domains / families / data / timeseries-detrending

timeseries-detrending

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Tools and techniques for detrending time series data in macroeconomic analysis. Use when working with economic time series that need to be decomposed into trend and cyclical components. Covers HP filter, log transformations for growth series, and correlation analysis of business cycles.

When to use

• decomposing economic time series into trend and cyclical components
• applying HP filter
• log transformations for growth series
• correlation analysis of business cycles
• analyzing business cycle correlations
• comparing volatility across variables
• identifying leading/lagging indicators

When not to use

• series that can be negative
• series already expressed as rates or percentages
• series with zeros

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