Finite Impulse Response (FIR) Filter

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Finite Impulse Response (FIR) Filter indicator script.

This indicator was originally developed by John F. Ehlers (Stocks & Commodities V. 20:7 (26-31): Zero-Lag Data Smoothers).

NOTE: Ehlers' favorite FIR filter had 1, 2, 3, 3, 2, 1, 0 coefficients.

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