Data Science Lifecycle: From Problem to Product

Data Scientist 8 min min read Updated: Mar 05, 2026
Data Science Lifecycle: From Problem to Product
Topic 2 of 5

Data Science Lifecycle

In real work, we don’t start with algorithms. We start with a business problem.

Lifecycle I Follow

  • Problem framing: what exactly are we predicting?
  • Data collection: database/APIs/files
  • Cleaning + EDA: find issues, patterns
  • Modeling: baseline β†’ better models
  • Evaluation: metrics + validation
  • Deployment: API/app integration

Related: Roles in Data Science

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