Answers for "define new dataframe python"

7

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: []
Posted by: Guest on May-15-2020
24

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
Posted by: Guest on May-14-2020
0

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)
Posted by: Guest on June-11-2021

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