안녕하세요 예스스탁입니다. 올려주신 수식은 변환이 어렵습니다. 해당 언어에 능숙하지 않아 내용파악이 되지 않습니다. 도움을 드리지 못해 죄송합니다. 즐거운 하루되세요 > spotyt 님이 쓴 글입니다. > 제목 : Nadaraya-Watson Envelope > MT4 지표인데 예스로 변환 부탁드립니다. //+------------------------------------------------------------------+ //| nd.mq5 | //| Copyright 2022, MetaQuotes Ltd. | //| https://www.mql5.com | //+------------------------------------------------------------------+ #property copyright "Copyright 2022, Grasco." #property version "1.00" #property indicator_chart_window #property indicator_buffers 3 #property indicator_plots 2 #property indicator_type1 DRAW_LINE #property indicator_type2 DRAW_LINE #property indicator_width1 2 #property indicator_width2 2 #property indicator_color1 Blue #property indicator_color2 Red #property indicator_applied_price PRICE_WEIGHTED //--- input parameters input int Length=500; // Bars Count input int Bandwidth=17; // Bandwidth input double Multiplayer=1.5; // n = get the bar index //--- indicator buffers double ExtUpBuffer[]; double ExtDownBuffer[]; double ExtCABuffer[]; double y[]; // for calculation int ExtBarsHandle; int k = 2; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit(){ //--- indicator buffers mapping SetIndexBuffer(0,ExtUpBuffer); SetIndexBuffer(1,ExtDownBuffer); SetIndexBuffer(2,y,INDICATOR_CALCULATIONS); //--- IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1); //--- sets first bar from what index will be drawn PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,0); PlotIndexGetInteger(1,PLOT_DRAW_BEGIN,0); PlotIndexSetDouble(0, PLOT_EMPTY_VALUE, 0.0); PlotIndexSetDouble(1, PLOT_EMPTY_VALUE, 0.0); //--- name for DataWindow string short_name=StringFormat("Nadraya",Length); IndicatorSetString(INDICATOR_SHORTNAME,short_name); PlotIndexSetString(0,PLOT_LABEL,short_name+" Upper"); PlotIndexSetString(1,PLOT_LABEL,short_name+" Lower"); ExtBarsHandle = iMA(_Symbol,_Period,Length,0,MODE_EMA,PRICE_WEIGHTED); return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, const int begin, const double &price[]) { //--- if(IsStopped()) return 0; int calculated=BarsCalculated(ExtBarsHandle); if(rates_total<calculated) return(0); if(rates_total<Length) return(0); int copyBars = 0; if (prev_calculated>rates_total || prev_calculated<=0){ copyBars = rates_total; } else{ copyBars = rates_total-prev_calculated; if(prev_calculated>0) copyBars++; } int start=prev_calculated-1; if(start<Length) start=Length; double sum_e = 0.0; for(int i=rates_total-Length; i<rates_total && !IsStopped(); i++){ double sum = 0.0; double sumw= 0.0; for(int j = rates_total-Length;j<rates_total-1;j++){ double w = MathExp(-(MathPow(i-j,2)/(Bandwidth*Bandwidth*2))); sum += price[j]*w; sumw += w; } double y2 = sum/sumw; sum_e += (MathAbs(price[i]-y2)); y[i] = y2; } double mae = sum_e/Length*Multiplayer; for(int i=rates_total-Length+1; i<rates_total && !IsStopped(); i++){ double y2 = y[i]; double y1 = y[i-1]; ExtUpBuffer[i]=y2+mae; ExtDownBuffer[i]=y2-mae; //Print(mae); //Print(y[i]); } //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+