Data Visualization- Questions and Answers|
Latest Update
view manipulation (heer and shneiderman) Correct Ans--select items to highlight, filter, or
manipulate them
-navigate to examine high-level patterns and low-level detail
-coordinate views for linked, multi-dimensional exploration
-organize multiple windows and workspaces
process and provenance (heer and shneiderman) Correct Ans--record analysis histories for
revisitation, review and sharing
-annotate patterns to document findings
-share views and annotations to enable collaboration
-guide users through analysis task or stories
sorting Correct Ans--often uncovers much more meaning in data
-provide extremely quick and easy means to re-sort data in different ways
-provide the means to link multiple graphs and easily sort the data in each graph the same way
-provide the means to sort items in a graph based on various values, especially the values that are
featured in the graph
"a graphic display has many purposes, but it achieves its highest value when it forces us to see
what we are not expecting" Correct Ans-william cleveland
,dashboard Correct Ans-a visual display of the most important information needed to achieve
one or more objectives, consolidated and arranged on a single screen so the information can be
monitored at a glance (Few 2013)
what dashboards are not Correct Ans--a display that is primarily used for data exploration and
analysis
-a portal
-a scorecard
-a report that people use to look up specific facts
performance monitoring process Correct Ans-1. update high-level situation awareness
2. identify and focus on particular items that need attention: update awareness of this item in
greater detail and determine whether an action is required
3. if action is required, access additional information that is needed, if any, to determine an
appropriate response
4. respond
13 common mistakes in dashboard design (few 2013) Correct Ans-1. exceeding the
boundaries of a single screen
2. supplying inadequate context for the data
3. displaying excessive detail or precision
4. choosing inappropriate media of display
5. expressing measures indirectly
,6. introducing meaningless variety
7. using poorly designed display media
8. encoding quantitative data inaccurately
9. arranging the data poorly
10. ineffectively highlighting what's important
11. cluttering the screen with useless decoration
12. misusing or overusing color
13. designing an unappealing visual display
"simplify, simplify, simplify" Correct Ans-henry david thoreau
fundamental usage requirement features Correct Ans--update frequency
-user expertise
-audience size
-technology platform
-screen type
-data types
dashboard design best practices Correct Ans--organize information to support meaning and
use
-maintain consistency to enable quick and accurate interpretation
-pet supplementary information within reach
-make the experience aesthetically pleasing
, -expose lower-level alerts
-keep viewers in the loop
-when needed, accommodate real-time monitoring
aesthetics Correct Ans--use subdued colors over bright colors
-use off-whites instead of stark whites in background
-align content and follow good layout principles
-use legible font
"The greatest value of a picture is when it forces us to notice what we never expected to
see" Correct Ans-John Tukey
"Data viz is often the most effective way to describe, explore, and summarize a set of numbers
by looking at a picture of those numbers... well-designed data graphics are usually the simplest
and at the same time the most powerful" Correct Ans-Edward Tufte (Visual display of quant
info)
Data visualization Correct Ans-visual display of quantitative information through the use of
-points
-lines
-coordinate systems
-numbers
-symbols
Latest Update
view manipulation (heer and shneiderman) Correct Ans--select items to highlight, filter, or
manipulate them
-navigate to examine high-level patterns and low-level detail
-coordinate views for linked, multi-dimensional exploration
-organize multiple windows and workspaces
process and provenance (heer and shneiderman) Correct Ans--record analysis histories for
revisitation, review and sharing
-annotate patterns to document findings
-share views and annotations to enable collaboration
-guide users through analysis task or stories
sorting Correct Ans--often uncovers much more meaning in data
-provide extremely quick and easy means to re-sort data in different ways
-provide the means to link multiple graphs and easily sort the data in each graph the same way
-provide the means to sort items in a graph based on various values, especially the values that are
featured in the graph
"a graphic display has many purposes, but it achieves its highest value when it forces us to see
what we are not expecting" Correct Ans-william cleveland
,dashboard Correct Ans-a visual display of the most important information needed to achieve
one or more objectives, consolidated and arranged on a single screen so the information can be
monitored at a glance (Few 2013)
what dashboards are not Correct Ans--a display that is primarily used for data exploration and
analysis
-a portal
-a scorecard
-a report that people use to look up specific facts
performance monitoring process Correct Ans-1. update high-level situation awareness
2. identify and focus on particular items that need attention: update awareness of this item in
greater detail and determine whether an action is required
3. if action is required, access additional information that is needed, if any, to determine an
appropriate response
4. respond
13 common mistakes in dashboard design (few 2013) Correct Ans-1. exceeding the
boundaries of a single screen
2. supplying inadequate context for the data
3. displaying excessive detail or precision
4. choosing inappropriate media of display
5. expressing measures indirectly
,6. introducing meaningless variety
7. using poorly designed display media
8. encoding quantitative data inaccurately
9. arranging the data poorly
10. ineffectively highlighting what's important
11. cluttering the screen with useless decoration
12. misusing or overusing color
13. designing an unappealing visual display
"simplify, simplify, simplify" Correct Ans-henry david thoreau
fundamental usage requirement features Correct Ans--update frequency
-user expertise
-audience size
-technology platform
-screen type
-data types
dashboard design best practices Correct Ans--organize information to support meaning and
use
-maintain consistency to enable quick and accurate interpretation
-pet supplementary information within reach
-make the experience aesthetically pleasing
, -expose lower-level alerts
-keep viewers in the loop
-when needed, accommodate real-time monitoring
aesthetics Correct Ans--use subdued colors over bright colors
-use off-whites instead of stark whites in background
-align content and follow good layout principles
-use legible font
"The greatest value of a picture is when it forces us to notice what we never expected to
see" Correct Ans-John Tukey
"Data viz is often the most effective way to describe, explore, and summarize a set of numbers
by looking at a picture of those numbers... well-designed data graphics are usually the simplest
and at the same time the most powerful" Correct Ans-Edward Tufte (Visual display of quant
info)
Data visualization Correct Ans-visual display of quantitative information through the use of
-points
-lines
-coordinate systems
-numbers
-symbols
