Time Series
by Steven White
![Mind Map: Time Series](https://www.mindmeister.com/image/xlarge/726985638/mind-map-time-series.png)
1. Long term trend
1.1. Increasing
1.2. Decreasing
1.3. Constant
2. Seasonal Variation
2.1. Regular
2.1.1. Highs
2.1.2. Lows
2.1.3. Period
2.2. Irregular
3. Residuals
3.1. Less than 10% of variation
3.1.1. Accurate model
3.2. More than 10% of variation
3.2.1. Significant error in forecast