Data Science life-cycle

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Question/Problem Formulation

• What do want to know?
• What problems are we trying to solve?
• What are the hypotheses we want to test?

Obtain Data

Data acquisition and cleaning

• What dad do we have and what data do we need?
• How will we collect more data
• How do we organize the data for analysis?

Understand the data

Exploratory Data Analysis and

Understand the world

Predictions and inference