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add numpy array to pandas dataframe

Babylonian Ho answered on August 29, 2021 Popularity 10/10 Helpfulness 6/10

answer add numpy array to pandas dataframe

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add numpy array to pandas dataframe

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#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()

Popularity 10/10 Helpfulness 6/10 Language python

Source: www.statology.org

Tags: add dataframe numpy pandas python

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Contributed on Aug 29 2021

Babylonian Ho

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add numpy array to pandas dataframe

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import numpy as np
import pandas as pd
import scipy.sparse as sparse

df = pd.DataFrame(np.arange(1,10).reshape(3,3))
arr = sparse.coo_matrix(([1,1,1], ([0,1,2], [1,2,0])), shape=(3,3))
df['newcol'] = arr.toarray().tolist()
print(df)

Popularity 9/10 Helpfulness 4/10 Language python

Source: nullorempty.org

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Contributed on Mar 27 2022

Poor Puffin

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add numpy array to pandas dataframe

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