namespaces re-organisation & cleanup

- move algorithms to `AI.Algorithms` instead of `AI.MachineLearning`
- move Machine to `AI.Machine` instead of repeating `AI.Machine.Machine`
- get rid of old `Regression.cs` file that's no longer needed, see #8 for updated notes

src/DynAI/MachineLearning/SimpleLinearRegression.cs → src/DynAI/Algorithms/SimpleLinearRegression.cs

@@ -1,12 +1,14 @@
 using Accord.Math.Random;
 using Accord.Statistics.Models.Regression.Linear;
-using AI.Machine;
 using Autodesk.DesignScript.Runtime;
 using System;
 using System.Collections.Generic;
 
-namespace AI.MachineLearning.Regression
+namespace AI.Algorithms.Regression
 {
+    /// <summary>
+    ///  In linear regression, the model specification is that the dependent variable, y is a linear combination of the parameters (but need not be linear in the independent variables). 
+    /// </summary>
     public class SimpleLinearRegression : IAlgorithm
     {
         #region Interface Properties

src/DynAI/Machine/IAlgorithm.cs → src/DynAI/Interfaces/IAlgorithm.cs

@@ -1,11 +1,7 @@
 using Autodesk.DesignScript.Runtime;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace AI.Machine
+namespace AI
 {
     [IsVisibleInDynamoLibrary(false)]
     public interface IAlgorithm

src/DynAI/Machine/IMachine.cs → src/DynAI/Interfaces/IMachine.cs

@@ -1,7 +1,7 @@
 using System;
 using Autodesk.DesignScript.Runtime;
 
-namespace AI.Machine
+namespace AI
 {
     /// <summary>
     /// The generic capabilities of a machine, used for machine learning

src/DynAI/Machine/MachineBase.cs → src/DynAI/Machine/Machine.cs

@@ -1,9 +1,8 @@
 using System;
 using AI.Utilities;
 using Autodesk.DesignScript.Runtime;
-using AI.Machine;
 
-namespace AI.Machine
+namespace AI
 {
     /// <summary>
     /// Machines are entities that can leverage different algorithms to learn from training data and then predict new values.

src/DynAI/MachineLearning.cs

@@ -9,7 +9,7 @@
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AI.MachineLearning
+namespace AI.Algorithms
 {
     #region Linear Regression
 

src/DynAI/MachineLearning.csproj

@@ -78,12 +78,10 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="MachineLearning\Regression.cs" />
-    <Compile Include="MachineLearning\SimpleLinearRegression.cs" />
-    <Compile Include="Machine\IAlgorithm.cs" />
-    <Compile Include="Machine\IMachine.cs" />
-    <Compile Include="Machine\MachineBase.cs" />
-    <Compile Include="Machine\RegressionMachine.cs" />
+    <Compile Include="Algorithms\SimpleLinearRegression.cs" />
+    <Compile Include="Interfaces\IAlgorithm.cs" />
+    <Compile Include="Interfaces\IMachine.cs" />
+    <Compile Include="Machine\Machine.cs" />
     <Compile Include="Utils\JSON.cs" />
     <Compile Include="MachineLearning.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />