Regression problem

• Predict continuous valued output.

Housing prices (y)

• X:

  • Size of the flat in sqm.
  • Distance from school.
  • Distance from grocery store.
  • City.
  • Area in the city.
  • ...

• How to predict the price based on the input variables?

Size, weight, color, nutrition value of various crops (y)

• X:
  • rainfall
  • amount of sun
  • use of fertilizer
  • ...

Life expectancy at birth (y)

• X:
  • alcohol or drug usage by the mother during the pregnancy
  • age of the mother
  • method of birth (delivery)
  • birth-control used prior to the conception
  • prior pregnencies
  • same for the father where relevant

• A linear line: ax + b?
• Maybe a 2nd degree polynom ax^2 + bx + c?
• An exact match on the known points using very high degree polynom?

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