growth curve models

  1. M

    Longitudinal multilevel modelling- Can likelihood ratio tests be done for time-varying predictors?

    Hello, I plan on using likelihood ratio tests for longitudinal multilevel modelling and using a mixture of static predictors and time-varying predictors. I know that likelihood ratio tests are used for 'nested' models for static predictors when a new static variable is added to the model and...
  2. L

    growth curve models

    hi all, suppose my outcome is total yearly savings ($). i want to use growth curve models to see how 4 different groups change in their savings habit over time. i have variables such as race which don't change. however i also have an income variable which does change every year. how can i use...