8. Which industry do you work in?
• Retail and Consumer Packaged
Goods
• Health Care
• Banking, Financial Services and
Insurance
• Information Technology /
Consulting/Others
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9. Which Function Do You Work In?
• Analytics
• BI
• Sales and Marketing
• IT
• Finance/Operations / Human
Resources
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11. The Need for Visualizations
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12. Our Needs Outgrew Charts
More data!
high dimensional
ˠ
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13. Humans are Visual
Brain can absorb large amounts of information
and find patterns (and deviations!)
PicbyDanFoy
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23. x y x y x y x y
10 8.04 10 9.14 10 7.46 8 6.58
8 6.95 8 8.14 8 6.77 8 5.76
13 7.58 13 8.74 13 12.74 8 7.71
9 8.81 9 8.77 9 7.11 8 8.84
11 8.33 11 9.26 11 7.81 8 8.47
14 9.96 14 8.1 14 8.84 8 7.04
6 7.24 6 6.13 6 6.08 8 5.25
4 4.26 4 3.1 4 5.39 19 12.5
12 10.84 12 9.13 12 8.15 8 5.56
7 4.82 7 7.26 7 6.42 8 7.91
5 5.68 5 4.74 5 5.73 8 6.89
Mean 9 7.5 9 7.5 9 7.5 9 7.5
Variance 11 4.122 11 4.122 11 4.122 11 4.122
Correlation
Linear Regression y = 3.00 + 0.500x y = 3.00 + 0.500x y = 3.00 + 0.500x y = 3.00 + 0.500x
Anscombe's Quartet
I II III IV
0.816 0.816 0.816 0.816
Anscombe’s Quartet
24. How are the Data Sets Different?
• All four data sets are identical
• Distribution is different
• Median and Mode could be different
• Not Sure
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26. Statistics and bikinis show a lot,
but not everything.
- Toby Harrah
American baseball player
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27. Where do Data Visualizations Fit
in Data Analytics Process?
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28. Acquire Data
Clean Data
Explore Data
Data
Modeling
Insights
Communicate
Where does Data Visualization Fit in Data Analytics
Process?
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30. Make Sense of Vast Data Quickly
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31. Make Sense of Vast Data Quickly
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32. Elicit Questions You Did Not Ask Before
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33. What should we do to
make India a land of equal
opportunity for all, free of
prejudice and
discrimination?
- Ratan Tata
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34. Sample Responses
• @RNTata2000 in all democracies there is a gap on what ple want and what
politicians r delivering,they r not doing the right thing, lobbying?
• @bangaarm @RNTata2000 Budget 2012: This year is Tax Holiday. No
income tax on your earnings. This is to bring back all the black money to
India
• @sri_v22 @RNTata2000 1. Kill corruption 2. Electoral reforms so that
honest ple can get into politics 3. Media & activists should increase their
role
• @joseaaa @RNTata2000 Can't be articulated with 140 characters. Quality
education for the masses is magic potion that can address most of the
problem.
• @dharmeshsharma8 @RNTata2000 Could we have your view on this
topic?
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35. Elicit Questions You Did Not Ask Before
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36. Discover New Data Relationships
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37. Discover New Data Relationships
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38. Show Others What You See
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46. Guidelines
• Understand your goals
• Determine the most important dimensions of
your data
• Determine key data relationships
• Show data close to reality e.g. maps, time lines
etc.
• Choose encoding wisely “Function first, suave
next”
• What questions do you want answered?
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51. What Do You Think About This Chart?
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52. What’s Wrong with this Chart?
• Too Big
• Poor colors
• Nothing wrong, looks good
• It’s just wrong
• No comment
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55. $450
$650
$850
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Monthly Revenue
470
900
700
550
800
600
473
610 600
300
500
450
$0
$200
$400
$600
$800
$1,000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Monthly Revenue
ThousandsThousands