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VA > Session 10 - 12 ^ > Flashcards

Session 10 - 12 ^ Flashcards

1
Q

Importance of visulaizations

A
  • 70% of sensory receptors = dedicated to vision
  • Selective attention
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2
Q

Visualization

A
  • visual display
  • visual representation of data, means of communication
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3
Q

Chart

A
  • any visual representation of data (subcategories: maps, diagrams)
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4
Q

Graphs

A

subcategory of charts, line graphs

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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
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6
Q

Exploratory & Explanatory

A
  • looking at data, try to understand (explore)
  • Explanatory = found something interesting, want to communicate that (explain)
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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
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8
Q

Dashboard Design Process

A
  1. Understand Context (who target audience, what information to communicate & actions audience to take, how to commuincate)
  2. Choose appropriate graphs (what trying to communicate, what data)
  3. Sketch it
  4. Design
  5. Feedback & Iterate
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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
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10
Q

Change over Time (2. choose appropriate graph)

A
  • show trends over time
  • Line graph
  • vertical bar charts
  • slopegraph
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11
Q

correlation (2. choose appropriate graph)

A
  • show relationship between >= 2 variables
  • bar chart & line graph
  • scatterplot
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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
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13
Q

Ranking (2. choose appropriate graph)

A
  • show items position in an ordered list
  • ordered bar chart
  • ordered proportional symbol
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14
Q

Flow (2. choose appropriate graph)

A
  • intensity of movement btw >= 2 states / conditions
  • sankey
  • waterfall
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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
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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

VA (10 decks)

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