what are the best models to use to predict a population in r what is the best predictive model for r how many input variables in mars what model is the most suitable to fit data what model would i use to fit the data what model to use for adaptive regression what is the best model for predicting a random forest what is the best model to fit to a data set what model is the best to use in r what package has the most robust r model what model should i use to test a prediction which model is the best r model how many variables are in mars which r package is best for prediction of a data set what model should i fit to my data what model does mars use? what is the best data model what is the best model r what is the best model to fit to r which of the following model would i use to fit a data set?