Merge master into release/preview branch for v0.3

Microsoft.ML.sln

@@ -30,8 +30,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.KMeansClusteri
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.PCA", "src\Microsoft.ML.PCA\Microsoft.ML.PCA.csproj", "{58E06735-1129-4DD5-86E0-6BBFF049AAD9}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Maml", "src\Microsoft.ML.Maml\Microsoft.ML.Maml.csproj", "{D956E291-F6E5-4474-9023-91793F45ABEB}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Api", "src\Microsoft.ML.Api\Microsoft.ML.Api.csproj", "{2F636A2C-062C-49F4-85F3-60DCADAB6A43}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Tests", "test\Microsoft.ML.Tests\Microsoft.ML.Tests.csproj", "{64BC22D3-1E76-41EF-94D8-C79E471FF2DD}"
@@ -56,36 +54,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Parquet", "src
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Sweeper", "src\Microsoft.ML.Sweeper\Microsoft.ML.Sweeper.csproj", "{55C8122D-79EA-48AB-85D0-EB551FC1C427}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "docs", "docs", "{E20AF96D-3F66-4065-8A89-BEE479D74536}"
-	ProjectSection(SolutionItems) = preProject
-		docs\README.md = docs\README.md
-		docs\release-notes\0.1\release-0.1.md = docs\release-notes\0.1\release-0.1.md
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "project-docs", "project-docs", "{52794B40-AB8A-41AF-9EF7-799C80D6E0BC}"
-	ProjectSection(SolutionItems) = preProject
-		docs\project-docs\contributing.md = docs\project-docs\contributing.md
-		docs\project-docs\developer-guide.md = docs\project-docs\developer-guide.md
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{76F579E4-B9D2-4A0C-A511-EEFA4B2B829F}"
-	ProjectSection(SolutionItems) = preProject
-		CONTRIBUTING.md = CONTRIBUTING.md
-		README.md = README.md
-		ROADMAP.md = ROADMAP.md
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "building", "building", "{DB751004-5D49-4B88-B78F-29CA9887087D}"
-	ProjectSection(SolutionItems) = preProject
-		docs\building\unix-instructions.md = docs\building\unix-instructions.md
-		docs\building\windows-instructions.md = docs\building\windows-instructions.md
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "specs", "specs", "{2DEFC784-F2B5-44EA-ABBB-0DCF3E689DAC}"
-	ProjectSection(SolutionItems) = preProject
-		docs\specs\mvp.md = docs\specs\mvp.md
-	EndProjectSection
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pkg", "pkg", "{D3D38B03-B557-484D-8348-8BADEE4DF592}"
 	ProjectSection(SolutionItems) = preProject
 		pkg\Directory.Build.props = pkg\Directory.Build.props
@@ -104,6 +72,24 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Microsoft.ML.Parquet", "Mic
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Benchmarks", "test\Microsoft.ML.Benchmarks\Microsoft.ML.Benchmarks.csproj", "{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Maml", "src\Microsoft.ML.Maml\Microsoft.ML.Maml.csproj", "{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Console", "src\Microsoft.ML.Console\Microsoft.ML.Console.csproj", "{362A98CF-FBF7-4EBB-A11B-990BBF845B15}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "build", "build", "{487213C9-E8A9-4F94-85D7-28A05DBBFE3A}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "netstandard2.0", "netstandard2.0", "{9252A8EB-ABFB-440C-AB4D-1D562753CE0F}"
+	ProjectSection(SolutionItems) = preProject
+		pkg\Microsoft.ML\build\netstandard2.0\Microsoft.ML.props = pkg\Microsoft.ML\build\netstandard2.0\Microsoft.ML.props
+		pkg\Microsoft.ML\build\netstandard2.0\Microsoft.ML.targets = pkg\Microsoft.ML\build\netstandard2.0\Microsoft.ML.targets
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Sweeper.Tests", "test\Microsoft.ML.Sweeper.Tests\Microsoft.ML.Sweeper.Tests.csproj", "{3DEB504D-7A07-48CE-91A2-8047461CB3D4}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.LightGBM", "src\Microsoft.ML.LightGBM\Microsoft.ML.LightGBM.csproj", "{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Ensemble", "src\Microsoft.ML.Ensemble\Microsoft.ML.Ensemble.csproj", "{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -158,10 +144,6 @@ Global
 		{58E06735-1129-4DD5-86E0-6BBFF049AAD9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{58E06735-1129-4DD5-86E0-6BBFF049AAD9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{58E06735-1129-4DD5-86E0-6BBFF049AAD9}.Release|Any CPU.Build.0 = Release|Any CPU
-		{D956E291-F6E5-4474-9023-91793F45ABEB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{D956E291-F6E5-4474-9023-91793F45ABEB}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{D956E291-F6E5-4474-9023-91793F45ABEB}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{D956E291-F6E5-4474-9023-91793F45ABEB}.Release|Any CPU.Build.0 = Release|Any CPU
 		{2F636A2C-062C-49F4-85F3-60DCADAB6A43}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{2F636A2C-062C-49F4-85F3-60DCADAB6A43}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2F636A2C-062C-49F4-85F3-60DCADAB6A43}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -202,6 +184,26 @@ Global
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -219,7 +221,6 @@ Global
 		{7288C084-11C0-43BE-AC7F-45DCFEAEEBF6} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{F1CAE3AB-4F86-4BC0-BBA8-C4A58E7E8A4A} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{58E06735-1129-4DD5-86E0-6BBFF049AAD9} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
-		{D956E291-F6E5-4474-9023-91793F45ABEB} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{2F636A2C-062C-49F4-85F3-60DCADAB6A43} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{64BC22D3-1E76-41EF-94D8-C79E471FF2DD} = {AED9C836-31E3-4F3F-8ABC-929555D3F3C4}
 		{FDA2FD2C-A708-43AC-A941-4D941B0853BF} = {AED9C836-31E3-4F3F-8ABC-929555D3F3C4}
@@ -230,12 +231,16 @@ Global
 		{B7B593C5-FB8C-4ADA-A638-5B53B47D087E} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{16BB1454-2108-40E5-B3A6-594654005303} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{55C8122D-79EA-48AB-85D0-EB551FC1C427} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
-		{52794B40-AB8A-41AF-9EF7-799C80D6E0BC} = {E20AF96D-3F66-4065-8A89-BEE479D74536}
-		{DB751004-5D49-4B88-B78F-29CA9887087D} = {E20AF96D-3F66-4065-8A89-BEE479D74536}
-		{2DEFC784-F2B5-44EA-ABBB-0DCF3E689DAC} = {E20AF96D-3F66-4065-8A89-BEE479D74536}
 		{DEC8F776-49F7-4D87-836C-FE4DC057D08C} = {D3D38B03-B557-484D-8348-8BADEE4DF592}
 		{6C95FC87-F5F2-4EEF-BB97-567F2F5DD141} = {D3D38B03-B557-484D-8348-8BADEE4DF592}
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F} = {AED9C836-31E3-4F3F-8ABC-929555D3F3C4}
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
+		{487213C9-E8A9-4F94-85D7-28A05DBBFE3A} = {DEC8F776-49F7-4D87-836C-FE4DC057D08C}
+		{9252A8EB-ABFB-440C-AB4D-1D562753CE0F} = {487213C9-E8A9-4F94-85D7-28A05DBBFE3A}
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4} = {AED9C836-31E3-4F3F-8ABC-929555D3F3C4}
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {41165AF1-35BB-4832-A189-73060F82B01D}

README.md

@@ -18,7 +18,7 @@ Along with these ML capabilities this first release of ML.NET also brings the fi
 
 ML.NET runs on Windows, Linux, and macOS - any platform where 64 bit [.NET Core](https://github.com/dotnet/core) or later is available.
 
-The current release is 0.1. Check out the [release notes](docs/release-notes/0.1/release-0.1.md).
+The current release is 0.2. Check out the [release notes](docs/release-notes/0.2/release-0.2.md).
 
 First ensure you have installed [.NET Core 2.0](https://www.microsoft.com/net/learn/get-started) or later. ML.NET also works on the .NET Framework. Note that ML.NET currently must run in a 64 bit process.
 
@@ -66,7 +66,7 @@ Here's an example of code to train a model to predict sentiment from text sample
 
 ```C#
 var pipeline = new LearningPipeline();
-pipeline.Add(new TextLoader<SentimentData>(dataPath, separator: ","));
+pipeline.Add(new TextLoader(dataPath).CreateFrom<SentimentData>(separator: ','));
 pipeline.Add(new TextFeaturizer("Features", "SentimentText"));
 pipeline.Add(new FastTreeBinaryClassifier());
 var model = pipeline.Train<SentimentData, SentimentPrediction>();
@@ -84,6 +84,9 @@ SentimentPrediction prediction = model.Predict(data);
 
 Console.WriteLine("prediction: " + prediction.Sentiment);
 ```
+## Samples
+
+We have a [repo of samples](https://github.com/dotnet/machinelearning-samples) that you can look at.
 
 ## License
 

build/BranchInfo.props

@@ -1,8 +1,8 @@
 <Project>
   <PropertyGroup>
     <MajorVersion>0</MajorVersion>
-    <MinorVersion>2</MinorVersion>
+    <MinorVersion>3</MinorVersion>
     <PatchVersion>0</PatchVersion>
     <PreReleaseLabel>preview</PreReleaseLabel>
   </PropertyGroup>
-</Project>
+</Project>

build/Dependencies.props

@@ -6,7 +6,7 @@
     <SystemThreadingTasksDataflowPackageVersion>4.8.0</SystemThreadingTasksDataflowPackageVersion>
     <SystemCodeDomPackageVersion>4.4.0</SystemCodeDomPackageVersion>
     <SystemReflectionEmitLightweightPackageVersion>4.3.0</SystemReflectionEmitLightweightPackageVersion>
-    <SystemValueTupleVersion>4.4.0</SystemValueTupleVersion>
     <PublishSymbolsPackageVersion>1.0.0-beta-62824-02</PublishSymbolsPackageVersion>
+	<LightGBMPackageVersion>2.1.2.2</LightGBMPackageVersion>
   </PropertyGroup>
 </Project>

docs/building/unix-instructions.md

@@ -42,9 +42,11 @@ macOS 10.12 or higher is needed to build dotnet/machinelearning.
 
 On macOS a few components are needed which are not provided by a default developer setup:
 * cmake 3.10.3
+* gcc
 * All the requirements necessary to run .NET Core 2.0 applications. To view macOS prerequisites click [here](https://docs.microsoft.com/en-us/dotnet/core/macos-prerequisites?tabs=netcore2x).
 
-One way of obtaining CMake is via [Homebrew](http://brew.sh):
+One way of obtaining CMake and gcc is via [Homebrew](http://brew.sh):
 ```sh
 $ brew install cmake
+$ brew install gcc
 ```