graphconnect europe 2016 - who cares what beyonce ate for lunch? - alicia powers
TRANSCRIPT
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By Dr. Alicia Powers
Who Cares What
Ate for Lunch? Beyoncé
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Who am I?
• DataScien*stfromNewYorkCity
• FirstNeo4Jproject,UsedR
• Modelthatisunderstandable,explora*oniseasyandqualityrecs.
• Inspiredbytryingtounderstandfoodanditsconnec*ontohealth
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Obesity Rate for Several Countries
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National Health & Nutrition Examination Survey (2012)
9,338 People
Ages: Newborn to 80 years old
All food & drink consumption for 2 days
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What we know
5,192 foods � 90,673 meals � 4,722 food characteristics
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How does it connect?
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What this looks like in Graph Form
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Ladies Who Lunch
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Obesity in the US
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Top Food and Drink Consumed
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Solutions? • Celebrity diets
• Diet books
• Drugs
• Surgeries
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So what does Beyoncé eat?
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One Size Fits All may not work
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We are individuals with different needs and wants
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How we
EAT in the US
Accessibility PleasureNutrition
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Recommendations:
Personalization
• Based on User Data
• Prediction based on similarities
Customization
• User inputs preferences
• User has control
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Recs. algorithms:Personalization
• Collaborative
filtering (e.g. Amazon)
• Content-based filtering (e.g. Netflix and movies)
Customization
• Exclude certain food categories (e.g. allergies, vegetarians)
• Set your daily intake (e.g. Vitamin C)
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Winning Combination:Personalization
• Seems like
magic when it works
Customization
• Treats user as co-creater
• Psychological ownership
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Query 1: Who Needs Help
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Query 1: Who Needs Help - graph
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How do you change eating behaviors successfully?
Make (small) changes that get you closer to your goal
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Recommending
LunchAccessibility:
Not at home
Pleasure:
Person who likes similar
foods
Nutrition:
• Less Sugar• Less than
600 calories
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Winning Combination:Personalization
• Eat like people
with lower BMI but we share food preferences
Customization
• I want to eat out
• I want to eat less than 600 calories
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Personalization
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Personalization Query 2: Who eats like him but…
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Personalization � + �
Customization
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Customization Query 3: Lunch Recommendation
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Limitations
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NEXT STEPS• Need more data points
• Need a feedback loop
• Add activities (e.g. sleep, lifestyle, exercise)
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Possibilties
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Query 4: Beyonce’s Diet
Vegan foods that have similar food characteristics to foods I already like (e.g.
crunchy foods, spicy food)
Personalization:
Customization:
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Celebrity Diet: Sample Size of
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There is power in connection
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Thank you very much
Dr. Alicia Powers New York City
twitter: @apowers411