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17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
© 2018 Data Literacy. All rights reserved. 7
Data Types: NOIR
Qualitative
(categorical)
Quantitative
(numerical)
Nominal
(not ordered)
Ordinal
(ordered)
Interval
(differences)
Ratio
(fractions)
Nominal = “Names”
E.g. Gender, Color
Ordinal = has order,
but differences
between levels is
unknown
E.g. Satisfaction
score, level of pain
Interval – has order,
differences between
values is consistent,
but 0 does not
mean “none”
E.g. Temperature in
°F
Ratio – has order,
differences between
values is consistent,
and 0 means “none”
E.g. Height of
people in the room
© 2018 Data Literacy. All rights reserved. 8
Why does data type matter?
0
1
2
3
4
5
6
2013 2014 2015 2016 2017
One Two Three Four
Quantitative
variables make axes
Categorical variables
make “buckets” or
headers
Quantitative
variables make…
sequential
and
diverging
color palettes with
varying saturation
Categorical variables
make colors with
different hues
Missoula, MT – 30°F on January 10th Missoula, MT – 15°F on January 16th
Is the temperature “half” of
what it was last Friday?
17 Key Traits of Data Literacy
© 2018 Data Literacy. All rights reserved. 11
Starts with A
Starts with B
Starts with C
Animals Sports Fruit AnimalsStarts with A
Starts with A
Starts with A
Starts with B
Starts with B
Starts with B
Starts with C
Starts with C
Starts with C
Sports
Fruit
Animals
Sports
Fruit
Animals
Sports
Fruit
🏀
🍎
🏏
🐻
😺
🍌
🍒
Learning About Reshaping Data with Emojis
“Stacked” or “Record” FormatPivoted Format
🎯🐜
17 Key Traits of Data Literacy
The “Average” NFL Player…
…is about 25 years old,
just over 6'2" in height,
weighs a little more than
244lbs and makes slightly
less than $1.5M in salary
per year. Can you tell
which distribution goes
with which trait?
Age
SalaryWeight
Height
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
61,316 tows
17 Key Traits of Data Literacy
What are the most common Makes that got towed?
“Ford”
“FORD”
“FORF”
“Forrrd”
“Peterbilt”
“Peterbelt”
“Peterbutt”
“Pete”
“Mitsubishi”
“Mitsubishit”
“Burnt Car”
Who needs spell check, anyway?
What was the effect of cleaning the Make column?
What was the effect of the grouping?
17 Key Traits of Data Literacy
In 1642, Abel Tasman was the
first European to discover New
Zealand. He mistakenly though
the two islands were connected,
and named the area between the
Zeehaen’s Bight, after his ship
In 1769, over a century later,
James Cook was the first
European to completely
circumnavigate the pair of islands
that make up the native home of
the Māori people. He correctly
noticed that there was a passage
through, and the two land masses
weren’t connected. The area
between them is now knows as
Cook’s Strait
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
Ethics and Data Science
by DJ Patil, Hilary Mason, Mike Loukides
The 5 C’s:
• Consent
• Clarity
• Consistence and Trust
• Control and Transparency
• Consequences
Princeton Case Studies:
Automated healthcare app, Dynamic sound identification,
Optimizing schools, Law Enforcement ChatBots, Hiring by
machine, Public sector data analytics
https://aiethics.princeton.edu/case-studies/
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy
17 Key Traits of Data Literacy

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17 Key Traits of Data Literacy

  • 7. © 2018 Data Literacy. All rights reserved. 7 Data Types: NOIR Qualitative (categorical) Quantitative (numerical) Nominal (not ordered) Ordinal (ordered) Interval (differences) Ratio (fractions) Nominal = “Names” E.g. Gender, Color Ordinal = has order, but differences between levels is unknown E.g. Satisfaction score, level of pain Interval – has order, differences between values is consistent, but 0 does not mean “none” E.g. Temperature in °F Ratio – has order, differences between values is consistent, and 0 means “none” E.g. Height of people in the room
  • 8. © 2018 Data Literacy. All rights reserved. 8 Why does data type matter? 0 1 2 3 4 5 6 2013 2014 2015 2016 2017 One Two Three Four Quantitative variables make axes Categorical variables make “buckets” or headers Quantitative variables make… sequential and diverging color palettes with varying saturation Categorical variables make colors with different hues
  • 9. Missoula, MT – 30°F on January 10th Missoula, MT – 15°F on January 16th Is the temperature “half” of what it was last Friday?
  • 11. © 2018 Data Literacy. All rights reserved. 11 Starts with A Starts with B Starts with C Animals Sports Fruit AnimalsStarts with A Starts with A Starts with A Starts with B Starts with B Starts with B Starts with C Starts with C Starts with C Sports Fruit Animals Sports Fruit Animals Sports Fruit 🏀 🍎 🏏 🐻 😺 🍌 🍒 Learning About Reshaping Data with Emojis “Stacked” or “Record” FormatPivoted Format 🎯🐜
  • 13. The “Average” NFL Player… …is about 25 years old, just over 6'2" in height, weighs a little more than 244lbs and makes slightly less than $1.5M in salary per year. Can you tell which distribution goes with which trait? Age SalaryWeight Height
  • 24. What are the most common Makes that got towed?
  • 29. Who needs spell check, anyway?
  • 30. What was the effect of cleaning the Make column?
  • 31. What was the effect of the grouping?
  • 33. In 1642, Abel Tasman was the first European to discover New Zealand. He mistakenly though the two islands were connected, and named the area between the Zeehaen’s Bight, after his ship In 1769, over a century later, James Cook was the first European to completely circumnavigate the pair of islands that make up the native home of the Māori people. He correctly noticed that there was a passage through, and the two land masses weren’t connected. The area between them is now knows as Cook’s Strait
  • 47. Ethics and Data Science by DJ Patil, Hilary Mason, Mike Loukides The 5 C’s: • Consent • Clarity • Consistence and Trust • Control and Transparency • Consequences Princeton Case Studies: Automated healthcare app, Dynamic sound identification, Optimizing schools, Law Enforcement ChatBots, Hiring by machine, Public sector data analytics https://aiethics.princeton.edu/case-studies/

Notes de l'éditeur

  1. Ironically starting on Oct 23, 2010 and going through the beginning of 2017 Mention 2 tow yards
  2. 36 different ways of spelling Volkswagen