--- a/test-data/feature_selection_result01	Fri Jul 13 03:54:29 2018 -0400
+++ b/test-data/feature_selection_result01	Sat Aug 04 12:33:33 2018 -0400
@@ -1,262 +1,11 @@
-temp_1	average
-69.0	69.7
-59.0	58.1
-88.0	77.3
-65.0	64.7
-50.0	47.5
-51.0	48.2
-52.0	48.6
-78.0	76.7
-35.0	45.2
-40.0	46.1
-47.0	45.3
-72.0	76.3
-76.0	74.4
-39.0	45.3
-78.0	72.2
-71.0	67.3
-48.0	47.7
-72.0	77.0
-57.0	54.7
-40.0	45.1
-54.0	47.6
-58.0	53.2
-68.0	58.6
-65.0	55.3
-47.0	48.8
-44.0	45.6
-64.0	67.1
-62.0	57.1
-66.0	65.7
-70.0	71.8
-57.0	54.2
-50.0	50.5
-55.0	51.8
-55.0	49.5
-42.0	45.2
-65.0	60.1
-63.0	65.6
-48.0	47.3
-42.0	46.3
-51.0	46.2
-64.0	68.0
-75.0	74.6
-52.0	46.7
-67.0	68.6
-68.0	68.7
-54.0	55.0
-62.0	56.8
-76.0	76.1
-73.0	73.1
-52.0	50.3
-70.0	73.9
-77.0	77.4
-60.0	56.6
-52.0	53.3
-79.0	75.0
-76.0	57.2
-66.0	66.5
-57.0	61.8
-66.0	57.4
-61.0	58.4
-55.0	53.1
-48.0	48.1
-49.0	49.2
-65.0	66.7
-60.0	62.5
-56.0	53.0
-59.0	57.4
-44.0	45.7
-82.0	63.2
-64.0	67.0
-43.0	45.5
-64.0	55.7
-63.0	52.7
-70.0	70.6
-71.0	52.4
-76.0	73.5
-68.0	62.1
-39.0	45.3
-71.0	70.7
-69.0	71.7
-74.0	71.5
-81.0	64.1
-51.0	49.3
-45.0	46.8
-87.0	76.8
-71.0	73.8
-55.0	60.3
-80.0	76.9
-67.0	69.0
-61.0	61.4
-46.0	46.6
-39.0	45.1
-67.0	68.3
-52.0	47.8
-67.0	69.8
-75.0	71.2
-68.0	73.3
-92.0	68.2
-67.0	72.8
-44.0	45.8
-61.0	61.0
-65.0	53.4
-68.0	73.0
-87.0	62.1
-117.0	54.8
-80.0	76.4
-57.0	51.0
-67.0	63.6
-58.0	54.0
-65.0	56.2
-52.0	48.6
-59.0	55.3
-57.0	53.9
-81.0	59.2
-75.0	77.1
-76.0	77.4
-57.0	64.8
-69.0	74.2
-77.0	66.8
-55.0	49.9
-49.0	46.8
-54.0	52.7
-55.0	51.2
-56.0	55.6
-68.0	74.6
-54.0	53.4
-67.0	69.0
-49.0	46.9
-49.0	49.1
-56.0	48.5
-73.0	71.0
-66.0	66.4
-69.0	66.5
-82.0	64.5
-90.0	76.7
-51.0	50.7
-77.0	57.1
-60.0	61.4
-74.0	72.8
-85.0	77.2
-68.0	62.8
-56.0	49.5
-71.0	56.2
-62.0	59.5
-83.0	77.3
-64.0	65.4
-56.0	48.4
-41.0	45.1
-65.0	66.2
-65.0	53.7
-40.0	46.0
-45.0	45.6
-52.0	48.4
-63.0	51.7
-52.0	47.6
-60.0	57.9
-81.0	75.7
-75.0	75.8
-59.0	51.4
-73.0	77.1
-75.0	77.3
-60.0	58.5
-75.0	71.3
-59.0	57.6
-53.0	49.1
-79.0	77.2
-57.0	52.1
-75.0	67.6
-71.0	69.4
-53.0	50.2
-46.0	48.8
-81.0	76.9
-49.0	48.9
-57.0	48.4
-60.0	58.8
-67.0	73.7
-61.0	64.1
-66.0	69.5
-64.0	51.9
-66.0	65.7
-64.0	52.2
-71.0	65.2
-75.0	63.8
-48.0	46.4
-53.0	52.5
-49.0	47.1
-85.0	68.5
-62.0	49.4
-50.0	47.0
-58.0	55.9
-72.0	77.2
-55.0	50.7
-74.0	72.3
-85.0	77.3
-73.0	77.3
-52.0	47.4
-67.0	67.6
-45.0	45.1
-46.0	47.2
-66.0	60.6
-71.0	77.0
-70.0	69.3
-58.0	49.9
-72.0	77.1
-74.0	75.4
-65.0	64.5
-77.0	58.8
-59.0	50.9
-45.0	45.7
-53.0	50.5
-53.0	54.9
-79.0	77.3
-49.0	49.0
-63.0	62.9
-69.0	56.5
-60.0	50.8
-64.0	62.5
-79.0	71.0
-55.0	47.0
-73.0	56.0
-60.0	59.1
-67.0	70.2
-42.0	45.2
-60.0	65.0
-57.0	49.8
-35.0	45.2
-75.0	70.3
-61.0	51.1
-51.0	50.6
-71.0	71.9
-74.0	75.3
-48.0	45.4
-74.0	74.9
-76.0	70.8
-58.0	51.6
-51.0	50.4
-72.0	72.6
-76.0	67.2
-52.0	47.9
-53.0	48.2
-65.0	69.1
-58.0	58.1
-77.0	75.6
-61.0	52.9
-67.0	65.3
-54.0	49.3
-79.0	67.4
-77.0	64.3
-71.0	67.7
-58.0	57.7
-68.0	55.9
-40.0	45.4
-80.0	77.3
-74.0	62.3
-57.0	45.5
-52.0	47.8
-71.0	75.1
-49.0	53.6
-89.0	59.0
-60.0	60.2
-59.0	58.3
+0	1
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+-88.5787166225	-2.5710918402200003
+-82.8452345578	-0.168636324107
+72.4951388149	0.991068834926
+11.805182128	-0.7096855607860001
+-63.9354970901	0.9841122108220001
+126.32584079600001	0.35353444883900004
+23.0341392692	1.03188231893
+67.6714937696	-0.8214378651719999
+47.39275848810001	-0.0942409319417