By Dr. Alicia Powers

Who Cares What

Ate for Lunch? Beyoncé

Who am I?

•  DataScien*stfromNewYorkCity

•  FirstNeo4Jproject,UsedR

• Modelthatisunderstandable,explora*oniseasyandqualityrecs.

•  Inspiredbytryingtounderstandfoodanditsconnec*ontohealth

Obesity Rate for Several Countries

National Health & Nutrition Examination Survey (2012)

9,338 People

Ages: Newborn to 80 years old

All food & drink consumption for 2 days

What we know

5,192 foods � 90,673 meals � 4,722 food characteristics

How does it connect?

What this looks like in Graph Form

Ladies Who Lunch

Obesity in the US

Top Food and Drink Consumed

Solutions? • Celebrity diets

• Diet books

• Drugs

• Surgeries

So what does Beyoncé eat?

One Size Fits All may not work

We are individuals with different needs and wants

How we

EAT in the US

Accessibility PleasureNutrition

Recommendations:

Personalization

•  Based on User Data

•  Prediction based on similarities

Customization

•  User inputs preferences

•  User has control

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)

Winning Combination:Personalization

•  Seems like

magic when it works

Customization

•  Treats user as co-creater

•  Psychological ownership

Query 1: Who Needs Help

Query 1: Who Needs Help - graph

How do you change eating behaviors successfully?

Make (small) changes that get you closer to your goal

Recommending

LunchAccessibility:

Not at home

Pleasure:

Person who likes similar

foods

Nutrition:

•  Less Sugar•  Less than

600 calories

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

Personalization

Personalization Query 2: Who eats like him but…

Personalization � + �

Customization

Customization Query 3: Lunch Recommendation

Limitations

NEXT STEPS•  Need more data points

•  Need a feedback loop

•  Add activities (e.g. sleep, lifestyle, exercise)

Possibilties

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:

Celebrity Diet: Sample Size of

There is power in connection

Thank you very much

Dr. Alicia Powers New York City

twitter: @apowers411