Ask questions, such as.

• What data is needed to solve the business problem?
• What quantity of data is required?
• Do you have enough data to build a model?
• Do you need more data to extend the existing data?
• Ho...

NASA's best space mission was the Apollo, taking humans along. The Apollo trips brought moonrocks home. The astronauts gathered data that helped us learn the likely age of the moon and what it's made of.

At some point, you'll need to consider which data source and analytical strategy are most likely to give the answers you need.

• Consider whether your question would be best addressed by qualitative data (interviews, observations, or historical re...