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Introduction
What we will do in this Video
Plot Time Series in Gretl
Run and Visually Examine Linear Trend Model
Run and Visually Examine Quadratic Trend
Run and Visually Examine Exponential Trend
Discussion on Comparing Models with R-squared
Discussion on Comparing Models with RMSE
Store Predictions of each Model
Compare Descriptive Stats of Predictions
Converting ln(retail) to retail
Compare Descriptive Stats of Predictions
Exporting Predictions to Excel
Computing RMSE in Excel
Compare RMSEs
Comparing Models in Gretl