Scaled Features Output

featureScalingOut.scala

+----------------+--------------------+--------------------+
|medianHouseValue|            features|      scaledFeatures|
+----------------+--------------------+--------------------+
|        452600.0|[8.3252,41.0,880....|[2.34470895611761...|
|        358500.0|[8.3014,21.0,7099...|[2.33218146484030...|
|        352100.0|[7.2574,52.0,1467...|[1.78265621721384...|
|        341300.0|[5.6431,52.0,1274...|[0.93294490759373...|
|        342200.0|[3.8462,52.0,1627...|[-0.0128806838430...|
|        269700.0|[4.0368,52.0,919....|[0.08744451941137...|
|        299200.0|[3.6591,52.0,2535...|[-0.1113636089684...|
|        241400.0|[3.12,52.0,3104.0...|[-0.3951270773548...|
|        226700.0|[2.0804,42.0,2555...|[-0.9423363181905...|
|        261100.0|[3.6912,52.0,3549...|[-0.0944672866994...|
|        281500.0|[3.2031,52.0,2202...|[-0.3513861309202...|
|        241800.0|[3.2705,52.0,3503...|[-0.3159091178071...|
|        213500.0|[3.075,52.0,2491....|[-0.4188135104422...|
|        191300.0|[2.6736,52.0,696....|[-0.6300964935813...|
|        159200.0|[1.9167,52.0,2643...|[-1.0285022981105...|
|        140000.0|[2.125,50.0,1120....|[-0.9188604311750...|
|        152500.0|[2.775,52.0,1966....|[-0.5767230643578...|
|        155500.0|[2.1202,52.0,1228...|[-0.9213869840377...|
|        158700.0|[1.9911,50.0,2239...|[-0.9893407287394...|
|        162900.0|[2.6033,52.0,1503...|[-0.6670999657155...|
+----------------+--------------------+--------------------+