Answers for "data frame in python"

6

create a dataframe python

import numpy as np
import pandas as pd
vect1=np.zeros(10)
vect2=np.ones(10)
df=pd.DataFrame({'col1':vect1,'col2':vect2})
Posted by: Guest on March-21-2020
10

create dataframe panndas

import pandas as pd

data = {'First Column Name':  ['First value', 'Second value',...],
        'Second Column Name': ['First value', 'Second value',...],
         ....
        }

df = pd.DataFrame (data, columns = ['First Column Name','Second Column Name',...])

print (df)
Posted by: Guest on July-12-2020
1

pd dataframe

df = pd.DataFrame ({"x": x_array, "y": y_array})
Posted by: Guest on March-11-2021
1

data frame

>>> data = np.array([(1, 2, 3), (4, 5, 6), (7, 8, 9)],
...                 dtype=[("a", "i4"), ("b", "i4"), ("c", "i4")])
>>> df3 = pd.DataFrame(data, columns=['c', 'a'])
...
>>> df3
   c  a
0  3  1
1  6  4
2  9  7
Posted by: Guest on August-08-2021

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