what is the pse of a linear model? what is the best method to generate data for a linear model generating prediction error in R how do i generate correlations which r model generates the pse of a model how do i create an mse dataset? how can i use mvrnorm in simulation how to generate data in an R program to measure prediction accuracy? what is the function of mvrnorm in r how to calculate parameter estimates in r how can i predict parameter accuracy which is an example of a linear model what is the pse of the simulation how to model accuracy what is the best method to generate model models what is the pse based on how to generate a model pse what is the function to generate model model how to test pse for models why are parameter estimates correlated to each other