Cross-industry standard process for data mining, known as CRISP-DM.

Six stages of CRISP-DM

1. Business Understanding
2. Data Understanding
3. Data Preparation
4. Modeling
5. Evaluation
6. Deployment
   

Top-down vs. Bottom-up

Data scientists may use either a “top-down” approach or a “bottom-up” approach to data science.

• “Top-down” approach:
  • first defining a business problem then analyzing the data to find a solution
• “Bottom-up” approach:
  • starting with the data, and then coming up with a business problem based on the data