Improvement to the 102 Notebook

Add `ComputeModelStatistics` and simplify import.

Fixes #24.

notebooks/samples/102 - Regression Example with Flight Delay Dataset.ipynb

@@ -91,7 +91,7 @@
    },
    "outputs": [],
    "source": [
-    "from mmlspark.TrainRegressor import TrainRegressor\n",
+    "from mmlspark import TrainRegressor\n",
     "from pyspark.ml.regression import LinearRegression\n",
     "from pyspark.ml.feature import StringIndexer\n",
     "# Convert columns to categorical\n",
@@ -123,6 +123,26 @@
     "scoredData.limit(10).toPandas()"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Compute model metrics against the entire scored dataset"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "from mmlspark import ComputeModelStatistics\n",
+    "metrics = ComputeModelStatistics().transform(scoredData)\n",
+    "metrics.toPandas()"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},