'i9 FddlmZmZmZmZddlmZmZmZGddeZ y))absolute_importdivisionprint_functionunicode_literals)MovingAverageBaseMovAvZeroLagIndicatorcleZdZdZdZdZdddejfdejffZ dZ fd Z xZ S) DicksonMovingAveragea|By Nathan Dickson The *Dickson Moving Average* combines the ``ZeroLagIndicator`` (aka *ErrorCorrecting* or *EC*) by *Ehlers*, and the ``HullMovingAverage`` to try to deliver a result close to that of the *Jurik* Moving Averages Formula: - ec = ZeroLagIndicator(period, gainlimit) - hma = HullMovingAverage(hperiod) - dma = (ec + hma) / 2 - The default moving average for the *ZeroLagIndicator* is EMA, but can be changed with the parameter ``_movav`` .. note:: the passed moving average must calculate alpha (and 1 - alpha) and make them available as attributes ``alpha`` and ``alpha1`` - The 2nd moving averag can be changed from *Hull* to anything else with the param *_hma* See also: - https://www.reddit.com/r/algotrading/comments/4xj3vh/dickson_moving_average )DMA DicksonMA)dma) gainlimit2)hperiod_movav_hmac`|jj|jj|jjg}||jjg|jj dzz }||jj g|jj dzz }|S)Nrr)pperiodrrr notdefaultr)selfplabelss W/var/www/app/trading-bot/venv/lib/python3.12/site-packages/backtrader/indicators/dma.py _plotlabelzDicksonMovingAverage._plotlabel?s}66==$&&"2"2DFFNNCDFFMM?TVV%6%6x%@@@DFFKK=466#4#4V#<<<cLt|jj|jj|jj}|jj |jj }||zdz |j_tt|/y)N)rrr)rg@) r rrrrrrlinesrsuperr __init__)rechull __class__s rr"zDicksonMovingAverage.__init__Esq TVV]](,(8(8%)VV]]4vv{{$&&..{1t)s*  "D24r) __name__ __module__ __qualname____doc__aliasr r EMAHMAparamsrr" __classcell__)r%s@rr r sH2 "E E 599  F 5 5rr N) __future__rrrrrr r r rrr2s$***9835,35r