Merge pull request #505 from bids-standard/fix/pet004

fix(pet004): Convert percentages to fractions from 0-1

Author: effigies

pet004/sub-01/pet/sub-01_recording-manual_blood.tsv

@@ -1,14 +1,14 @@
-time	plasma_radioactivity	whole_blood_radioactivity	metabolite_parent_fraction
-0	0	0.00	100
-291	12.58	9.53	61.18
-619.02	14.63	10.93	44.42
-1191	17.63	13.09	33.89
-1789.02	20.66	15.75	28.98
-2715	23.18	18.20	24.77
-3535.98	26.77	20.77	22.94
-3783	33.73	27.06	34.21
-3994.02	32.98	25.98	26.12
-4491	38.21	28.86	25.44
-5383.98	41.19	31.55	24.77
-6340.02	45.96	34.70	-0.22
-7198.98	48.40	35.92	19.11
+time	plasma_radioactivity	whole_blood_radioactivity	metabolite_parent_fraction
+0	0	0.00	1
+291	12.58	9.53	0.6118
+619.02	14.63	10.93	0.4442
+1191	17.63	13.09	0.3389
+1789.02	20.66	15.75	0.2898
+2715	23.18	18.20	0.2477
+3535.98	26.77	20.77	0.2294
+3783	33.73	27.06	0.3421
+3994.02	32.98	25.98	0.2612
+4491	38.21	28.86	0.2544
+5383.98	41.19	31.55	0.2477
+6340.02	45.96	34.70	0.22
+7198.98	48.40	35.92	0.1911