diff --git a/src/mlpack/tests/data/vc2_test.csv b/src/mlpack/tests/data/vc2_test.csv
index ea8ad28a0f..51ccd39966 100644
--- a/src/mlpack/tests/data/vc2_test.csv
+++ b/src/mlpack/tests/data/vc2_test.csv
@@ -1,67 +1,67 @@
-74.43	41.56	27.7	32.88	107.95	5
-50.21	29.76	36.1	20.45	128.29	5.74
-30.15	11.92	34	18.23	112.68	11.46
-41.17	17.32	33.47	23.85	116.38	-9.57
-47.66	13.28	36.68	34.38	98.25	6.27
-43.35	7.47	28.07	35.88	112.78	5.75
-46.86	15.35	38	31.5	116.25	1.66
-43.2	19.66	35	23.54	124.85	-2.92
-48.11	14.93	35.56	33.18	124.06	7.95
-92.03	35.39	77.42	56.63	115.72	58.06
-67.03	13.28	66.15	53.75	100.72	33.99
-80.82	19.24	61.64	61.58	89.47	44.17
-80.65	26.34	60.9	54.31	120.1	52.47
-68.72	49.43	68.06	19.29	125.02	54.69
-37.9	4.48	24.71	33.42	157.85	33.61
-64.62	15.23	67.63	49.4	90.3	31.33
-75.44	31.54	89.6	43.9	106.83	54.97
-71	37.52	84.54	33.49	125.16	67.77
-81.06	20.8	91.78	60.26	125.43	38.18
-91.47	24.51	84.62	66.96	117.31	52.62
-81.08	21.26	78.77	59.83	90.07	49.16
-60.42	5.27	59.81	55.15	109.03	30.27
-85.68	38.65	82.68	47.03	120.84	61.96
-82.41	29.28	77.05	53.13	117.04	62.77
-43.72	9.81	52	33.91	88.43	40.88
-86.47	40.3	61.14	46.17	97.4	55.75
-74.47	33.28	66.94	41.19	146.47	124.98
-70.25	10.34	76.37	59.91	119.24	32.67
-72.64	18.93	68	53.71	116.96	25.38
-71.24	5.27	86	65.97	110.7	38.26
-63.77	12.76	65.36	51.01	89.82	56
-58.83	37.58	125.74	21.25	135.63	117.31
-74.85	13.91	62.69	60.95	115.21	33.17
-75.3	16.67	61.3	58.63	118.88	31.58
-63.36	20.02	67.5	43.34	131	37.56
-67.51	33.28	96.28	34.24	145.6	88.3
-76.31	41.93	93.28	34.38	132.27	101.22
-73.64	9.71	63	63.92	98.73	26.98
-56.54	14.38	44.99	42.16	101.72	25.77
-80.11	33.94	85.1	46.17	125.59	100.29
-95.48	46.55	59	48.93	96.68	77.28
-74.09	18.82	76.03	55.27	128.41	73.39
-87.68	20.37	93.82	67.31	120.94	76.73
-48.26	16.42	36.33	31.84	94.88	28.34
-65.76	13.21	44	52.55	129.39	-1.98
-40.41	-1.33	30.98	41.74	119.34	-6.17
-48.8	18.02	52	30.78	139.15	10.44
-50.09	13.43	34.46	36.66	119.13	3.09
-64.26	14.5	43.9	49.76	115.39	5.95
-53.68	13.45	41.58	40.24	113.91	2.74
-49	13.11	51.87	35.88	126.4	0.54
-59.17	14.56	43.2	44.6	121.04	2.83
-67.8	16.55	43.26	51.25	119.69	4.87
-61.73	17.11	46.9	44.62	120.92	3.09
-33.04	-0.32	19.07	33.37	120.39	9.35
-74.57	15.72	58.62	58.84	105.42	0.6
-44.43	14.17	32.24	30.26	131.72	-3.6
-36.42	13.88	20.24	22.54	126.08	0.18
-51.08	14.21	35.95	36.87	115.8	6.91
-34.76	2.63	29.5	32.12	127.14	-0.46
-48.9	5.59	55.5	43.32	137.11	19.85
-46.24	10.06	37	36.17	128.06	-5.1
-46.43	6.62	48.1	39.81	130.35	2.45
-39.66	16.21	36.67	23.45	131.92	-4.97
-45.58	18.76	33.77	26.82	116.8	3.13
-66.51	20.9	31.73	45.61	128.9	1.52
-82.91	29.89	58.25	53.01	110.71	6.08
\ No newline at end of file
+74.43,41.56,27.7,32.88,107.95,5
+50.21,29.76,36.1,20.45,128.29,5.74
+30.15,11.92,34,18.23,112.68,11.46
+41.17,17.32,33.47,23.85,116.38,-9.57
+47.66,13.28,36.68,34.38,98.25,6.27
+43.35,7.47,28.07,35.88,112.78,5.75
+46.86,15.35,38,31.5,116.25,1.66
+43.2,19.66,35,23.54,124.85,-2.92
+48.11,14.93,35.56,33.18,124.06,7.95
+92.03,35.39,77.42,56.63,115.72,58.06
+67.03,13.28,66.15,53.75,100.72,33.99
+80.82,19.24,61.64,61.58,89.47,44.17
+80.65,26.34,60.9,54.31,120.1,52.47
+68.72,49.43,68.06,19.29,125.02,54.69
+37.9,4.48,24.71,33.42,157.85,33.61
+64.62,15.23,67.63,49.4,90.3,31.33
+75.44,31.54,89.6,43.9,106.83,54.97
+71,37.52,84.54,33.49,125.16,67.77
+81.06,20.8,91.78,60.26,125.43,38.18
+91.47,24.51,84.62,66.96,117.31,52.62
+81.08,21.26,78.77,59.83,90.07,49.16
+60.42,5.27,59.81,55.15,109.03,30.27
+85.68,38.65,82.68,47.03,120.84,61.96
+82.41,29.28,77.05,53.13,117.04,62.77
+43.72,9.81,52,33.91,88.43,40.88
+86.47,40.3,61.14,46.17,97.4,55.75
+74.47,33.28,66.94,41.19,146.47,124.98
+70.25,10.34,76.37,59.91,119.24,32.67
+72.64,18.93,68,53.71,116.96,25.38
+71.24,5.27,86,65.97,110.7,38.26
+63.77,12.76,65.36,51.01,89.82,56
+58.83,37.58,125.74,21.25,135.63,117.31
+74.85,13.91,62.69,60.95,115.21,33.17
+75.3,16.67,61.3,58.63,118.88,31.58
+63.36,20.02,67.5,43.34,131,37.56
+67.51,33.28,96.28,34.24,145.6,88.3
+76.31,41.93,93.28,34.38,132.27,101.22
+73.64,9.71,63,63.92,98.73,26.98
+56.54,14.38,44.99,42.16,101.72,25.77
+80.11,33.94,85.1,46.17,125.59,100.29
+95.48,46.55,59,48.93,96.68,77.28
+74.09,18.82,76.03,55.27,128.41,73.39
+87.68,20.37,93.82,67.31,120.94,76.73
+48.26,16.42,36.33,31.84,94.88,28.34
+65.76,13.21,44,52.55,129.39,-1.98
+40.41,-1.33,30.98,41.74,119.34,-6.17
+48.8,18.02,52,30.78,139.15,10.44
+50.09,13.43,34.46,36.66,119.13,3.09
+64.26,14.5,43.9,49.76,115.39,5.95
+53.68,13.45,41.58,40.24,113.91,2.74
+49,13.11,51.87,35.88,126.4,0.54
+59.17,14.56,43.2,44.6,121.04,2.83
+67.8,16.55,43.26,51.25,119.69,4.87
+61.73,17.11,46.9,44.62,120.92,3.09
+33.04,-0.32,19.07,33.37,120.39,9.35
+74.57,15.72,58.62,58.84,105.42,0.6
+44.43,14.17,32.24,30.26,131.72,-3.6
+36.42,13.88,20.24,22.54,126.08,0.18
+51.08,14.21,35.95,36.87,115.8,6.91
+34.76,2.63,29.5,32.12,127.14,-0.46
+48.9,5.59,55.5,43.32,137.11,19.85
+46.24,10.06,37,36.17,128.06,-5.1
+46.43,6.62,48.1,39.81,130.35,2.45
+39.66,16.21,36.67,23.45,131.92,-4.97
+45.58,18.76,33.77,26.82,116.8,3.13
+66.51,20.9,31.73,45.61,128.9,1.52
+82.91,29.89,58.25,53.01,110.71,6.08