Question: how to do these questions using strata? Develop a model to predict body weight, that only contains significant predictors. Initially consider the following independent variables:
how to do these questions using strata?
Develop a model to predict body weight, that only contains significant predictors. Initially consider the following independent variables:
- Sex
- Site
- Height
- Age
- HEPC
- Species
Present your first as well as the final model by copying the respective command and the output as a picture from Stata to this document.
What approach did you choose for variable selection? Justify your approch Is your model significant? Present your p - value ?
In your own words, explain what the R2 value represents
Which independent variable is the greatest predictor for weight? Explain the impact the predictor has on weight if all other variables remain constant.
How does weight differ with age if all other variables remain constant?
What method would you have chosen to predict HEPC (Presence or absence of hepatitis C infection) and why?
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