,33

14 9,96

6 7,24

4 4,26

12 10,84

7 4,82

5 5,68

GUIDELINES ON DATA VISUALIZATION

• different kind of stories

– explanatory: (static) reports / dashboards

• strategic – high level overview

• operational – detail level

– analytical: pivot tables / interactive

visualizations

– exhibition: usually pretty visualizations

GUIDELINES ON DATA VISUALIZATION

• example: strategic dashboard

Information Dashboard Design p. 177 – Stephen Few

GUIDELINES ON DATA VISUALIZATION

• example: operational dashboard

Information Dashboard Design p. 199 – Stephen Few

GUIDELINES ON DATA VISUALIZATION

• example: analytical dashboard

Information Dashboard Design p. 201 – Stephen Few

GUIDELINES ON DATA VISUALIZATION

• example: exhibition

http://www.biodiaspora.com http://seekshreyas.com/beerviz/

GUIDELINES ON DATA VISUALIZATION

• choose the correct chart type

– comparing categories

– bar/column chart, dot plot, Gantt, histogram, …

GUIDELINES ON DATA VISUALIZATION

• choose the correct chart type

– showing changes over time

– line chart, sparklines, area chart, candlestick chart, barcode chart…

DEMOCREATE SPARKLINES AND DATA

BARS IN EXCEL

GUIDELINES ON DATA VISUALIZATION

• choose the correct chart type

– hierarchies and part-to-whole relationships

– pie chart, waffle chart, stacked bars, tree map, …

GUIDELINES ON DATA VISUALIZATION

• careful with pie charts!

DEMOCREATE A DECENT PIE CHART IN

SSRS

GUIDELINES ON DATA VISUALIZATION

• choose the correct chart type

– plotting connections and relationships

– Scatter plot, bubble plot, heat map, network diagram

GUIDELINES ON DATA VISUALIZATION

• choose the correct chart type

– plotting geo-spatial data

GUIDELINES ON DATA VISUALIZATION

• remember: correlation does not imply

causation

GUIDELINES ON DATA VISUALIZATION

• use visual perception wisely• 138924567897132165498713218945642315156032

165425648745000512173654502345435102154545

4987840579218600479333470

• 138924567897132165498713218945642315156032

165425648745000512173654502345435102154545

4987840579218600479333470

GUIDELINES ON DATA VISUALIZATION

• use visual perception wisely

– not all can be used quantitatively

length width orientation shape enclosure

size hue intensity 2D position

GUIDELINES ON DATA VISUALIZATION

• use visual perception wisely

– an example

http://en.wikipedia.org/wiki/File:FrancePopulationDensity1968.png

http://www.theusrus.de/blog/the-good-the-bad-22012/

GUIDELINES ON DATA VISUALIZATION

• Gestalt principles

– principle of proximity

GUIDELINES ON DATA VISUALIZATION

• Gestalt principles

– principle of similarity

GUIDELINES ON DATA VISUALIZATION

• Gestalt principles

– principle of enclosure

GUIDELINES ON DATA VISUALIZATION

• Gestalt principles

– principle of closure/continuity

GUIDELINES ON DATA VISUALIZATION

• reduce data/ink ratio

– remove non-data pixels

• no 3D effects. EVER. No seriously, don’t.

• no backgrounds, shadows or gradients

• remove grid lines, decoration, borders, fill colors

GUIDELINES ON DATA VISUALIZATION

• reduce data/ink ratio

– reduce unnecessary data pixels

• display only what is really needed to tell your story

GUIDELINES ON DATA VISUALIZATION

• reduce data/ink ratio

– highlight most import pixels

GUIDELINES ON DATA VISUALIZATION

• reduce data/ink ratio

– KPIs

DEMOCREATE BULLET GRAPH IN SSRS

GUIDELINES ON DATA VISUALIZATION

• don’t forget the 10%

GUIDELINES ON DATA VISUALIZATION

• what’s the story you want to tell?

• choose the correct chart type

• use visual perception wisely

• reduce data/ink ratio

AGENDA

• guidelines on Data Visualization

• showing off with SSRS

SHOWING OFF WITH SSRS

• to watch: Dataviz you thought you could

not do with SSRS by Jason Thomas

• 24 hours of PASS business analytics edition

• http://www.sqlpass.org/bac/2014/Sessions/

SneakPeeks/Details.aspx?sid=5907

SHOWING OFF WITH SSRS

DEMOSHOW SOME FUN STUFF IN SSRS

Follow Technet Belgium

@technetbelux

Subscribe to the TechNet newsletter

aka.ms/benews

Be the first to know

THANKS FOR LISTENING

Belgium’s biggest IT PRO Conference