Df to np array

Make pandas df from np array

numpy_data = np.array([[1, 2], [3, 4]])
df = pd.DataFrame(data=numpy_data, index=["row1", "row2"], columns=["column1", "column2"])
print(df)
>>>
  column1  column2
row1        1        2
row2        3        4

Source: kite.com

Numpy arrauy to df

numpy_data = np.array([[1, 2], [3, 4]])
df = pd.DataFrame(data=numpy_data, index=["row1", "row2"], columns=["column1", "column2"])
print(df)

Df to np array

df = pd.DataFrame({"A": [1, 2], "B": [3.0, 4.5]})
>>> df.to_numpy()
array([[1. , 3. ],
       [2. , 4.5]])

Source: pandas.pydata.org

Convert pandas dataframe to numpy dataframe

DataFrame.to_numpy(dtype=None, copy=False, na_value=<object object>)

Np array to df

import numpy as np
import pandas as pd

my_array = np.array([[11,22,33],[44,55,66]])

df = pd.DataFrame(my_array, columns = ['Column_A','Column_B','Column_C'])

print(df)
print(type(df))

Source: datatofish.com

List dataframe to numpy array

df.values

array([[nan, 0.2, nan],
       [nan, nan, 0.5],
       [nan, 0.2, 0.5],
       [0.1, 0.2, nan],
       [0.1, 0.2, 0.5],
       [0.1, nan, 0.5],
       [0.1, nan, nan]])

Source: stackoverflow.com

Similar codes

6 votes142 views3 answers
Pythin taking input for array
Python
1 vote130 views3 answers
Django reverse
Python
1 vote89 views1 answer
Format listto string pytthon
Python
0 vote159 views1 answer
Dynamic footer in django
Python Django
-86 votes131 views10 answers
Code
Python
45 votes139 views3 answers
Mischievous in spanish
Python
0 vote169 views2 answers
Distribution analysis pandas
Python
3 votes145 views1 answer
Create a relu function in python
Python
0 vote131 views1 answer
Assign exec function to variable python
Python
0 vote132 views1 answer
Save image to file from URL
Python