Re-analysis and generation of Overstay2 model: Difference between revisions
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*Training data set - Methodology to find the '''best''' model involves | *Training data set - Methodology to find the '''best''' model involves | ||
** Basic plan for selecting the variables for the model - | ** Basic plan for selecting the variables for the model - | ||
*** | *** Perform logistic model with the OS as the dependent variable and the independent variables beginning with the results from univariable analysis above and | ||
*** | *** Then by multivariable analysis using all independent variables (full model) and select via stepwise procedure both forward and backward selection. | ||
*** Examine the importance of each variable included based on the probability result of its coefficient. | *** Examine the importance of each variable included based on the probability result of its coefficient. | ||
*** Those not contributing to the model are eliminated and new model is fitted. The process of deleting, refitting and verifying continues until it appears that all important variables are already included. | *** Those not contributing to the model are eliminated and new model is fitted. The process of deleting, refitting and verifying continues until it appears that all important variables are already included. | ||