1
Q
Importance of visulaizations
A
- 70% of sensory receptors = dedicated to vision
- Selective attention
2
Q
Visualization
A
- visual display
- visual representation of data, means of communication
3
Q
Chart
A
- any visual representation of data (subcategories: maps, diagrams)
4
Q
Graphs
A
subcategory of charts, line graphs
5
Q
Types of visual display
A
- Display = used for data exploration & analysis
- Portal = used to access information & tasks e.g. contains a list of today’s tasks & link to calendar
- Report = used to look up facts
- Dashboard
6
Q
Exploratory & Explanatory
A
- looking at data, try to understand (explore)
- Explanatory = found something interesting, want to communicate that (explain)
7
Q
Dashboards
A
- Visual display
- of most important information needed to achieve >= 1 objectives
- consolidated on 1 computer screen
- so monitored at a glace
8
Q
Dashboard Design Process
A
- Understand Context (who target audience, what information to communicate & actions audience to take, how to commuincate)
- Choose appropriate graphs (what trying to communicate, what data)
- Sketch it
- Design
- Feedback & Iterate
9
Q
Magnitude (2. choose appropriate graph)
A
- charts that help to show size comparison (relative or absolute)
- (2 series) vertical bar chart
- horizontal bar chart
- stacked bar chart
10
Q
Change over Time (2. choose appropriate graph)
A
- show trends over time
- Line graph
- vertical bar charts
- slopegraph
11
Q
correlation (2. choose appropriate graph)
A
- show relationship between >= 2 variables
- bar chart & line graph
- scatterplot
12
Q
Part-to-whole (2. choose appropriate graph)
A
- show how single entity can be broken down to its components
- waterfall charts
- treemap
- stacked bar chart
13
Q
Ranking (2. choose appropriate graph)
A
- show items position in an ordered list
- ordered bar chart
- ordered proportional symbol
14
Q
Flow (2. choose appropriate graph)
A
- intensity of movement btw >= 2 states / conditions
- sankey
- waterfall
15
Q
Preattentive attributes
A
- Goal: draw audience attention quickly to where you want them to; Create visual hierarchy of information
- size, shape, position (right to left, down), color hue & intensity, length & widht
16
Q
Color Intensity
A
- of the most powerful tools for drawing audience’s attention
- use sparingly (not to much) & consistent
- keep color-blindness in mind (0.5 % of population, avoid red & gren) -> colorblind simulators
- leverage brand color
17
Q
Dashboard Template
A
- side pane incl. filters on left
- top pane incl. logo, filters such as year, contact info
- pane under top pane incl. indicators such as KPIs
- key charts
18
Q
Data as an asset
A
- asset = economic resource, that can be owned or controlled, and that holds or produces value, including: cash, inventory, buildings, machinery
- Data = Widely considered as asset because it is necessary for business operations & can provide insights into customers, products & services
- just as with any asset, data must be managed for organizations to derive value from it
19
Q
Data Management
A
all actions to enable organizations to get value form their data
20
Q
Data Management Activities
A
- Lifecycle Management: Planning & designing for data, enabling its use & ensuring its properly maintained & using it
- Data Governance: Control data development, reduce risk associated with data user & enable organization to leverage data strategically (e.g. Policy, cultural change, strategy)
- Foundation activities: Ensuring data is protected, managing metadate, managing quality of data
21
Q
Data catalogue
A
- Description of data set
- Meta data
- Certified data sets
- Ownership
22
Q
Data governance
A
- each data asset has a data governance structure around it
- Subject matter expert
- Data Maintainer
- Analytics Steward
