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make pandas df from np array

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russhopper answered on September 10, 2020 Popularity 10/10 Helpfulness 6/10

answer make pandas df from np array

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make pandas df from np array

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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

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Source: www.kite.com

Tags: np pandas python

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Contributed on Oct 30 2020

russhopper

0 Answers Avg Quality 2/10

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np array to df

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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))

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Source: datatofish.com

Tags: dataframe data

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Contributed on Nov 08 2021

Ultimate Gohan

0 Answers Avg Quality 2/10

df to np array

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

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Source: pandas.pydata.org

Tags: np n

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Contributed on Jan 28 2022

Hyperactive Meerkat

0 Answers Avg Quality 2/10

convert a pandas df to a numpy array

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x = df.to_numpy()
x

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Source: www.dataindependent.com

Tags: numpy nump

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Contributed on Aug 02 2021

sir someone

0 Answers Avg Quality 2/10

convert pandas to numpy array

Comment

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'])

print('DataFrame\n----------\n', df)

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

print('\nNumpy Array\n----------\n', arr)

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Source: pythonexamples.org

Tags: numpy nump

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Contributed on Nov 22 2022

Tame Tarantula

0 Answers Avg Quality 2/10

numpy arrauy to df

Comment

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

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: numpy nump

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Contributed on Sep 10 2020

macarrony00

0 Answers Avg Quality 2/10

panda dataframe to numpy matrix

Comment

# Imports
import numpy as np
import pandas as pd


df= pd.read_csv('/content/drive/MyDrive/Colab Notebooks/res_data/temp/file.txt', header = None, delim_whitespace=True, error_bad_lines=False).to_numpy()
df=df.astype(float)  # convert number to float for matric calculations

print(df.shape)  # .... (16, 1) initial shaope
df.resize(4, 4)

print(df)

[[ 1.  2.  3.  4.]
 [ 5.  6.  7.  8.]
 [ 9.  3.  5.  6.]
 [ 8.  9. 79.  0.]]

Popularity 10/10 Helpfulness 2/10 Language python

Source: Grepper

Tags: dataframe data

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Contributed on Sep 23 2022

Niransha

0 Answers Avg Quality 2/10

make pandas df from np array

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convert a pandas df to a numpy array

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