Renaming the file

Adding the doc refenrece.

Author: sfilipi

docs/samples/Microsoft.ML.Samples.StaticPipe/Trainiers.cs renamed to docs/samples/Microsoft.ML.Samples.StaticPipe/Trainers.cs

@@ -2,14 +2,10 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using Microsoft.ML.Core.Data;
-using Microsoft.ML.Runtime;
 using Microsoft.ML.Runtime.Data;
 using Microsoft.ML.Runtime.Learners;
-using Microsoft.ML.Trainers;
+using Microsoft.ML.StaticPipe;
 using System;
-using System.IO;
-using System.Text;
 
 namespace Microsoft.ML.Samples.StaticPipe
 {

src/Microsoft.ML.StandardLearners/Standard/SdcaRegression.cs

@@ -25,6 +25,12 @@
 namespace Microsoft.ML.Runtime.Learners
 {
     /// <include file='doc.xml' path='doc/members/member[@name="SDCA"]/*' />
+    /// <example>
+    /// <format type="text/markdown">
+    /// <![CDATA[
+    ///  [!code-csharp[SDCA Regression](../../../docs/samples/Microsoft.ML.Samples.StaticPipe/Trainers.cs?range=5-8,12-14,25-79) "The SDCA regression example."]
+    /// ]]></format>
+    /// </example>
     public sealed class SdcaRegressionTrainer : SdcaTrainerBase<RegressionPredictionTransformer<LinearRegressionPredictor>, LinearRegressionPredictor>
     {
         internal const string LoadNameValue = "SDCAR";

src/Microsoft.ML.StandardLearners/Standard/SdcaStatic.cs

@@ -33,6 +33,12 @@ public static partial class RegressionTrainers
         /// the linear model that was trained.  Note that this action cannot change the result in any way; it is only a way for the caller to
         /// be informed about what was learnt.</param>
         /// <returns>The predicted output.</returns>
+        /// <example>
+        /// <format type="text/markdown">
+        /// <![CDATA[
+        ///  [!code-csharp[SDCA Regression](../../../docs/samples/Microsoft.ML.Samples.StaticPipe/Trainers.cs?range=5-8,12-14,25-79) "The SDCA regression example."]
+        /// ]]></format>
+        /// </example>
         public static Scalar<float> Sdca(this RegressionContext.RegressionTrainers ctx,
             Scalar<float> label, Vector<float> features, Scalar<float> weights = null,
             float? l2Const = null,