/*********************************Provided By: eSignal (Copyright c eSignal), a division of Interactive Data Corporation. 2009. All rights reserved. This sample eSignal Formula Script (EFS) is for educational purposes only and may be modified and saved under a new file name. eSignal is not responsible for the functionality once modified. eSignal reserves the right to modify and overwrite this EFS file with each new release.Description: DSS Bressert (Double Smoothed Stochastic) Version: 1.0 04/10/2009Formula Parameters: Default: pds 10 TriggerLen 5 Overbought 80 Oversold 20 EMAlen 9Notes: Double Smoothed Stochastics (DSS) is designed by William Blaw. It attempts to combine moving average methods with oscillator principles. **********************************/var fpArray = new Array();var bInit = false;function preMain() { setStudyTitle("DSS Bressert"); setCursorLabelName("DSS", 0); setCursorLabelName("Trigger", 1); setDefaultBarFgColor(Color.brown, 0); setDefaultBarFgColor(Color.red, 1); setStudyMax(101); setStudyMin(-1); var x = 0; fpArray[x] = new FunctionParameter("pds", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(10); } fpArray[x] = new FunctionParameter("TriggerLen", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(5); } fpArray[x] = new FunctionParameter("Overbought", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(80); } fpArray[x] = new FunctionParameter("Oversold", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(20); } fpArray[x] = new FunctionParameter("EMAlen", FunctionParameter.NUMBER); with(fpArray[x++]) { setLowerLimit(1); setDefault(9); } }var xDSS = null;var xTrigger = null;function main(pds, TriggerLen, EMAlen, Overbought, Oversold){var nBarState = getBarState(); if (nBarState == BARSTATE_ALLBARS) { if (pds == null) pds = 10; if (TriggerLen == null) TriggerLen = 5; if (Overbought == null) Overbought = 80; if (Oversold == null) Oversold = 20; if (EMAlen == null) EMAlen = 9; } if (bInit == false) { addBand(Overbought, PS_SOLID, 1, Color.blue, 0); addBand(Oversold, PS_SOLID, 1, Color.blue, 1); xDSS = ema(EMAlen,stochK(pds,1,1,ema(EMAlen,stochK(pds,1,1)))); xTrigger = ema(TriggerLen,xDSS); bInit = true; } var nDSS = xDSS.getValue(0); var nTrigger = xTrigger.getValue(0); if(nDSS==null||nTrigger==null) return; return new Array(nDSS,nTrigger);} |
