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What Is Prediction?

  • (Numerical) prediction is similar to classification
    • construct a model
    • use model to predict continuous or ordered value for a given input
  • Prediction is different from classification
    • Classification refers to predict categorical class label
    • Prediction models continuous-valued functions
  • Major method for prediction: regression
    • model the relationship between one or more independent or predictor variables and a dependent or response variable
  • Regression analysis
    • Linear and multiple regression
    • Non-linear regression
    • Other regression methods: generalized linear model, Poisson regression, log-linear models, regression trees

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