## Judging a book by its cover

It seems to me, that judging a prediction model by graphing the results is akin to judging a book by its cover. Random forest was used to fit the regression model, which then was used for prediction. The predicted and actual

## Autocorrelation - A Brief Overview Using R

Definition of Autocorrelation Given a time series , where  denotes the observation at time , the time series is said to show autocorrelation if there is correlation between the lagged values of the time series. The autocorrelation coefficient is the