-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=70053 --+------------------------------------------------------------------+ --| Copyright © 2020, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --| https://AppliedMachineLearning.systems | --| Patreon : https://goo.gl/GdXWeN | --+------------------------------------------------------------------+ -- Indicator profile initialization routine function Init() indicator:name("Least Squares MA"); indicator:description(""); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "", 34, 1, 2000); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Up", "Up Line Color", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Down Line Color", "", core.rgb(255, 0, 0)); indicator.parameters:addColor("Neutral", "Neutral Line Color", "", core.rgb(0, 0, 255)); indicator.parameters:addInteger("style", "Line Style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LEVEL_STYLE); indicator.parameters:addInteger("width", "Line Width", "", 3, 1, 5); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- Parameters block local Line; local Period; local first; local source = nil; local lengthvar; -- Routine function Prepare(nameOnly) Period= instance.parameters.Period; Period2= instance.parameters.Period2; local Parameters= Period; local name = profile:id() .. "(" .. instance.source:name() .. ", " .. Parameters .. ")"; instance:name(name); if (nameOnly) then return; end lengthvar = (Period + 1)/3; source = instance.source; first=source:first()+Period; Line = instance:addStream("Line" , core.Line, " Line"," Line",instance.parameters.Up, first ); Line:setWidth(instance.parameters.width); Line:setStyle(instance.parameters.style); Line:setPrecision(math.max(2, source:getPrecision())); end -- Indicator calculation routine function Update(period, mode) if period < source:first()+Period then return; end local sum=0; for i = Period,1,-1 do sum=sum+ ( i - lengthvar)*source[period-Period+i]; end Line[period] = sum*6/(Period*(Period+1)); if Line[period] > Line[period-1] then Line:setColor(period, instance.parameters.Up); elseif Line[period] < Line[period-1] then Line:setColor(period, instance.parameters.Down); else Line:setColor(period, instance.parameters.Neutral); end end