Eli Datasense Talk
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Transcript of Eli Datasense Talk
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data
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How data became an important resource
What data scientists do
How Udacity uses data
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1. They don’t know what it’s saying
2. They ignore what it’s saying
2 reasons companies struggle with their big data
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1. They don’t know what it’s saying
2. They ignore what it’s saying
2 reasons companies struggle with big data
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Data analysts turn data into actionable business insights
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Engineering
BusinessDesign
Data Analysts
Product
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data request
build something (model, chart, report,
dashboard, test)
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How Udacity uses Data
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https://www.dropbox.com/s/uf7eoyxj5m0dofn/Screenshot%202016-10-13%2015.31.18.png?dl=0Course Recommendations
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A/B Testing
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Counting
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4 reasons why counting is hard1. Counting requires numerous, often arbitrary decisions2. Counting is easy to understand3. Counting is often high-stakes
http://daynebatten.com/2016/06/counting-hard-data-science/
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WSJ, Sep 2016
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Survival Analysis
Kaplan–Meier estimator
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3. Data VisualizationWhy does it matter?
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Graphic design for scientistsKaren Cheng & Marco RolandiNature Nanotechnology 10, 1084 (2015)
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Small multiples
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Dashboard Design
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