/Python/How to create dataframe in python

How to create dataframe in python

Dataframe create

>>> df2 = pd.DataFrame(np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]]),
...                    columns=['a', 'b', 'c'])
>>> df2
   a  b  c
0  1  2  3
1  4  5  6
2  7  8  9

Source: pandas.pydata.org

Create dataframe with column names pandas

In [4]: import pandas as pd
In [5]: df = pd.DataFrame(columns=['A','B','C','D','E','F','G'])
In [6]: df
Out[6]:
Empty DataFrame
Columns: [A, B, C, D, E, F, G]
Index: []

Source: stackoverflow.com

How to create dataframe in python

import pandas as pd
  
# intialise data of lists.
data = {'Name':['Tom', 'nick', 'krish', 'jack'],
        'Age':[20, 21, 19, 18]}
  
# Create DataFrame
df = pd.DataFrame(data)
  
# Print the output.
df

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})

How to create DataFrames

import pandas as pd
data = {
	"A":[1,2,3],
    "B":[4,5,6],
    "C":[7,8,9]
}
index = [1,2,3,4,5,6,7,8,9]

pd.DataFrame(data=data, index=index)

Pandas make new dataframe

df = pd.DataFrame({'column1':[1,2,3],'column2':[4,5,6])

Similar codes

0 vote209 views1 answer
ComplexWarning: Casting complex values to real discards the imaginary part
Python
4 votes194 views1 answer
Django pandas queryset
Python Django
1 vote156 views1 answer
Python datetime to utc
Python
2 votes175 views2 answers
Python fibonacci sequence code
Python
0 vote158 views1 answer
2 plater die game in python
Python
0 vote240 views1 answer
How to compress image field in django?
Python
0 vote186 views1 answer
Python requests insecure request warning
Python
0 vote172 views3 answers
When iterating through a pandas dataframe using index, is the index +1 able to be compared
Python
-1 vote171 views2 answers
Sequence in python
Python
1 vote162 views2 answers
How to add up a list in python
Python