readme

Source/Basics/ZL_Series.cs

@@ -0,0 +1,35 @@
+namespace QuanTAlib;
+using System;
+
+/* <summary>
+ZL: Zero Lag
+    Data is de-lagged by removing the data from “lag” days ago, thus removing 
+    (or attempting to) the cumulative effect of the moving average.
+
+Calculation:
+    Lag = (Period-1)/2
+    ZL = Data + (Data - Data(Lag days ago) ) 
+
+Sources:
+     https://mudrex.com/blog/zero-lag-ema-trading-strategy/
+
+</summary> */
+
+public class ZL_Series : Single_TSeries_Indicator
+{
+    public ZL_Series(TSeries source, int period, bool useNaN = false) : base(source, period:period, useNaN:useNaN) {
+        if (this._data.Count > 0) { base.Add(this._data); }
+    }
+
+    public override void Add((DateTime t, double v) TValue, bool update)
+    {
+        int _lag = (int)((_p-1) * 0.5);
+        _lag = (_data.Count-_lag < 0) ? 0 : _data.Count-_lag;
+
+        double _zl = TValue.v + (TValue.v - _data[_lag].v);
+
+        var ret = (TValue.t, (base.Count==0 && base._NaN) ? double.NaN : _zl );
+        base.Add(ret, update);
+
+    }
+}

Source/QuanTAlib.csproj

@@ -51,11 +51,14 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <PackageIcon>images\icon.png</PackageIcon>
+    <PackageIcon>QuanTAlib2.png</PackageIcon>
     <PackageIconUrl>https://raw.githubusercontent.com/mihakralj/QuanTAlib/main/.github/QuanTAlib2.png</PackageIconUrl>
+    <SignAssembly>False</SignAssembly>
+    <AssemblyOriginatorKeyFile>C:\Dropbox\SSH keys\Certum\MihaKralj_OpenSource.pem</AssemblyOriginatorKeyFile>
+    <DelaySign>True</DelaySign>
   </PropertyGroup>
   <ItemGroup>
-    <None Include="..\.github\QuanTAlib2.png" Pack="true" Visible="false" PackagePath="images\icon.png" />
+    <None Include="..\.github\QuanTAlib2.png" Pack="true" Visible="false" PackagePath="\" />
   </ItemGroup>
 
   <ItemGroup>