'Hurdle models' diaporamas de présentation

8. Heterogeneity: Latent Class Models

8. Heterogeneity: Latent Class Models. Latent Classes. A population contains a mixture of individuals of different types (classes) Common form of the data generating mechanism within the classes Observed outcome y is governed by the common process F( y| x , ? j )

809 views • 66 slides

7. Models for Count Data, Inflation Models

7. Models for Count Data, Inflation Models. Models for Count Data. Doctor Visits. Basic Model for Counts of Events. E.g., Visits to site, number of purchases, number of doctor visits Regression approach Quantitative outcome measured Discrete variable, model probabilities

829 views • 63 slides

7. Models for Count Data, Inflation Models

7. Models for Count Data, Inflation Models. Models for Count Data. Doctor Visits. Basic Model for Counts of Events. E.g., Visits to site, number of purchases, number of doctor visits Regression approach Quantitative outcome measured Discrete variable, model probabilities

819 views • 63 slides

An Ecological Trap for Ecologists: Zero-Modified Models

279 views • 27 slides