Answers for "take first two columns of numpy array"

How to select parts of a numpy array

import numpy as np

x = np.array([1,2,4,3,5,1,4,2])#create an array...

x[n]#where n is any value from the size of the array 
	#e.g. x[1] is 2, x[5] is 1.

how to get the first few lines of an ndarray

In [11]: a[:,:2]
Out[11]: 
array([[-0.57098887, -0.4274751 ],
       [-0.22279713, -0.51723555],
       [ 0.67492385, -0.69294472],
       [ 0.41086611,  0.26374238]])