Answers for "Convert Dataframe to an array"

7

dataframe object to numpy array

import pandas as pd

#initialize a dataframe
df = pd.DataFrame(
	[[21, 72, 67],
	[23, 78, 69],
	[32, 74, 56],
	[52, 54, 76]],
	columns=['a', 'b', 'c'])

#convert dataframe to numpy array
arr = df.to_numpy()

print('\nNumpy Array\n----------\n', arr)
Posted by: Guest on August-22-2020
10

convert dataframe to numpy array

>>> pd.DataFrame({"A": [1, 2], "B": [3, 4]}).to_numpy()
array([[1, 3],
       [2, 4]])
Posted by: Guest on February-21-2020
0

Convert Dataframe to an array

import numpy as np
import pandas as pd
  
  
arr = np.random.rand(4, 3)
print("Numpy array:")
print(arr)
  
# convert numpy array to dataframe
df = pd.DataFrame(arr, columns =['A', 'B', 'C'])
print("\nPandas DataFrame: ")
df
Posted by: Guest on August-25-2021

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