/Python/Append dataframe to another dataframe

Append dataframe to another dataframe

Append one row to pandas dataframe

df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)

Appending dataframes pandas

>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'))
>>> df
   A  B
0  1  2
1  3  4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'))
>>> df.append(df2)
   A  B
0  1  2
1  3  4
0  5  6
1  7  8

Source: pandas.pydata.org

Append dataframe to another dataframe

>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'), index=['x', 'y'])
>>> df
   A  B
x  1  2
y  3  4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'), index=['x', 'y'])
>>> df.append(df2, ignore_index=True)
   A  B
x  1  2
y  3  4
x  5  6
y  7  8

Source: pandas.pydata.org

How to append a dataframe to another dataframe in pandas

# all_res is list of DataFrames : [ dataframe, dataframe, ... ]
df_res = pd.concat(all_res)

Source: stackoverflow.com

Similar codes

0 vote458 views1 answer
Python REPL loop
Python
1 vote224 views1 answer
Usong brave browser pyhton
Python
1 vote196 views1 answer
Find absolut vale in python
Python
0 vote263 views1 answer
Pytorch multiply tensors element by elementwise
Python
0 vote209 views1 answer
Import CreateAPIView django
Python
5 votes201 views3 answers
How to print a message in python
Python
0 vote203 views2 answers
Pycryptodome rsa encrypt
Python
0 vote219 views1 answer
Password guessing game python
Python
0 vote208 views1 answer
Request.build_absolute_uri django
Python
125 votes239 views6 answers
Input python 3
Python