[AutoML] take dependency on a specific ml.net version (#3610)

* take dependency on a specific ml.net version

* catch up to spelling fix for OptimizationTolerance

Author: Dmitry-A

Microsoft.ML.AutoML.sln

@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.28010.2050	
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.AutML", "src\Microsoft.ML.AutoML\Microsoft.ML.AutoML.csproj", "{B3727729-3DF8-47E0-8710-9B41DAF55817}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.AutoML", "src\Microsoft.ML.AutoML\Microsoft.ML.AutoML.csproj", "{B3727729-3DF8-47E0-8710-9B41DAF55817}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.AutoML.Tests", "test\Microsoft.ML.AutoML.Tests\Microsoft.ML.AutoML.Tests.csproj", "{55ACB7E2-053D-43BB-88E8-0E102FBD62F0}"
 EndProject

nuget.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <packageSources>
+        <add key="DotNetMyGet" value="https://dotnet.myget.org/F/dotnet-core/api/v3/index.json" protocolVersion="3" />
+    </packageSources>
+</configuration>

src/Microsoft.ML.AutoML/Microsoft.ML.AutoML.csproj

@@ -9,10 +9,14 @@
     <IncludeInPackage>Microsoft.ML.AutoML</IncludeInPackage>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <MlDotNetPackageVersion>1.0.0-preview-27625-16</MlDotNetPackageVersion>
+  </PropertyGroup>
+
   <ItemGroup>
-    <PackageReference Include="Microsoft.ML" Version="1.0.0-preview" />
-    <PackageReference Include="Microsoft.ML.LightGBM" Version="1.0.0-preview" />
-    <PackageReference Include="Microsoft.ML.Mkl.Components" Version="1.0.0-preview" />
+    <PackageReference Include="Microsoft.ML" Version="$(MlDotNetPackageVersion)" />
+    <PackageReference Include="Microsoft.ML.LightGBM" Version="$(MlDotNetPackageVersion)" />
+    <PackageReference Include="Microsoft.ML.Mkl.Components" Version="$(MlDotNetPackageVersion)" />
   </ItemGroup>
 
   <PropertyGroup>

src/Microsoft.ML.AutoML/TrainerExtensions/SweepableParams.cs

@@ -53,7 +53,7 @@ private static IEnumerable<SweepableParam> BuildLbfgsArgsParams()
             return new SweepableParam[] {
                 new SweepableFloatParam("L2Regularization", 0.0f, 1.0f, numSteps: 4),
                 new SweepableFloatParam("L1Regularization", 0.0f, 1.0f, numSteps: 4),
-                new SweepableDiscreteParam("OptmizationTolerance", new object[] { 1e-4f, 1e-7f }),
+                new SweepableDiscreteParam("OptimizationTolerance", new object[] { 1e-4f, 1e-7f }),
                 new SweepableDiscreteParam("HistorySize", new object[] { 5, 20, 50 }),
                 new SweepableLongParam("MaximumNumberOfIterations", 1, int.MaxValue),
                 new SweepableFloatParam("InitialWeightsDiameter", 0.0f, 1.0f, numSteps: 5),