Data Transformation & Time Series

What this note covers

1. Linearising Data with the Squared, Log10 and Reciprocal Transformations
2. Fitting and Using a Transformed Regression Equation
3. Time Series Components and Reading a Time Series Plot
4. Smoothing: Moving-Mean and Moving-Median
5. Seasonal Indices and Deseasonalising
6. Least-Squares Trend Lines and Forecasting

6 sections · 14 key terms & formulas · 6 common mistakes