-- Id: 25054 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=68486 --+------------------------------------------------------------------+ --| Copyright © 2019, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --| Patreon : https://www.patreon.com/mariojemic | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Regression Slope") indicator:description("") indicator:requiredSource(core.Tick) indicator:type(core.Oscillator) indicator.parameters:addGroup("Calculation") indicator.parameters:addInteger("period", "Regression Period", "", 7, 2, 100000) indicator.parameters:addGroup("Line Style") indicator.parameters:addColor("color1", "Line Color", "", core.rgb(0, 255, 0)) indicator.parameters:addInteger("style1", "Line Style", "", core.LINE_SOLID) indicator.parameters:setFlag("style1", core.FLAG_LEVEL_STYLE) indicator.parameters:addInteger("width1", "Line Width", "", 3, 1, 5) end local first local source = nil local out; local indi; -- Routine function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")" instance:name(name) if (nameOnly) then return end source = instance.source; local profile = core.indicators:findIndicator("REGRESSION"); assert(profile ~= nil, "Please, download and install " .. "REGRESSION" .. ".LUA indicator"); local indicatorParams = profile:parameters(); indicatorParams:setInteger("N", instance.parameters.period); indi = core.indicators:create("REGRESSION", source, indicatorParams) out = instance:addStream("Slope", core.Line, "Slope", "Slope", instance.parameters.color1, 0) out:setPrecision(math.max(2, instance.source:getPrecision())); out:setWidth(instance.parameters.width1) out:setStyle(instance.parameters.style1) end function Update(period, mode) indi:update(mode) if period < 1 or not indi.DATA:hasData(period - 1) then return; end out[period] = indi.DATA[period] - indi.DATA[period - 1]; end