Answers for "numpy join arrays by column"

numpy merge arrays

>>> a = np.array([[1, 2], [3, 4]])
>>> b = np.array([[5, 6]])
>>> np.concatenate((a, b), axis=0)
array([[1, 2],
       [3, 4],
       [5, 6]])
>>> np.concatenate((a, b.T), axis=1)
array([[1, 2, 5],
       [3, 4, 6]])

cbind arrays python

np.c_[x,y]

numpy put arrays in columns

an_array = np.insert(an_array, 1, new_column, axis=1)