how to import numpy array in python
>>> import numpy as np
>>> a = np.array([0, 1, 2, 3])
>>> a
array([0, 1, 2, 3])how to import numpy array in python
>>> import numpy as np
>>> a = np.array([0, 1, 2, 3])
>>> a
array([0, 1, 2, 3])get column or row of matrix array numpy python
test = numpy.array([[1, 2], [3, 4], [5, 6]])
column = test[:,0]
# column == array([1, 3, 5])
row = test[1,:]
# row == array([3, 4])data[:,:2]
X = dataset[:,0:3] is interpreted as "All rows for columns 0 through 3" and y = dataset[:,4] is interpreted as "all rows for column 4".Copyright © 2021 Codeinu
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