import numpy as np
url = 'https://gist.githubusercontent.com/ahcamachod/9be09de793dc3bf1e6c3d98eb4e5b1ef/raw/21b85572693200040e11284ef6dcfc3457ec8e11/citrus.csv'
datos = np.loadtxt(url,delimiter = ',', usecols=np.arange(1, 6, 1), skiprows=1)
print(datos)
[[ 2.96 86.76 172. 85. 2. ] [ 3.91 88.05 166. 78. 3. ] [ 4.42 95.17 156. 81. 2. ] ... [ 15.59 256.5 168. 82. 20. ] [ 15.92 260.14 142. 72. 11. ] [ 16.45 261.51 152. 74. 2. ]]