Update R installation version

Algorithm.CSharp/QuantConnect.Algorithm.CSharp.csproj

@@ -74,7 +74,7 @@
     <PackageReference Include="Accord.MachineLearning" Version="3.6.0" />
     <PackageReference Include="Accord.Math" Version="3.6.0" />
     <PackageReference Include="Accord.Statistics" Version="3.6.0" />
-    <PackageReference Include="DynamicInterop" Version="0.7.4" />
+    <PackageReference Include="DynamicInterop" Version="0.9.1" />
     <PackageReference Include="MathNet.Numerics" Version="4.15.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="5.0.3">
       <PrivateAssets>all</PrivateAssets>
@@ -83,7 +83,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="NodaTime" Version="3.0.5" />
     <PackageReference Include="QuantConnect.pythonnet" Version="1.0.5.30" />
-    <PackageReference Include="R.NET.Community" Version="1.6.5" />
+    <PackageReference Include="R.NET" Version="1.9.0" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="System.Data.DataSetExtensions" />

DockerfileLeanFoundation

@@ -241,6 +241,11 @@ RUN wget https://cdn.quantconnect.com/h2o/h2o-3.30.0.3.zip && \
     pip install h2o-3.30.0.3/python/h2o-3.30.0.3-py2.py3-none-any.whl && \
     rm -rf h2o-3.30.0.3
 
+# Install R 3.6
+RUN echo deb https://cloud.r-project.org/bin/linux/ubuntu xenial-cran35/ >> /etc/apt/sources.list \
+    && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9 \
+    && apt-get update && apt-fast -y install r-base
+
 # Delete temporary zip files
 RUN rm -rf *.zip *.gz
 

Launcher/QuantConnect.Lean.Launcher.csproj

@@ -36,13 +36,13 @@
     <Message Text="SelectedOptimization $(SelectedOptimization)" Importance="high" />
   </Target>
   <ItemGroup>
-    <PackageReference Include="DynamicInterop" Version="0.7.4" />
+    <PackageReference Include="DynamicInterop" Version="0.9.1" />
     <PackageReference Include="IKVM" Version="8.1.5717.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="5.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="R.NET.Community" Version="1.6.5" />
+    <PackageReference Include="R.NET" Version="1.9.0" />
     <PackageReference Include="System.ComponentModel.Composition" Version="5.0.0" />
   </ItemGroup>
   <ItemGroup>