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Chapter 3   Time Series

3.1   Time series plots

3.1.1   Patterns in time series

The exercise on this page asks you to identify whether a time series has trend, a seasonal pattern, a cyclic pattern or irregular variation.

3.2   Smoothing

3.2.1   Moving averages & exponential smoothing

This exercise asks you to evaluate an exponentially smoothed value and a moving average.

3.3   Trend

3.3.1   Forecasting a future value

This exercise asks you to forecast a future value both using linear regression and exponential smoothing.