Data (art &) Science
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Transcript of Data (art &) Science
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Different Capabilities
• Executing supervised and unsupervised learning algorithms
• Execution of complex calculations • Discern between different and
significantly different • Estimate and apply multivariate
weights • … etc.
• Cognitive abil it ies • Access to additional info • Powerful distinctions
Let’s call this “Art” Let’s call this “Science”
Machine Processing Expert-Human Processing
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1 2 3
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Algorithms: our differen:a:ng asset • 35% of Amazon sales are driven from recommendations • 50% of LinkedIn connections are driven by recommendations • 75% of Netflix videos watched are from recommendations • 100% of Stitch Fix merchandise is sold by recommendations
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c[]i = { size: ’M’, height: 66,
age: 31,is_mom: True, occupation: ’Teacher’,city: ‘Austin’,
shoulder_fit_pref: ‘tight’, hip_fit_pref: ‘loose’,
color_pref: [‘blue’, ‘green’, ‘mauve’], dress_price_pref: ’50-100’, past_purchases: [5008, 808, 11508, 2204, 3553],
profile_note: ‘I am a teacher. My clothes need to be
appropriate for both the office as well
as 3rd-graders’,pinterest_link: 'http://pinterest.com/stitchfix/
1234',
...}
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Scaling
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Benefits of Systematizing
1. Scale 2. Specialization 3. Feedback 4. Controlled Variation
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Feedback for more Learning
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random()
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Controlled Variation for more Exploration
random()
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Generalizing
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Common business processes
Systematize when: • Both Art & Science are required • The process can benefit from
• Scale • Specialization • Feedback • Controlled Variation
Content Produc:on
Pricing
Partner Management
Fraud Detec:on
Etc.
Merchandising
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Building the capability
Process
Technology
People
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People
Skills: • Frame the optimization problem • Train & implement algorithms • Design systems, processes, and workflows • Write production code • Communicate beautifully • Design experiments & measurement • Evangelize adoption • …etc.
1. From Dan Pink’s book, “Drive”
They do exist. The horns are not always visible in early development.
Grow them with big roles that provide autonomy, mastery, purpose1
Data Scientists need to become Data Artists.
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Process
1. Form a strong partnership between data science and functional team
2. Make them accountable 3. Practice proper experimental design
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Technology
f (�) algorithms Custom App
1. Build custom solutions 2. Build APIs 3. Invest in a logging pipeline
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Enable a ‘Power’1
A capability becomes a “Power” if: 1. It enables Superior returns 2. The returns are Significantly differentiating 3. The capability is Sustainable (hard to copy)
1. See works of Hamilton Helmer, Stanford Consulting Professor, https://economics.stanford.edu/faculty/helmer
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Summary
• Expert human judgment (Art) and machine processing (Science) contribute differently to strategic capabilities
• Some processes call precisely for their combination • Systematizing gets you: Scale, Specialization, Feedback, Controlled Variation • Building the capability requires the right people, process, technology • The capability can enable a ‘power’
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Thank you. Questions?