Python empty dataframe

Pandas create empty dataframe

# Basic syntax:
import pandas as pd
empty_dataframe = pd.DataFrame()

# Create empty dataframe with column names
empty_dataframe = pd.DataFrame(columns=['your', 'column', 'names'])

# Create empty dataframe with row names
empty_dataframe = pd.DataFrame(index=['your', 'row', 'names'])

Empty dataframe

newDF = pd.DataFrame() #creates a new dataframe that's empty
newDF = newDF.append(oldDF, ignore_index = True) # ignoring index is optional
# try printing some data from newDF
print newDF.head() #again optional

Source: stackoverflow.com

Check empty dataframe

df.empty == True

Create empty pandas dataframe

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

Initialize pandas dataframe with column names

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

Source: kite.com

Python empty dataframe

# Create Empty DataFrame with column names
df = pd.DataFrame(columns=['species','name','age'])
df.loc[1] = ['dog','Fido','3']  # Populate Row at index 1 (row 1)
df.loc[2] = ['cat','Felix','2'] # Populate Row at index 2 (row 2)
print(df) 
# Output:
#   species   name age
# 1     dog   Fido   3
# 2     cat  Felix   2

Similar codes

19 votes132 views6 answers
Install Django in Windows
Python
4 votes126 views1 answer
How to input multiple integers in python
Python
3 votes138 views1 answer
Python plot frequency of column values
Python
133 votes139 views6 answers
Python read json
Python
0 vote135 views1 answer
Python pass string with spaces as argument
Python
1 vote138 views2 answers
Python dictonary set default
Python
8 votes140 views1 answer
Tkinter clear entry
Python
20 votes129 views4 answers
Add input to list python
Python
0 vote138 views1 answer
Discord py message link
Python
3 votes134 views2 answers
How to keep a webdriver tab open
Python