From 1cf4747c21aa2f14e8dfcf2486bd219c0d4d9020 Mon Sep 17 00:00:00 2001
From: Shahab Moradi <shmoradi@microsoft.com>
Date: Sun, 21 Apr 2019 08:49:33 -0700
Subject: [PATCH 1/2] Added xml for the exotic overload of
 CreatePredictionEngine. This is P4 API, and we rarely use it even in our
 codebase. So we don't have samples for it.

---
 src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs b/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs
index 9d85d1c720..93de509653 100644
--- a/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs
+++ b/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs
@@ -317,6 +317,15 @@ public PredictionEngine<TSrc, TDst> CreatePredictionEngine<TSrc, TDst>(ITransfor
             return transformer.CreatePredictionEngine<TSrc, TDst>(_env, ignoreMissingColumns, inputSchemaDefinition, outputSchemaDefinition);
         }
 
+        /// <summary>
+        /// Create a prediction engine for one-time prediction.
+        /// It's mainly used in conjunction with <see cref="Load(Stream, out DataViewSchema)"/>,
+        /// where input schema is extracted during loading the model.
+        /// </summary>
+        /// <typeparam name="TSrc">The class that defines the input data.</typeparam>
+        /// <typeparam name="TDst">The class that defines the output data.</typeparam>
+        /// <param name="transformer">The transformer to use for prediction.</param>
+        /// <param name="inputSchema">Input schema.</param>
         public PredictionEngine<TSrc, TDst> CreatePredictionEngine<TSrc, TDst>(ITransformer transformer, DataViewSchema inputSchema)
             where TSrc : class
             where TDst : class, new()

From 1289c8d626e2425653d0a21e283c8643ccb7f535 Mon Sep 17 00:00:00 2001
From: Shahab Moradi <shmoradi@microsoft.com>
Date: Sun, 21 Apr 2019 10:15:05 -0700
Subject: [PATCH 2/2] More refinement

---
 src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs b/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs
index 93de509653..1010960220 100644
--- a/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs
+++ b/src/Microsoft.ML.Data/Model/ModelOperationsCatalog.cs
@@ -292,7 +292,7 @@ public ITransformer LoadWithDataLoader(string filePath, out IDataLoader<IMultiSt
         }
 
         /// <summary>
-        /// Create a prediction engine for one-time prediction.
+        /// Create a prediction engine for one-time prediction (default usage).
         /// </summary>
         /// <typeparam name="TSrc">The class that defines the input data.</typeparam>
         /// <typeparam name="TDst">The class that defines the output data.</typeparam>