pd.dataframe initia code example

Example 1: create empty pandas dataframe

df = pd.DataFrame(columns=['a', 'b', 'c'])

Example 2: 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})