how to append rows to a numpy matrix
import numpy as np
arr = np.empty((0,3), int)
print("Empty array:")
print(arr)
arr = np.append(arr, np.array([[10,20,30]]), axis=0)
arr = np.append(arr, np.array([[40,50,60]]), axis=0)
print("After adding two new arrays:")
print(arr)add numpy array to pandas dataframe
#create NumPy array for 'blocks'
blocks = np.array([2, 3, 1, 0, 2, 7, 8, 2])
#add 'blocks' array as new column in DataFrame
df['blocks'] = blocks.tolist()Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
