Date post: | 23-Aug-2014 |
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Health & Medicine |
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Tips to Create Useful and Beautiful Visualizations 10
Tell a story!Profitable vs. Unprofitable IPOs
IPO Decade:2000s1990s1980s
Day Since IPO:0 to 800
0 255 510 765
Trading Days Since IPO
0%
50%
100%
150%
*Average Return Since IPO
Year 1 Year 2 Year 3
39%
86%
110%
89%
153%
36%
Profitable at IPONot profitable
Profitable
Every viz should tell a story. As you create your visualization, make sure to continually ask, “What story does this tell?”
This viz shows us that companies that IPO’d after reaching profitability were far more successful in the long run.
1
Orient text horizontallyIL OH
Chicago Teachers Illinois MunicipalIllinois SERS
Illinois Teachers Illinois UniversitiesOhio PERSOhio Police & Fire
Ohio School Employees
Ohio Teachers
0K
200K
400K
600K
800K
Liability per Employee
Unfunded Pension Liability by State
0K 200K 400K 600K 800K
Liability per Employee
IL Chicago Teachers
Illinois Municipal
Illinois SERS
Illinois Teachers
Illinois Universities
OH Ohio PERS
Ohio Police & Fire
Ohio School Employees
Ohio Teachers
Unfunded Pension Liability by State
Sometimes the small changes make all the difference in understanding
2
Avoid pies! Except on maps…Age Group
0-15 16-24 25-40 41-64 65+
Can you tell which slice is largest? RegionEast
South
West
Age Group
0-15 16-24 25-40 41-64 65+
0%
10%
20%
30%
40%
50%Percent of Total Users
This is the same information represented as bars. Comparisons are much easier.
Graffiti by Precinct and Resolution
Bar charts beat pies every time! The human eye can compare height much easier than area.
But… pies can be effective on maps.The same comparison problem exists, but pies allow analysis in small spaces.
3
Use multiple views
Source: Bureau of L..
60 Years of Unemployment
---0 ---1 ---2 ---3 ---4 ---5 ---6 ---7 ---8 ---9
0%
2%
4%
6%
8%
10%
12%
Unemployment
Unemployment by Decade and Year Highlight Decade:1940's
1950's
1960's
1970's
1980's
1990's
2000's
-1,000K -500K 0K 500K 1,000K
Change in Employment from Prior Month
0%
2%
4%
6%
8%
10%
12%
Unemployment
Average= 5.6%
Average= 116K
September 1983January 2009
Month over Month
Use two coordinated views to show depth, rather than trying to place everything into one view.
4
Bullets beat GaugesCash on Hand Among the Top US Companies by Market Cap
$200B $400B $600B $800B
Cash (Green) and Debt (Red)
Goldman Sachs
JPMorgan Chase
Citigroup
Bank of America
Wells Fargo
General Electric
Apple
Cisco Systems
Microsoft
Berkshire Hath.
Oracle Total Cash
Total Debt
$3,705.5BTotal cash
($749.6B)Net Cash
$4,455.1B
Total Debt
Besides being difficult to read, gauges take up tons of space. Use bullets charts!
>
5
Increase effectiveness with color
The human eye can detect subtle differences in color much faster than it can read subtle differences in text. Using color saves on space too!
6
But not too many colors at once
District of Columbia Crimespotting
About Tableau maps: www.tableausoftware.com/mapdata
OFFENSEHOMICIDE
ADW
ROBBERY
SEX ABUSE
ARSON
BURGLARY
STOLEN AUTO
THEFT
THEFT F/AUTO
Using more than 10 colors can cause them to blend together and confuse.This view is only using 8 colors, but it is still difficult to differentiate the greens.
7
Labels make it clear
Region
$0K $1,500K
Sales
Central
East
South
West
$1,079,525
$765,411
Min/Max
Region
$0K $500K $1,000K
Sales
Central
East
South
West
$765,411
HighlightedOrder Date
2007200820092010
$50K
$100K
Profit
West
East
Line Ends
Labels are wonderful for calling out key data points and actions
8
Make it interactive!
Enable filters, highlighting and clicking for more detail to supercharge the usefulness of your visualization
Major contributors to obesity by countyEat your vegetables, go for a run and don't smoke, while you're at it!
Select a state:All
60% 70% 80% 90%
Consume few fruits or veg.
0% 20% 40%
Persons who do not exercise
0% 20% 40%
Smokers
0%
10%
20%
30%
40%
Obesity (% of pop)
Select point(s) to view details in chart below:
Click to highlight region:Midwest Northeast South West
State County Obesity Consume few fruits or veg.Persons who do not exercise Smokers
Georgia Burke
Illinois Madison
Ohio Clark
21%41%77%39%
25%24%78%28%
24%21%73%36%
9
No ornamentation necessary
This viz shows the National Activity Index. Not exactly exciting stuff. Yet, this simple visualization tells a story and does it without ornamentation or added presentation layers.
Let the data tell the story!
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