'i XddlmZmZmZmZddlmZmZGddeZGddeZ y) )absolute_importdivisionprint_functionunicode_literals) IndicatorMovAvcFeZdZdZdZdZddejfdfZdZ dZ y ) StandardDeviationa Calculates the standard deviation of the passed data for a given period Note: - If 2 datas are provided as parameters, the 2nd is considered to be the mean of the first - ``safepow`` (default: False) If this parameter is True, the standard deviation will be calculated as pow(abs(meansq - sqmean), 0.5) to safe guard for possible negative results of ``meansq - sqmean`` caused by the floating point representation. Formula: - meansquared = SimpleMovingAverage(pow(data, 2), period) - squaredmean = pow(SimpleMovingAverage(data, period), 2) - stddev = pow(meansquared - squaredmean, 0.5) # square root See: - http://en.wikipedia.org/wiki/Standard_deviation )StdDev)stddevperiodmovav)safepowTc|jjg}||jjg|jjdzz }|SNrprr notdefaultselfplabelss ]/var/www/app/trading-bot/venv/lib/python3.12/site-packages/backtrader/indicators/deviation.py _plotlabelzStandardDeviation._plotlabel5>66==/DFFLL>DFF$5$5g$>>>ct|jdkDr |j}n;|jj |j |jj }|jj t|j d|jj }t|d}|jjr(tt||z d|j_ yt||z d|j_ y)Nrrg?) lendatasdata1rrdatarpowrabslinesr )rmeanmeansqsqmeans r__init__zStandardDeviation.__init__:s tzz?Q ::D66<< $&&--<@Dc$))Q/ FT1 66>> #C$8# >DJJ  #FVOS 9DJJ rN __name__ __module__ __qualname____doc__aliasr(r Simpleparamsrr,rrr r s3( E Ew 57H JF :rr cDeZdZdZdZdZddejffZdZ dZ y) MeanDeviationaMeanDeviation (alias MeanDev) Calculates the Mean Deviation of the passed data for a given period Note: - If 2 datas are provided as parameters, the 2nd is considered to be the mean of the first Formula: - mean = MovingAverage(data, period) (or provided mean) - absdeviation = abs(data - mean) - meandev = MovingAverage(absdeviation, period) See: - https://en.wikipedia.org/wiki/Average_absolute_deviation )MeanDev)meandevrrc|jjg}||jjg|jjdzz }|Srrrs rrzMeanDeviation._plotlabel_rrctt|jdkDr |j}n;|jj |j |jj }t|j |z }|jj ||jj |j_ y)Nrr ) r"r#r$rrr%rr'r(r9)rr)absdevs rr,zMeanDeviation.__init__dsu tzz?Q ::D66<< $&&--<@DTYY%&!VV\\&\G rNr-r5rrr7r7Is1 E Ew 5 7F Hrr7N) __future__rrrrrr r r7r5rrr?s/***+: +:\"HI"Hr