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HoltsMethod

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Oscillators Trend Analysis Volatility forecating prediction
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oscillator trendanalysis volatility forecating prediction
Holt's method (see: otexts.com/fpp2/holt.html)
Holt (1957) extended simple exponential smoothing to allow the forecasting of data with a trend.
This method involves a forecast equation and two smoothing equations (one for the level and one for the trend):

Forecast equation: ŷ = l + h * b
Level equation: l = alpha * y + (1 - alpha) * (l + b)
Trend equation: b = beta * (l - l) + (1 - beta) * b
where h is a step forward or lookahead

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