- Trend is like a growth or decay that reflect the tendencies in a data viz. increase or decrease over a time period.
- Most of the time series data have some form of trend.
- And most widely used technique for nullifying a trend is employment of a time index as an independent/explanatory variable in the Regression (or ARIMA) model employed.
Jan 19, 2009
What is a trend in a given time series
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